WO1992009256A1 - Water-based human tissue lubricant - Google Patents
Water-based human tissue lubricant Download PDFInfo
- Publication number
- WO1992009256A1 WO1992009256A1 PCT/US1991/009037 US9109037W WO9209256A1 WO 1992009256 A1 WO1992009256 A1 WO 1992009256A1 US 9109037 W US9109037 W US 9109037W WO 9209256 A1 WO9209256 A1 WO 9209256A1
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- composition
- lubricant
- molecular weight
- solution
- water
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0034—Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q9/00—Preparations for removing hair or for aiding hair removal
- A61Q9/02—Shaving preparations
Definitions
- This invention relates to a series of aqueous based lubricants particularly useful in the lubrication of human tissue. More particularly, this lubricant is uniquely capable of replicating the lubricous characteristics of the natural lubricant exuded in the human vagina. Another aspec of this lubricant is that it is also very effective in lubricating the facial tissues and hair on the human face an body so as to enhance shaving comfort. BACKGROUND OF THE INVENTION
- lubricating gels suppositories and fluids available for the purpose of lubricating human tissue. These generally function by supplying water in either a gelled or viscous form, by including a water soluble cellulose derivative (e.g. methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, sodium carboxymethyl cellulose) or other water soluble polymers such as sodium alginate, polyvinyl pyrrolidone, polyvinyl alcohol, and the like. These systems retain a supply of water which acts as the lubricant but are themselves not very effective lubricants .
- a water soluble cellulose derivative e.g. methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, sodium carboxymethyl cellulose
- other water soluble polymers such as sodium alginate, polyvinyl pyrrolidone, polyvinyl alcohol, and the like.
- th lubricant is supplied as a vaginal suppository which typically contains a polymer of ethylene oxide having a molecular weight of less than 5000, along with a low melting temperature triglyceride or a mineral oil. It is these oily materials which provide the lubricating characteristics and which cause the suppository to melt at body temperature.
- a mineral oil or a triglyceride may also be incorporated by emulsification with an aqueous solution of the cellulose derivative in a composition in which the oily component supplies the lubrication.
- a water based system founded on the use of such high molecular weight polyethylene oxides in combination with a variety of humectant polyols which exhibit a very high degree of lubricity and also act as a tissue conditioner, when applied from an aqueous solution.
- polyethylene oxides I find most applicable are those ranging in molecular weight from 100,000 to 5,000,000.
- polyols to be used in my lubricating system I have found that glycerol, diglycerol, propylene glycol, dipropylene glycol, sorbitol and a variety of commercially available polyols made by the hydrogenation of the higher sugars, or starches, are particularly beneficial.
- aqueous solutions of the higher polyethylene oxides along with one or more of the above mentioned humectant polyols act synergistically to plasticize the skin or mucous tissue and provide a high degree of lubricity or enhancing the act of coitus.
- My lubricant is very easy to apply and use. A few drops on the finger tips can be applied directly to the cervix and vaginal area. Also it can be applied by any of a wide variety of droppers or mechanical applicators, which themselves may be either single or multiple use items.
- my lubricant Because of the highly lubricating and tissue- conditioning characteristics of my lubricant, I have further found them to be unusually useful as shaving aids by lubricating the facial tissue, hair, and the razor blade and in this way doing a better job of cutting the beard.
- the lubricant is very effective even when applied directly to the dry skin of the face or body and can be used to facilitate shaving directly with a blade in the normal manner.
- An alternative method is to use my lubricant in conjunction with any of the usual shaving creams or foams, thereby enhancing the comfort of the shave.
- Still another alternative is to combine my lubricant with the standard soap solution or aerosol cream so that it can be delivered from a pressurized container. Such a system would be capable of delivering a more stable foam with a very high lubricating capability.
- my lubricants are also effective as a dermatological emollient and as a skin surface treatment, protecting the treated area from contact with air and from incidental surface irritation.
- the lubricant also has a number of other applications including use as a contact fluid for ultrasonic treatment of body tissue (the lubricating characteristics makes for smoother contact and movement over the body surface) , as a lubricant for rectal and vaginal insertion of medical instruments, and it is useful in the removal of cosmetics.
- methyl and propyl esters of parahydroxy benzoic acid are very effective for this purpose. These esters are known as methyl and propyl parabens, respectively.
- other inhibitors or stabilizers may also be used, as for example, the alkyl quaternary ammonium halides or other inhibitors acceptable for cosmetic or pharmaceutical or food use.
- the requisite quantity of polyethylene oxide is stirred in. The amount of polyethylene oxide to be used can vary over a wide range and this depends upon the molecular weight of the polymer selected and the desired viscosity of the final lubricating solution.
- the ultimate concentration may be as high as 10 percent for a polymer with a molecular weight of 100,000 and it may be as low as 0.05 percent for a polymer in the molecular weight range of 4 to 5 million.
- ethylene oxides with molecular weights ranging from about 900,000 to 4,000,000 in concentrations from about 2.5 percent downward to about 0.5 percent.
- humectant polyols In my formulations it is important to have a relatively high proportion of humectant polyols. These may range in concentrations from about 3 to 12 percent of the total system. From a practical standpoint I have found that the polyol concentration may conveniently be of the order of 5 to 9 percent of the total system.
- anti-tack or anti-sticking agents I have found that a wide variety of compounds can be used. Generally those compounds having a high degree of water solubility or water dispersibility are preferred. Such anti-sticking agents are not necessary for the proper functioning of my invention, but may be added to suit personal preferences or aesthetics. As anti-tack or anti-sticking agents I have found that the polyethoxylated sorbitan monoalkanoates are very effective. These are compounds such as the lauryl, myristyl, palmityl, oleyl and stearyl esters of polyethoxylated sorbitans, where the ethoxyl groups may range from about 15 to 30 in chain length.
- ethoxylated glycerol monoalkanoates may also be used as well as the glyceryl monoalkanoates .
- the amounts to be added are limited only as to their degree of water solubility. However, as I have previously stated, it is not at all necessary to add anti-tack agents when some of the higher polyols of the humectant category are used in the formulation. Thus, I have found that stickiness is inhibited when sorbitol or any of the higher hydrogenated sugars are used in the formulation.
- an alternative embodiment includes the addition of a spermicide for the inhibiting of pregnancy.
- the water based lubricant can be combined with spermicidal creams, solutions and foams to provide excellent vaginal wetting characteristics, spermicidal dispersion, and relatively easy clean-up.
- the water based nature of this lubricant ideally suits it for use with latex condoms .
- Example 1 For the purpose of illustrating the preparation of my new tissue lubricants, the following examples are presented but they are in no way to be considered limiting.
- Example 1 For the purpose of illustrating the preparation of my new tissue lubricants, the following examples are presented but they are in no way to be considered limiting.
- This dispersion was slowly poured in a thin stream into 900 ml water, stirred with one blade of a Mixmaster in a mixing bowl. Within 1/2 hour of intermittent stirring, the solution was complete. This solution was then divided in several portions as follows : a. To 100 ml of the above solution was added 0.5 ml of sorbitan monolaurate. This gave an excellent lubricant with very little tackiness on drying. b. To 100 ml of the above solution was added 0.5 ml of sorbitan mono-oleate. This gave an excellent lubricant solution with reduced tackiness on drying. c.
- Example 6 About 0.65 g methyl paraben and 0.35 g propyl paraben were dissolved in 30 g heated glycerol and to this was added 15 g of a 70% solution of a hydrogenated higher sugar (e.g., Lonza, Inc.-Polyol 7000) . To this cooled solution was added 4.0 g of 4,000,000 molecular weight polyethylene oxide. This dispersion was then poured, in a thin stream, into 450 ml of well stirred water to yield a clear solution, having excellent mucosal tissue lubricating properties, with little or no tackiness on drying.
- a hydrogenated higher sugar e.g., Lonza, Inc.-Polyol 7000
- the lubricant solution of Example 2, above, having a polyethylene oxide concentration of about 1% was diluted with varying proportions of water and each concentration was tested for lubricity. It was found that solutions having polyethylene oxide concentrations (molecular weight 4,000,000) as low as 0.025% still had fair lubricating characteristics.
- lubricant solutions were prepared which had enhanced lubricating characteristics for body tissues. They are particularly useful in overcoming vaginal dryness and provide tissue conditioning as well. They are further useful as a shaving aid either by themselves or in conjunction with soap as in a shaving cream, foam or gel.
Abstract
Composition of an improved water based human tissue lubricant is disclosed. The lubricant includes an aqueous solution of high molecular weight polyethyl oxide, a humectant polyol, a sterilizing agent and may include an anti-sticking agent to prevent tackiness on drying. The formulation is ideally suited for use as a vaginal lubricant, as a shaving lubricant and dermatological emollient and as a contact medium for an ultrasonic transducer.
Description
WATER-BASED HUMAN TISSUE LUBRICANT
FIELD OF THE INVENTION
This invention relates to a series of aqueous based lubricants particularly useful in the lubrication of human tissue. More particularly, this lubricant is uniquely capable of replicating the lubricous characteristics of the natural lubricant exuded in the human vagina. Another aspec of this lubricant is that it is also very effective in lubricating the facial tissues and hair on the human face an body so as to enhance shaving comfort. BACKGROUND OF THE INVENTION
Currently there are a number of lubricating gels suppositories and fluids available for the purpose of lubricating human tissue. These generally function by supplying water in either a gelled or viscous form, by including a water soluble cellulose derivative (e.g. methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, sodium carboxymethyl cellulose) or other water soluble polymers such as sodium alginate, polyvinyl pyrrolidone, polyvinyl alcohol, and the like. These systems retain a supply of water which acts as the lubricant but are themselves not very effective lubricants . In other cases th lubricant is supplied as a vaginal suppository which typically contains a polymer of ethylene oxide having a molecular weight of less than 5000, along with a low melting temperature triglyceride or a mineral oil. It is these oily materials which provide the lubricating characteristics and which cause the suppository to melt at body temperature. In the prior aqueous systems, a mineral oil or a triglyceride may also be incorporated by emulsification with an aqueous solution of the cellulose derivative in a composition in which the oily component supplies the lubrication. On the other hand it has been well demonstrated that aqueous solutions of high molecular weight polyethylene oxides provide a slippery feel (see, for example, U.S. Patents 3,227,652 and 3,699,057) .
SUMMARY OF THE INVENTION
In accordance with the present invention, I have discovered a water based system founded on the use of such high molecular weight polyethylene oxides in combination with a variety of humectant polyols which exhibit a very high degree of lubricity and also act as a tissue conditioner, when applied from an aqueous solution. Specifically the polyethylene oxides I find most applicable are those ranging in molecular weight from 100,000 to 5,000,000. As polyols to be used in my lubricating system, I have found that glycerol, diglycerol, propylene glycol, dipropylene glycol, sorbitol and a variety of commercially available polyols made by the hydrogenation of the higher sugars, or starches, are particularly beneficial. The aqueous solutions of the higher polyethylene oxides along with one or more of the above mentioned humectant polyols act synergistically to plasticize the skin or mucous tissue and provide a high degree of lubricity or enhancing the act of coitus.
It is well recognized that the human female may often suffer extreme discomfort because of dryness in the vaginal area. The causes of this dryness may be due to a variety of conditions that may occur following childbirth, following menstruation, at or after menopause, after a hysterectomy, or this may occur due to other hormonal disturbances. All of these discomforts can be alleviated by the application of my tissue lubricant.
My lubricant is very easy to apply and use. A few drops on the finger tips can be applied directly to the cervix and vaginal area. Also it can be applied by any of a wide variety of droppers or mechanical applicators, which themselves may be either single or multiple use items.
Because of the highly lubricating and tissue- conditioning characteristics of my lubricant, I have further found them to be unusually useful as shaving aids by lubricating the facial tissue, hair, and the razor blade and in this way doing a better job of cutting the beard. The lubricant is very effective even when applied directly to the dry skin of the face or body and can be used to facilitate shaving directly with a blade in the normal manner. However,
I have found that it may be preferable to first wash with soap and water and then apply the lubricant to the pre-wetted surface. An alternative method is to use my lubricant in conjunction with any of the usual shaving creams or foams, thereby enhancing the comfort of the shave. Still another alternative is to combine my lubricant with the standard soap solution or aerosol cream so that it can be delivered from a pressurized container. Such a system would be capable of delivering a more stable foam with a very high lubricating capability.
I have found that my lubricants are also effective as a dermatological emollient and as a skin surface treatment, protecting the treated area from contact with air and from incidental surface irritation. The lubricant also has a number of other applications including use as a contact fluid for ultrasonic treatment of body tissue (the lubricating characteristics makes for smoother contact and movement over the body surface) , as a lubricant for rectal and vaginal insertion of medical instruments, and it is useful in the removal of cosmetics.
DESCRIPTION OF THE PREFERRED EMBODIMENT
It is well known in the art that high molecular weight polyethylene oxides (molecular weights of 100,000 to 5,000,000) can readily be dissolved in aqueous systems by first dispersing the polymer in a non-solvent water soluble organic solvent and then slowly pouring this dispersion into well-stirred water. Warming the system above ambient temperature may be necessary to dissolve the parabens. According to my invention, I first disperse the polyethylene oxide into one or more polyhydroxy humectants that I have selected as being beneficial to the conditioning of body tissue. In the practice of my invention I have found it convenient to first dissolve any stabilizers or sterilizing inhibitors against bacterial, mold or fungal growth in the humectant solvent. In particular I have found that the methyl and propyl esters of parahydroxy benzoic acid are very effective for this purpose. These esters are known as methyl and propyl parabens, respectively. However other inhibitors or stabilizers may also be used, as for example, the alkyl
quaternary ammonium halides or other inhibitors acceptable for cosmetic or pharmaceutical or food use. After the methyl and propyl parabens have been dissolved, along with any other organic compounds, such as anti-tack or anti-sticking agents, the requisite quantity of polyethylene oxide is stirred in. The amount of polyethylene oxide to be used can vary over a wide range and this depends upon the molecular weight of the polymer selected and the desired viscosity of the final lubricating solution. I have found that the ultimate concentration may be as high as 10 percent for a polymer with a molecular weight of 100,000 and it may be as low as 0.05 percent for a polymer in the molecular weight range of 4 to 5 million. For purposes of convenience and economy, I prefer to use ethylene oxides with molecular weights ranging from about 900,000 to 4,000,000 in concentrations from about 2.5 percent downward to about 0.5 percent.
In my formulations it is important to have a relatively high proportion of humectant polyols. These may range in concentrations from about 3 to 12 percent of the total system. From a practical standpoint I have found that the polyol concentration may conveniently be of the order of 5 to 9 percent of the total system.
As anti-tack or anti-sticking agents I have found that a wide variety of compounds can be used. Generally those compounds having a high degree of water solubility or water dispersibility are preferred. Such anti-sticking agents are not necessary for the proper functioning of my invention, but may be added to suit personal preferences or aesthetics. As anti-tack or anti-sticking agents I have found that the polyethoxylated sorbitan monoalkanoates are very effective. These are compounds such as the lauryl, myristyl, palmityl, oleyl and stearyl esters of polyethoxylated sorbitans, where the ethoxyl groups may range from about 15 to 30 in chain length. Similarly the ethoxylated glycerol monoalkanoates may also be used as well as the glyceryl monoalkanoates . The amounts to be added are limited only as to their degree of water solubility. However, as I have previously stated, it is not at all necessary to add anti-tack agents when some of the higher
polyols of the humectant category are used in the formulation. Thus, I have found that stickiness is inhibited when sorbitol or any of the higher hydrogenated sugars are used in the formulation. When the solution described above is used as a vaginal lubricant to aid in coitus, an alternative embodiment includes the addition of a spermicide for the inhibiting of pregnancy. The water based lubricant can be combined with spermicidal creams, solutions and foams to provide excellent vaginal wetting characteristics, spermicidal dispersion, and relatively easy clean-up. The water based nature of this lubricant ideally suits it for use with latex condoms .
For the purpose of illustrating the preparation of my new tissue lubricants, the following examples are presented but they are in no way to be considered limiting. Example 1
About 1.3 g of methyl paraben and 0.7 g of propyl paraben were dissolved in 85 g of glycerol. Then 20 g of 900,000 molecular weight polyethylene oxide was dispersed in the cooled glycerol solution. This in turn was carefully added to 900 ml water stirred in a Mixmaster bowl. After 1/2 hour of intermittent stirring, solution was complete and it was bottled for storage Example 2 About 1.3 g of methyl paraben and 0.7 g of propyl paraben were dissolved with warming in 90 g glycerol. Then 10 g of about 4,000,000 molecular weight polyethylene oxide was dispersed in the cooled glycerol solution. This dispersion was slowly poured in a thin stream into 900 ml water, stirred with one blade of a Mixmaster in a mixing bowl. Within 1/2 hour of intermittent stirring, the solution was complete. This solution was then divided in several portions as follows : a. To 100 ml of the above solution was added 0.5 ml of sorbitan monolaurate. This gave an excellent lubricant with very little tackiness on drying. b. To 100 ml of the above solution was added 0.5 ml of sorbitan mono-oleate. This gave an excellent lubricant solution with reduced tackiness on drying.
c. To 100 ml of the above solution was added 0.4 ml of polyethoxylated sorbitan monolaurate and 0.4 ml of polyethoxylated sorbitan mono-oleate. This yielded an excellent lubricant solution with little or no tackiness on drying. d. To 100 ml of the above solution was added 1.0 ml of polyethoxylated sorbitan mono-oleate. This yielded an excellent lubricant solution with little or no tackiness on drying. Example 3
In this case a higher viscosity lubricant was prepared. About 1.3 g methyl paraben and 0.7 g propyl paraben were dissolved with warming in 90 g of glycerol. Then to the cooled solution was added 12 g of 4,000,000 molecular weight polyethylene oxide and the mixture was thoroughly stirred for dispersion. This dispersion was then slowly poured, in a thin stream, into 900 ml water and stirred with one blade of a Mixmaster in a bowl. Within 1/2 hour of intermittent mixing the solution was complete. To the clear solution was added 12 g polyethoxylated sorbitan monostearate to yield an excellent lubricant solution with little or no tack. Example 4
Here a lower concentration of polyethylene oxide was used and still yielded a very desirable viscosity lubricating solution. About 0.65 g methyl paraben, 0.35 g propyl paraben and 3.0 ml of polyethoxylated sorbitan monostearate were dissolved with warming in 45 g glycerol. To this cooled solution was added 4 g polyethylene oxide (4,000,000 molecular weight) . This dispersion was then poured in a thin stream into 450 ml water, which was well stirred. After 1/2 hour of intermittent stirring a clear lubricant solution was obtained, with little or no tackiness on drying. Example 5
About 0.65 g methyl paraben and 0.35 g propyl paraben were dissolved in 30 g heated glycerol and to this was added 15 g of a 70% solution of a hydrogenated higher sugar (e.g., Lonza, Inc.-Polyol 7000) . To this cooled
solution was added 4.0 g of 4,000,000 molecular weight polyethylene oxide. This dispersion was then poured, in a thin stream, into 450 ml of well stirred water to yield a clear solution, having excellent mucosal tissue lubricating properties, with little or no tackiness on drying. Example 6
About 0.65 g of methyl paraben and 0.35 g of propyl paraben were dissolved with heating in 30 g glycerol and then to this was added 15 g 70% sorbitol solution. To this cooled mixture was added 3.5 g of 4,000,000 molecular weight polyethylene oxide and the mixture was well stirred. This dispersion was then poured in a thin stream into 450 ml well stirred water. Solution was straightforward and yielded an excellent lubricant solution with little or no tackiness on drying. Example 7
The lubricant solution of Example 2, above, having a polyethylene oxide concentration of about 1% was diluted with varying proportions of water and each concentration was tested for lubricity. It was found that solutions having polyethylene oxide concentrations (molecular weight 4,000,000) as low as 0.025% still had fair lubricating characteristics.
In the examples I have cited above, lubricant solutions were prepared which had enhanced lubricating characteristics for body tissues. They are particularly useful in overcoming vaginal dryness and provide tissue conditioning as well. They are further useful as a shaving aid either by themselves or in conjunction with soap as in a shaving cream, foam or gel.
Claims
1. A composition for lubricating human body tissue comprising: an aqueous solution of a high molecular weight polyethylene oxide; a humectant solvent; and a sterilizing inhibitor.
2. The composition as in Claim 1, wherein the polyethylene oxide ranges in molecular weight from 100,000 to 5,000,000.
3. The composition as in Claim 1, wherein the humectant solvent comprises at least one polyol selected from the group consisting of glycerol, propylene glycol, sorbitol, and hydrogenated derivatives of higher sugars.
4. The composition as in Claim 1, wherein the concentration of high molecular weight polyethylene oxide ranges from 0.025% to 10.0%
5. The composition as in Claim 1, wherein the concentration of humectant solvent ranges from 3 to 12%.
6. The composition as in Claim 1, wherein the sterilizing inhibitor contains an antibacterial agent.
7. The composition as in Claim 1, wherein the sterilizing inhibitor agent contains an antifungal agent.
8. The composition as in Claim 1, wherein the sterilizing inhibitor comprises at least one compound selected from the group consisting of alkyl quaternary ammonium halides and alkyl parabens.
9. The composition as in Claim 1 further comprising a spermicide for aiding in the prevention of pregnancy.
10. The composition as in Claim 1 further comprising an anti-sticking agent.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62130590A | 1990-12-03 | 1990-12-03 | |
US621,305 | 1990-12-03 |
Publications (1)
Publication Number | Publication Date |
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WO1992009256A1 true WO1992009256A1 (en) | 1992-06-11 |
Family
ID=24489623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/US1991/009037 WO1992009256A1 (en) | 1990-12-03 | 1991-12-03 | Water-based human tissue lubricant |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993018745A1 (en) * | 1992-03-23 | 1993-09-30 | Geda International S.A. | Use of antiviral coating for latex items such as condoms |
WO2003018067A1 (en) * | 2001-08-23 | 2003-03-06 | Gerold Mitterecker | Contact agent for ultrasound diagnosis |
WO2006092585A2 (en) * | 2005-03-04 | 2006-09-08 | Delsol Products Limited | Personal lubricant containing polyethylene oxide |
GB2451452A (en) * | 2007-07-30 | 2009-02-04 | Donald Henry Yates | A lubricant formulation |
US8703171B2 (en) | 2004-11-11 | 2014-04-22 | Hcb Happy Child Birth Holding Ag | Method for easing human childbirth using a lubricant composition |
WO2015177288A1 (en) * | 2014-05-22 | 2015-11-26 | University Of Copenhagen | Aqueous gel composition and its use |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381293A (en) * | 1982-01-11 | 1983-04-26 | Michel George H | Shaving composition |
US4478853A (en) * | 1982-05-17 | 1984-10-23 | S. C. Johnson & Son, Inc. | Skin conditioning composition |
US4551148A (en) * | 1982-09-07 | 1985-11-05 | Kv Pharmaceutical Company | Vaginal delivery systems and their methods of preparation and use |
-
1991
- 1991-12-03 WO PCT/US1991/009037 patent/WO1992009256A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381293A (en) * | 1982-01-11 | 1983-04-26 | Michel George H | Shaving composition |
US4478853A (en) * | 1982-05-17 | 1984-10-23 | S. C. Johnson & Son, Inc. | Skin conditioning composition |
US4551148A (en) * | 1982-09-07 | 1985-11-05 | Kv Pharmaceutical Company | Vaginal delivery systems and their methods of preparation and use |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993018745A1 (en) * | 1992-03-23 | 1993-09-30 | Geda International S.A. | Use of antiviral coating for latex items such as condoms |
WO2003018067A1 (en) * | 2001-08-23 | 2003-03-06 | Gerold Mitterecker | Contact agent for ultrasound diagnosis |
US8703171B2 (en) | 2004-11-11 | 2014-04-22 | Hcb Happy Child Birth Holding Ag | Method for easing human childbirth using a lubricant composition |
WO2006092585A2 (en) * | 2005-03-04 | 2006-09-08 | Delsol Products Limited | Personal lubricant containing polyethylene oxide |
WO2006092585A3 (en) * | 2005-03-04 | 2006-12-14 | Delsol Products Ltd | Personal lubricant containing polyethylene oxide |
JP2008537965A (en) * | 2005-03-04 | 2008-10-02 | デルソル プロダクツ リミテッド | Personal lubricant |
GB2451452A (en) * | 2007-07-30 | 2009-02-04 | Donald Henry Yates | A lubricant formulation |
WO2015177288A1 (en) * | 2014-05-22 | 2015-11-26 | University Of Copenhagen | Aqueous gel composition and its use |
AU2015261841B2 (en) * | 2014-05-22 | 2020-07-16 | University Of Copenhagen | Aqueous gel composition and its use |
US11793752B2 (en) | 2014-05-22 | 2023-10-24 | University Of Copenhagen | Aqueous gel composition and its use |
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