WO2002023183A3 - Irreversible humidity indicator cards - Google Patents

Irreversible humidity indicator cards Download PDF

Info

Publication number
WO2002023183A3
WO2002023183A3 PCT/US2001/028002 US0128002W WO0223183A3 WO 2002023183 A3 WO2002023183 A3 WO 2002023183A3 US 0128002 W US0128002 W US 0128002W WO 0223183 A3 WO0223183 A3 WO 0223183A3
Authority
WO
WIPO (PCT)
Prior art keywords
carrier member
humidity indicator
holes
irreversible humidity
indicator cards
Prior art date
Application number
PCT/US2001/028002
Other languages
French (fr)
Other versions
WO2002023183A2 (en
Inventor
Stefan Dick
Andrew J Robertson
Michelle B Martin
Original Assignee
Sued Chemie Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sued Chemie Inc filed Critical Sued Chemie Inc
Priority to EP01972954A priority Critical patent/EP1305621A2/en
Publication of WO2002023183A2 publication Critical patent/WO2002023183A2/en
Publication of WO2002023183A3 publication Critical patent/WO2002023183A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content

Abstract

An irreversible humidity indicator card comprising an intermediate carrier member containing one or more holes, a clear, water vapor permeable first outer layer secured to the first side of the carrier member, a deliquescent material contained within the holes in the carrier member, a dark colored, absorbent sheet material secured to the back side of the carrier member to cover the holes in the carrier member and a second outer layer which covers the colored absorbent sheet material and a portion or all of the back side of the intermediate carrier member.
PCT/US2001/028002 2000-09-12 2001-09-07 Irreversible humidity indicator cards WO2002023183A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01972954A EP1305621A2 (en) 2000-09-12 2001-09-07 Irreversible humidity indicator cards

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/660,560 US6698378B1 (en) 2000-09-12 2000-09-12 Irreversible humidity indicator cards
US09/660,560 2000-09-12

Publications (2)

Publication Number Publication Date
WO2002023183A2 WO2002023183A2 (en) 2002-03-21
WO2002023183A3 true WO2002023183A3 (en) 2002-06-27

Family

ID=24650017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/028002 WO2002023183A2 (en) 2000-09-12 2001-09-07 Irreversible humidity indicator cards

Country Status (3)

Country Link
US (2) US6698378B1 (en)
EP (1) EP1305621A2 (en)
WO (1) WO2002023183A2 (en)

Families Citing this family (29)

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Publication number Priority date Publication date Assignee Title
US6698378B1 (en) 2000-09-12 2004-03-02 Sud-Chemie Inc. Irreversible humidity indicator cards
US6972142B2 (en) * 2003-03-19 2005-12-06 Trope Robert L Card having multiple layers indicating relative humidity
JP3921596B2 (en) * 2003-12-02 2007-05-30 洋一 山川 Humidity indicator
US7455029B2 (en) * 2004-01-13 2008-11-25 Basement Systems, Inc. Condensation-collecting element and method
JP2006158712A (en) * 2004-12-08 2006-06-22 Seiko Instruments Inc Instrument for measuring heartbeat
US20090301191A1 (en) * 2004-12-22 2009-12-10 Sud-Chemie Ag Device for detecting at least one chemical constituent
US20070157702A1 (en) * 2006-01-10 2007-07-12 Masatami Hamada Humidity indicator labels
DE102006020619B4 (en) * 2006-05-02 2012-11-15 Fritz Egger Gmbh & Co. Panel packaging with indicator
JP4848849B2 (en) * 2006-06-13 2011-12-28 富士ゼロックス株式会社 Sensor
US7553450B2 (en) * 2007-01-08 2009-06-30 Appealing Products, Inc. Irreversible humidity exposure dose indicator device
US20090035865A1 (en) * 2007-08-01 2009-02-05 Demoor Colette Pamela Moisture sensor
US20100162940A1 (en) * 2008-12-30 2010-07-01 Hill Stephen A Blue Dot Moisture Detector
DE102009052037B4 (en) * 2009-11-05 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Deliquescence moisture indicator and its use
ATE548648T1 (en) * 2009-12-24 2012-03-15 Sued Chemie Ag HALOGEN-FREE AND HEAVY METAL-FREE COMPOSITION FOR A MOISTURE INDICATOR CARD AND A MOISTURE INDICATOR CARD CONTAINING SAME
EP2463650B1 (en) 2010-12-10 2015-04-15 Clariant Produkte (Deutschland) GmbH Indicator material and indicator device comprising said indicator material and method of manufacture
TWI491876B (en) 2010-12-31 2015-07-11 Ind Tech Res Inst Humidity indicator and method for fabricating the same
WO2012154314A1 (en) 2011-03-31 2012-11-15 3M Innovative Properties Company Method and device for indicating moisture based on bis (glyoxime) -transition metal complexes
US8585983B2 (en) 2011-06-22 2013-11-19 Sud-Chemie Ip Gmbh & Co. Kg Halogen and heavy metal-free composition for a humidity indicating device and humidity indicating device containing the same
US8707762B2 (en) 2011-11-04 2014-04-29 John Gardner Pfanstiehl Low cost humidity and mold indicator for buildings
CN104781703A (en) * 2012-11-14 2015-07-15 3M创新有限公司 Adjustable colorimetric moisture indicators
WO2014078512A1 (en) 2012-11-14 2014-05-22 3M Innovative Properties Company Adjustable colorimetric moisture indicators
US9888283B2 (en) 2013-03-13 2018-02-06 Nagrastar Llc Systems and methods for performing transport I/O
USD758372S1 (en) * 2013-03-13 2016-06-07 Nagrastar Llc Smart card interface
US9322764B2 (en) 2013-06-10 2016-04-26 Xerox Corporation Adsorption material-based humidity sensor
US9529335B2 (en) * 2014-08-29 2016-12-27 Palo Alto Research Center Incorporated Timer based on chemical sensing
WO2016113596A1 (en) * 2015-01-14 2016-07-21 Alzumaya Ayoub Indicator for the quality of a product
USD864968S1 (en) 2015-04-30 2019-10-29 Echostar Technologies L.L.C. Smart card interface
DE102017108415A1 (en) * 2017-04-20 2018-10-25 Schreiner Group Gmbh & Co. Kg Humidity Indicator
WO2021206239A1 (en) * 2020-04-09 2021-10-14 지솔코퍼레이션 주식회사 Humidity indicator card having electrostatic protection function and manufacturing method therefor

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GB2059077A (en) * 1979-09-26 1981-04-15 Martin C Plant watering indicator device
EP0215600A2 (en) * 1985-09-09 1987-03-25 Crowther Display Limited Improvements in or relating to watering indicators for plants

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US6536370B2 (en) * 1998-11-25 2003-03-25 Advanced Micro Devices, Inc. Elapsed time indicator for controlled environments and method of use
US6698378B1 (en) 2000-09-12 2004-03-02 Sud-Chemie Inc. Irreversible humidity indicator cards
TWI238068B (en) * 2001-03-06 2005-08-21 Kao Corp Composition for external application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824844A (en) * 1973-05-11 1974-07-23 Water Rite Inc Soil moisture monitor
US4098120A (en) * 1975-06-06 1978-07-04 Minnesota Mining And Manufacturing Company Humidity indicating method and device
GB2059077A (en) * 1979-09-26 1981-04-15 Martin C Plant watering indicator device
EP0215600A2 (en) * 1985-09-09 1987-03-25 Crowther Display Limited Improvements in or relating to watering indicators for plants

Also Published As

Publication number Publication date
US6877457B1 (en) 2005-04-12
US6698378B1 (en) 2004-03-02
EP1305621A2 (en) 2003-05-02
WO2002023183A2 (en) 2002-03-21

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