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Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US557364028. Juli 199512. Nov. 1996Eastman Chemical CompanyPaper made with cellulose fibers having an inner core of cellulose acetate
US566277319. Jan. 19952. Sept. 1997Eastman Chemical CompanyProcess for preparation of cellulose acetate filters for use in paper making
US601987220. Jan. 19991. Febr. 2000Westvaco CorporationAuthenticatable bleached chemical paper products
US605402120. Jan. 199925. Apr. 2000Westvaco CorporationProcess of manufacturing authenticatable paper products
US62147663. Febr. 199910. Apr. 2001Westvaco CorporationSecurity feature for paper products
US65522908. Febr. 199922. Apr. 2003Spectra Systems CorporationOptically-based methods and apparatus for performing sorting coding and authentication using a gain medium that provides a narrowband emission
US65927161. Sept. 200015. Juli 2003Korea Security Printing and Minting CorporationSecurity fibers and process for the preparation thereof
US683278325. Nov. 200221. Dez. 2004Spectra Science CorporationOptically-based methods and apparatus for performing sorting, coding and authentication using a gain medium that provides a narrowband emission
US708004120. Juli 200418. Juli 2006eSecureDocs, Inc.System and method for production and authentication of original documents
US708942024. Mai 20008. Aug. 2006Tracer Detection Technology Corp.Authentication method and system
US715204724. Mai 200019. Dez. 2006eSecure.biz, Inc.System and method for production and authentication of original documents
US716203524. Mai 20009. Jan. 2007Tracer Detection Technology Corp.Authentication method and system
US815825328. Aug. 200317. Apr. 2012D W Spinks (Embossing) Ltd.Rainbow fibres
US81715674. Sept. 20031. Mai 2012Tracer Detection Technology Corp.Authentication method and system