Bayer Faser GmbH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0038,138 Chlorine-resistant elastan fibersAbandonedJan 20, 04Feb 17, 05[C08K]
6844039 Elastane fiber spools provided with a variable application of a preparationExpiredNov 20, 01Jan 18, 05[D02J, B32B]
6844060 Elastane yarn having a linear density of at least 2500 dtex and a cross-sectional width to height ratio of at least 4:1ExpiredApr 29, 03Jan 18, 05[D01G]
6830715 Method and device for producing elastane threads from recycling materialExpiredAug 20, 01Dec 14, 04[D01D, D01F]
6774064 Elastane packageExpiredJan 11, 02Aug 10, 04[B32B]
2004/0150,134 Process for the production of polyurethane urea fibers by including a combination of polydimethylsiloxane, alkoxylated polydimethylsiloxane and a fatty acid salt in the spinning solutionAbandonedDec 11, 03Aug 05, 04[D01F]
6699414 Method of producing elastane fiber by wet spinningExpiredJul 31, 02Mar 02, 04[B29D]
6675442 Method for the storing of elastan filaments with coarse tiresExpiredOct 22, 01Jan 13, 04[D04H]
6663959 Polyurethane-urea fibres with improved resistanceExpiredApr 24, 02Dec 16, 03[D01F]
6602453 Process of making elastane yarnExpiredDec 29, 00Aug 05, 03[D01D, D01F]
6562456 Splittable elastane yarnsExpiredOct 29, 97May 13, 03[D01F]
6492021 Elastane fiberExpiredDec 29, 00Dec 10, 02[D01F]
2002/0175,123 Process and an apparatus for the separation of oil from chopped elastane fibers which contain preparationsAbandonedJan 23, 02Nov 28, 02[C02F]
6391953 Coating compound for fibresExpiredFeb 05, 99May 21, 02[C08J, C08L, C08K]
6139764 Biodegradable coating compositionsExpiredFeb 05, 99Oct 31, 00[D06M]
6036895 Process and device for the formation of monofilaments produced by melt-spinningExpiredJun 25, 98Mar 14, 00[D01D]
5961908 Apparatus and a process for the production of elastane filamentsExpiredMar 18, 98Oct 05, 99[D01D, D01F]
5869180 Melt-spun abrasion-resistant monofilamentsExpiredDec 27, 96Feb 09, 99[D32B, B26D, D02G]
5813068 Apparatus and a process for washing continuously wet-spun elastaneExpiredDec 15, 95Sep 29, 98[D06B]
5756205 Process for preparing multifilament, wet-spun elastane threadsExpiredMar 13, 97May 26, 98[D02G]

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