DUPONT-TORAY COMPANY LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM6151
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5115
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 530
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS423
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES277
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS227
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
D04B KNITTING125
 
  
 
D06M TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS 125

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0279,902 GRAPHITE LAMINATED BODYOct 27, 14Sep 29, 16[B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8789394 Resin-coated gloveDec 19, 11Jul 29, 14[D04B]
7694779 Sound absorbing materialAug 24, 04Apr 13, 10[E04B]
7452610 Multi-layer polyimide films and flexible circuit substrates therefromJun 29, 05Nov 18, 08[B32B]
7273661 Electrically conductive polyimide compositions having a carbon nanotube filler component and methods relating theretoJul 02, 03Sep 25, 07[B32B]
6916544 Laminate type materials for flexible circuits or similar-type assemblies and methods relating theretoMay 17, 02Jul 12, 05[B32B]
6908685 Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrateAug 23, 01Jun 21, 05[C08G, C08L, B32B]
6828390 Polyimide substrates having an interpenetrating network morphology and methods relating theretoDec 30, 02Dec 07, 04[C08L]
6639041 Spandex having low set at low temperaturesMay 31, 02Oct 28, 03[C08G]
6623585 Coalesced multifilament spandex and method for its preparationFeb 23, 01Sep 23, 03[D01D, D01F, D02G]
6572050 Process for winding elastomeric fiber packageOct 15, 01Jun 03, 03[B65H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8021581 Flame retardant composition, flame-retardant resin composition and molded product and fiber made of flame-retardant resin compositionExpiredMar 17, 08Sep 20, 11[C09K, C08K]
7998373 Flame retardant composition, flame-retardant resin composition and molded product and fiber made of flame-retardant resin compositionExpiredSep 01, 10Aug 16, 11[C09K, C08K]
2009/0171,063 Polyimide film and methods relating theretoAbandonedJan 31, 08Jul 02, 09[C08G]
7155893 Method of producing heat-resistant crimped yarnExpiredSep 13, 01Jan 02, 07[D02G]
2006/0009,615 Polyamic acids, polyimide films and polymide-metal laminates and methods for making sameAbandonedJun 29, 05Jan 12, 06[C08G]
2005/0199,755 Shreds for reinforcement, fiber-reinforced product using the shreds, and method of manufacturing the shreds and the productAbandonedOct 29, 04Sep 15, 05[B02C]
2005/0112,972 Method for regenerating used heat-resistant high-performance textile yarn productsAbandonedDec 16, 04May 26, 05[D03D, B27N, D02G]
6889494 Heat-resistant crimped yarnExpiredAug 22, 03May 10, 05[D02G]
6835348 Method and device for producing open type polymide moldings, and base material for reflective bodies in lighting equipmentExpiredSep 10, 01Dec 28, 04[B29C]
2004/0138,341 Process for making polyurethane elastomeric fiberAbandonedOct 31, 03Jul 15, 04[C08K]
2004/0034,941 Organic fibers and textile productsAbandonedAug 20, 03Feb 26, 04[D06M]
2004/0019,146 Elastomeric polyurethane fiber with high heat-set efficiencyAbandonedMay 20, 03Jan 29, 04[C08J]
6668535 Heat-resistant crimped yarnExpiredOct 03, 01Dec 30, 03[D02G]
6652599 Treatment agent for elastic polyurethane fibers and elastic polyurethane fibers treated therewithExpiredAug 15, 00Nov 25, 03[D06M]
2003/0090,773 Lighting reflection apparatusAbandonedNov 12, 02May 15, 03[G02B]
6555238 Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrateExpiredAug 10, 01Apr 29, 03[B32B]
6548179 Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrateExpiredAug 09, 01Apr 15, 03[C08L, B32B]
2003/0024,053 Method for boiling-off of blended fabric from polyamide fiber and polyurethane fiber, method for producing dyed blended fabric and dyed blended fabricAbandonedApr 22, 02Feb 06, 03[D04B, D06M]
6492031 Reflector substrate for illumination device and reflector for illumination deviceExpiredSep 08, 00Dec 10, 02[G02B, B32B]
6399003 Process for making melt-spun spandexExpiredOct 22, 99Jun 04, 02[D01D, C08G, D01F]

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