| |
 |
|
Class Information
Number: 528/906
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Fiber or elastomer prepared from an isocyanate reactant
Description: Subject matter involving a polymer derived from at least one -N=C=X- containing reactant (X is a chalcogen atom) which is utilizable as a fiber or has elastomeric properties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7232876 |
Phosphorus-containing urethane(meth)acrylate compounds and photosensitive compositions |
Jun. 19, 2007 |
| 7202322 |
Heat resistant high moisture vapor transmission thermoplastic polyurethane |
Apr. 10, 2007 |
| 7015299 |
Melt spun thermoplastic polyurethanes useful as textile fibers |
Mar. 21, 2006 |
| 7001976 |
Water-soluble fiber and a method for manufacture therefor |
Feb. 21, 2006 |
| 6984708 |
Spandex of a particular composition and process for making same |
Jan. 10, 2006 |
| 6964626 |
High temperature polyurethane/urea elastomers |
Nov. 15, 2005 |
| 6956074 |
Polyurethane composition |
Oct. 18, 2005 |
| 6916896 |
High productivity spandex fiber process and product |
Jul. 12, 2005 |
| 6906163 |
Prepolymer catalysts suitable for preparing spandex fibers |
Jun. 14, 2005 |
| 6903179 |
Polyurethane/ureas useful for the production of spandex and a process for their production |
Jun. 7, 2005 |
| 6780958 |
Spandex compositions |
Aug. 24, 2004 |
| 6737497 |
Polyurethane/ureas useful for the production of spandex and a process for their production |
May. 18, 2004 |
| 6720403 |
Polyurethaneurea and spandex comprising same |
Apr. 13, 2004 |
| 6660825 |
Lactone polyester diol, polyurethane obtained therefrom, and spandex filament thereof |
Dec. 9, 2003 |
| 6639041 |
Spandex having low set at low temperatures |
Oct. 28, 2003 |
| 6624281 |
Polyurethane/ureas useful for the production of spandex and a process for their production |
Sep. 23, 2003 |
| 6503996 |
High-uniformity spandex and process for making spandex |
Jan. 7, 2003 |
| 6500911 |
Polyester diol and derived polyurethane and acrylic copolymer |
Dec. 31, 2002 |
| 6485665 |
Method for producing polyurethane elastomer fibers and fibers produced according to this method |
Nov. 26, 2002 |
| 6472494 |
Spandex with high heat-set efficiency |
Oct. 29, 2002 |
| 6458866 |
Polyurethane elastomers, method of producing them and their use |
Oct. 1, 2002 |
| 6277942 |
Melt-spun elastomeric fibers and the preparation thereof |
Aug. 21, 2001 |
| 6252031 |
Production process for producing polyurethane elastic material and elastic yarn |
Jun. 26, 2001 |
| 6225435 |
Stable polyurethaneurea solutions |
May. 1, 2001 |
| 6197915 |
Thermoplastic polyurethanes, polyurethane elastic fibers therefrom, and method for producing the fibers |
Mar. 6, 2001 |
| 6127506 |
Process for melt spinning spandex |
Oct. 3, 2000 |
| 6100360 |
Process for preparing a polyurethane elastic fiber |
Aug. 8, 2000 |
| 6093783 |
Water-soluble fiber and a method for manufacture thereof |
Jul. 25, 2000 |
| 6063892 |
Spandex prepared with hindered diisocyanates |
May. 16, 2000 |
| 5981686 |
Spandex made with 1,3-diaminopentane |
Nov. 9, 1999 |
| 5962619 |
Process for making clear polyurethane/urea elastomers |
Oct. 5, 1999 |
| 5959059 |
Thermoplastic polyether urethane |
Sep. 28, 1999 |
| 5948875 |
Polyurethaneureas and spandex made therefrom |
Sep. 7, 1999 |
| 5879596 |
Low temperature process for making polyurethaneureas |
Mar. 9, 1999 |
| 5843357 |
Spandex elastomers |
Dec. 1, 1998 |
| 5723563 |
Spandex elastomers |
Mar. 3, 1998 |
| 5708118 |
Spandex elastomers |
Jan. 13, 1998 |
| 5691441 |
Spandex elastomers |
Nov. 25, 1997 |
| 5644015 |
Process of manufacturing improved polyurethane fiber polymer |
Jul. 1, 1997 |
| 5616675 |
Process of preparing elastomeric thread |
Apr. 1, 1997 |
| 5616676 |
Thermosetting polyurethane-urea elastic yarn and process thereof |
Apr. 1, 1997 |
| 5606005 |
Polyurethane and molded article comprising the same |
Feb. 25, 1997 |
| 5565270 |
Process for the production of elastane filaments |
Oct. 15, 1996 |
| 5541280 |
Linear segmented polyurethaneurea and process for production thereof |
Jul. 30, 1996 |
| 5539037 |
Spandex containing certain alkali metal salts |
Jul. 23, 1996 |
| 5496909 |
Polyurethane molding compound and biodegradable filaments manufactured from such molding compound |
Mar. 5, 1996 |
| 5439948 |
Process for cellular polymeric products |
Aug. 8, 1995 |
| 5410009 |
Polyurethaneurea elastomer |
Apr. 25, 1995 |
| 5310852 |
Elastic polyurethane fiber |
May. 10, 1994 |
| 5200491 |
Process for the preparation of thermoplastic polyurethane elastomers |
Apr. 6, 1993 |
|
|
|
