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Poly(trimethylene dicarboxylate) fibers, their manufacture and use
   
Document Number
US Patent 6967057
Issued Date
November 22, 2005
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Abstract
A process for preparing poly(trimethylene terephthalate) fibers including (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 10 weight % ionomer and (b) spinning the polymer composition to form fibers. In addition, a poly(trimethylene terephthalate) fiber including poly(trimethylene terephthalate) with about 0.1 to about 10 weight % ionomer dispersed throughout the poly(trimethylene terephthalate), and use thereof in yarns, fabrics, and carpets, as well as the yarns, fibers and fabrics.
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Number of Claims:
27
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Published
November 22, 2005
Application Number
10/727,937
Filed
December 3, 2003
US Classification
428/364   264/103 264/143 264/168 264/172.13 264/210.5 264/210.8 264/211 264/211.12 428/373 428/374 428/378 428/395 57/284
Int'l Classification
D02G   3/04   (20060101)  
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Parent Case
RELATED APPLICATIONS This application claims priority from U.S. Provisional Patent Application Ser. No. 60/434,751, filed Dec. 19, 2002, which is hereby incorporated by reference.
USPTO Field of Search
57/284   264/168   264/210.5   264/210.8   264/103   264/143   264/172.13   264/210.3   264/211   264/211.12   428/364   428/373   428/374  
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