Title of Invention | A PROCESS FOR SPINNING A FULLY ORIENTED DIRECT-USE YARN AND A YARN PREPARED THEREFROM |
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Abstract | A process for spinning a direct-use yarn, comprising extruding a polyester polymer through a spinneret to form non-round filaments at a spinning speed less than 4500 mpm and a temperature between about 255 °C and about 275 °C, wherein said polymer comprises at least 85 mole % poly(trimethylene terephthalate) wherein at least 85 mole % of repeating units consist of trimethylene units, and wherein said polymer has an intrinsic viscosity of at least 0.70 dl/g, the direct-use yarn and its use. |
Full Text | N/A |
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in-pct-2001-1263-mum-abstract(23-10-2007).doc
in-pct-2001-1263-mum-abstract(23-10-2007).pdf
in-pct-2001-1263-mum-claims(granted)-(23-10-2007).doc
in-pct-2001-1263-mum-claims(granted)-(23-10-2007).pdf
in-pct-2001-1263-mum-correspondence(05-12-2008).pdf
in-pct-2001-1263-mum-correspondence(ipo)-(03-06-2008).pdf
in-pct-2001-1263-mum-drawing(23-10-2007).pdf
in-pct-2001-1263-mum-form 1(07-08-2007).pdf
in-pct-2001-1263-mum-form 1(12-10-2001).pdf
in-pct-2001-1263-mum-form 13(07-08-2007).pdf
in-pct-2001-1263-mum-form 18(15-02-2005).pdf
in-pct-2001-1263-mum-form 2(granted)-(23-10-2007).doc
in-pct-2001-1263-mum-form 2(granted)-(23-10-2007).pdf
in-pct-2001-1263-mum-form 3(12-10-2001).pdf
in-pct-2001-1263-mum-form 3(23-10-2007).pdf
in-pct-2001-1263-mum-form 5(12-10-2001).pdf
in-pct-2001-1263-mum-petition under rule 137(23-10-2007).pdf
in-pct-2001-1263-mum-power of authority(20-07-2000).pdf
in-pct-2001-1263-mum-power of authority(23-10-2007).pdf
Patent Number | 226531 | |||||||||
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Indian Patent Application Number | IN/PCT/2001/01263/MUM | |||||||||
PG Journal Number | 07/2009 | |||||||||
Publication Date | 13-Feb-2009 | |||||||||
Grant Date | 18-Dec-2008 | |||||||||
Date of Filing | 12-Oct-2001 | |||||||||
Name of Patentee | E.I. DU PONT DE NEMOURS AND COMPANY | |||||||||
Applicant Address | 1007 MARKET STREET, WILMINGTON, DELAWARE 19898, | |||||||||
Inventors:
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PCT International Classification Number | D01F6/62 | |||||||||
PCT International Application Number | PCT/US01/06566 | |||||||||
PCT International Filing date | 2001-03-01 | |||||||||
PCT Conventions:
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