Title of Invention

A PROCESS FOR SPINNING A FULLY ORIENTED DIRECT-USE YARN AND A YARN PREPARED THEREFROM

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

Documents:

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
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:
# Inventor's Name Inventor's Address
1 JAMES M. HOWELL 108 SOUTH BAYWOOD, GREENVILLE, NC 27834,
2 JOE FORREST LONDON,JR 210 ERITH COURT, GREENVILLE, NC 28758,
PCT International Classification Number D01F6/62
PCT International Application Number PCT/US01/06566
PCT International Filing date 2001-03-01
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 60/187,244 2000-03-03 U.S.A.