The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1991
Filed:
Oct. 12, 1989
Applicant:
Inventors:
Teddy H Grindstaff, Kinston, NC (US);
Cecil E Reese, Kinston, NC (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ; D01F / ;
U.S. Cl.
CPC ...
264103 ; 264129 ; 264130 ; 264134 ; 264136 ; 2642103 ; 2642108 ; 264233 ; 26421114 ; 26421115 ;
Abstract
Drawn polyester multi-filament yarns, preferably prepared by a coupled process of spin-drawing, and of fabrics and garments thereof, are prepared by an improved process involving treatment of freshly-extruded polyester filaments with caustic in the spin-finish, so as to improve moisture-wicking properties.
Grindstaff, Teddy. (1991). Process for preparing drawn filament yarns (U.S. Patent No. 5069846). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5069846
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile