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:
Oct. 29, 1991
Filed:
Mar. 19, 1990
Applicant:
Inventors:
Jerry T Charles, Columbia, SC (US);
John F Hagewood, Mathews, NC (US);
Lawrence S Shea, Camden, SC (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
264103 ; 264130 ; 2642108 ; 264211 ;
Abstract
A process for preparing spin-oriented feed yarns that may be processed into flat yarns by draw-warping, involving the use of lower withdrawal speeds than customary hitherto for preparing spin-oriented feed yarns, and preferably low draw-tensions.