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:
Jan. 31, 1989
Filed:
May. 05, 1987
Applicant:
Inventor:
Uel D Jennings, Signal Mountain, TN (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428399 ; 428373 ; 428374 ; 428395 ; 428397 ; 428401 ; 57243 ; 57248 ; 57253 ; 57260 ;
Abstract
A polyhexamethylene adipamide yarn characterized by a tenacity greater than 4.5 g/den., an elongation of from 25-40% constituent ribbon cross-section filaments having a length to width ratio greater than 3 is disclosed. Also disclosed is the process for making such yarn including a delayed quench and a two-stage hot chest draw.
Jennings, Uel. (1989). High tenacity polyhexamethylene adipamide yarn having ribbon (U.S. Patent No. 4801503). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4801503
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile