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:
Apr. 04, 1978
Filed:
Dec. 29, 1975
Applicant:
Inventor:
William N Knopka, Medford, NJ (US);
Assignee:
Avtex Fibers Inc., Valley Forge, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 2642 / ; 264235 ; 2642 / ; 2643 / ;
Abstract
Method taught for producing a high modulus yarn of filaments of a polyester resin consisting of at least 15 up to 50 mole percent of bibenzoate units and from 85 to 50 mole percent of terephthalate units, said yarn having been uniformly oriented and then heat-set while free-to-relax.