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. 25, 1977
Filed:
Mar. 04, 1974
Applicant:
Inventor:
Walter Darchuk, North Little Rock, AR (US);
Assignee:
Dan River, Incorporated, Danville, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
5714 / ; 1394 / ;
Abstract
Flame resistant, thermally stable yarns containing 50 to 80% by weight syndiotactic polyvinyl chloride fibers and 20 to 50% by weight polyester fibers spun together to form said yarns and fabrics made therefrom. The syndiotactic index of the polyvinyl chloride is at least 1.8 and preferably greater than about 2.