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:
Sep. 19, 1978
Filed:
Mar. 11, 1977
Applicant:
Inventors:
James T Gragson, Bartlesville, OK (US);
Joseph E Ballard, Greenville, SC (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; B29C / ;
U.S. Cl.
CPC ...
264234 ; 6616 / ; 1394 / ; 264235 ; 2643 / ; 264345 ; 528373 ;
Abstract
Fabrics produced from aromatic sulfide polymers are rendered water-repellent by heat treatment near, but below, the melting point of the polymer for a finite period of time. The resulting heat-treated fabric is suitable for flame retardant tents, waterproof clothing, filters, etc.