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:
Aug. 10, 1993
Filed:
Dec. 19, 1991
Applicant:
Inventors:
Jon F Geibel, Bartlesville, OK (US);
Harold D Yelton, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528388 ; 525537 ;
Abstract
Poly(arylene sulfide) with reduced metal contamination is produced in a two step process by contacting a dihaloaromatic compound, a sulphur source, an organic amide, alkali metal carboxylate and water in a reaction vessel wherein at least the liquid contacting parts of the vessel are constructed of titanium.
Geibel, Jon. (1993). Process for the preparation of poly(arylene sulfide) with low metal (U.S. Patent No. 5235032). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5235032
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile