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:
Feb. 08, 1983
Filed:
Feb. 16, 1982
Applicant:
Inventor:
James T Edmonds, Jr, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528387 ; 528388 ;
Abstract
A method for producing arylene sulfide polymer in which an anhydrous reaction mixture containing at least one polyhalo-substituted aromatic compound, at least one organic amide, at least one alkali metal hydroxide, and H.sub.2 S is maintained at polymerization conditions for a time sufficient to produce polymer. In a preferred embodiment the reaction mixture contains at least one alkali metal salt derived from a monocarboxylic acid or carbonic acid.