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. 28, 2001
Filed:
Sep. 13, 1993
Applicant:
Inventors:
Carlton E. Ash, Bartlesville, OK (US);
Jon F. Geibel, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/514 ;
U.S. Cl.
CPC ...
C08G 7/514 ;
Abstract
A process is provided for producing a poly(arylene sulfide) polymer which employs waste material comprising poly(arylene sulfide) polymer that is normally discarded or otherwise disposed of, wherein the waste stream is contacted with a polymerization reaction mixture under polymerization conditions. The waste material can optionally contain other components such as cyclic and linear oligomers, inorganic salts, polar organic compounds and water.