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:
Mar. 30, 1982
Filed:
Dec. 26, 1979
Applicant:
Inventor:
Kent W Rollmann, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Co., Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 92 ;
Abstract
Polyphenylene oxide is conveniently blended with conjugated diene-monovinylarene copolymers by using a mixed solvent of aromatic and paraffinic/cycloparaffinic hydrocarbons; preferably a polyphenylene oxide solution in an aromatic solvent is added to the copolymer cement prior to polymer recovery but after monomer polymerization is essentially complete.