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. 13, 1984
Filed:
Feb. 22, 1982
Applicant:
Inventor:
Fred T Sherk, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
528498 ; 528501 ; 528503 ;
Abstract
An improved polymerization process wherein vapors from a flash zone are condensed and used as wash liquid in a polymer washing zone and optionally a sidestream from a monomer fractionation zone is also used as wash liquid.
Quick Actions:
Sherk, Fred. (1984). Hydrocarbon wash liquid for catalyst separation (U.S. Patent No. 4436901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4436901
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