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:
Apr. 07, 1981
Filed:
Jun. 21, 1979
Applicant:
Inventors:
Louis J Rekers, Wyoming, OH (US);
Stanley J Katzen, Cincinnati, OH (US);
Jerome H Krekeler, Cincinnati, OH (US);
Assignee:
National Petro Chemicals Corp., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526100 ; 252428 ; 252430 ; 2524 / ; 526105 ; 526106 ; 526139 ; 526145 ; 526154 ; 526155 ; 526161 ; 526352 ;
Abstract
Olefin polymerization catalysts are prepared by depositing an organophosphoryl chromium product and an aluminum acetyl acetonate on an inorganic support material, and heating the support material in a non-reducing atmosphere at a temperature above about 300.degree. C. up to the decomposition temperature of the support material.