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.

Date of Patent:
Aug. 22, 1995

Filed:

Dec. 06, 1993
Applicant:
Inventors:

Donald R Witt, Bartlesville, OK (US);

Elizabeth A Benham, Bartlesville, OK (US);

Max P McDaniel, Bartlesville, OK (US);

Assignee:

Phillips Petroleum Company, Bartlesville, OK (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08F / ;
U.S. Cl.
CPC ...
526106 ; 526123 ;
Abstract

An improved supported chromium oxide catalyst, a process for preparing the catalyst and a process for polymerizing olefin monomers utilizing the catalyst are provided. In accordance with the preparation process, chromium oxide and a support containing one or more of silica, titania, thoria, alumina, zirconia or aluminophosphates are combined, impregnated with a metal salt and activated. The metal salt is selected from the group consisting of alkali metal salts, alkaline earth metal salts and mixtures thereof.


Find Patent Forward Citations

Witt, Donald. (1995). Controlled addition of alkali or alkaline earth salts to a chromium (U.S. Patent No. 5444132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5444132

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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