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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.:

US 3960765 B1

PDFFull Text
Date of Patent:
Jun. 01, 1976

Filed:

Nov. 04, 1974

Catalyst for polymerization of olefins and process for preparing the same

Applicant:
Inventors:

Akinobu Shiga, Niihama, JA;

Yoshiharu Fukui, Niihama, JA;

Kazuhiro Matsumura, Niihama, JA;

Satoru Uchida, Niihama, JA;

Assignee:

Sumitomo Chemical Company, Limited, Osaka, JA;

Attorney:

Sughrue, Rothwell, Mion, Zinn & Macpeak

Primary Examiner:

Patrick P Garvin

Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2524 / ; 526135 ; 526136 ; 526141 ; 526142 ; 526154 ; 526209 ; 526217 ; 526222 ; 526226 ; 526348 ; 526351 ;
Abstract

A process for preparing a solid catalyst for the polymerization of olefins which comprises the steps of (1) reducing titanium tetrachloride with an organoaluminum compound, (2) treating the resulting .beta.-type titanium trichloride with a complexing agent, (3) treating the solid catalyst thus obtained with an organoaluminum compound, and (4) treating the resulting solid catalyst with a complexing agent, and a solid catalyst for the polymerization of olefins prepared by the above process.

Find Patent Forward Citations

Shiga, Akinobu. (1976). Catalyst for polymerization of olefins and process for preparing the same (U.S. Patent No. 3960765). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3960765

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

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