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:
May. 18, 1982

Filed:

Mar. 28, 1980
Applicant:
Inventors:

Hisaya Sakurai, Kurashiki, JP;

Hideo Morita, Kurashiki, JP;

Masayoshi Miya, Kurashiki, JP;

Katsuhiko Takaya, Kurashiki, JP;

Haruyuki Yoneda, Kurashiki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526127 ; 526125 ; 526128 ; 526132 ; 526140 ; 526141 ; 526142 ; 526351 ; 526352 ;
Abstract

Catalysts for polymerization of olefin which comprise a solid catalyst component (A) and an organometallic compound with a heterocyclic carboxylic acid ester (B), wherein the solid catalyst component (A) is obtained by reacting or/and grinding a special magnesium compound (1), a titanium halide (2) and a carboxylic acid ester (3); and the heterocyclic carboxylic acid ester is N-, S- or O-containing heterocyclic compound, and processes for polymerization of olefin employing such a catalyst.


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