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:
Sep. 17, 1996
Filed:
Mar. 02, 1994
Applicant:
Inventors:
Hideo Funabashi, Ichihara, JP;
Akinobu Sugahara, Ichihara, JP;
Akira Tanaka, Ichihara, JP;
Masatoshi Toda, Ichihara, JP;
Tsuyoshi Ota, Ichihara, JP;
Youichi Matsuo, Ichihara, JP;
Tsutomu Akimaru, Ichihara, JP;
Sigeo Iwasaki, Ichihara, JP;
Masayuki Tsuruoka, Ichihara, JP;
Assignee:
Idemitsu Petrochemical Co., Ltd., Ichihara, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
502111 ; 502104 ; 502112 ; 502115 ; 502118 ; 502119 ; 502134 ; 502172 ; 264-9 ; 423497 ; 423498 ; 568841 ; 5261231 ; 5261243 ;
Abstract
A solid product as a catalyst component for an olefin polymerization catalyst is obtained by the reaction of metallic magnesium, an alcohol, and a halogen in an amount ranging from 0.019 to 0.06 gram-atom per one mole of metallic magnesium. Alternatively, the halogen component is a halogen-containing compound which contains not less than 0.0001 gram-atom of a halogen atom per one gram-atom of metallic magnesium.