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:
Dec. 15, 1981
Filed:
Oct. 10, 1980
Applicant:
Inventors:
Haruo Ueno, Chiba, JP;
Takefumi Yano, Ichihara, JP;
Michimasa Shimizu, Ichihara, JP;
Masanori Tamura, Ichihara, JP;
Sakae Yuasa, Ichihara, JP;
Assignee:
Ube Industries, Ltd., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526128 ; 2524 / ; 5263486 ; 526352 ; 5263522 ;
Abstract
An ethylene polymer is produced with an excellent yield by bringing a feed containing ethylene into contact with a catalyst which comprises (A) a solid catalytic ingredient prepared (a) by reacting a Grignard compound with an aluminium halide-tetraalkoxysilane reaction product and (b) bringing the resultant reaction product into contact with titanium tetrahalide and; (B) another catalytic ingredient consisting of a trialkyl aluminium.