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:
Jul. 02, 2002
Filed:
May. 21, 2001
Applicant:
Inventors:
Yutaka Minami, Chiba-ken, JP;
Tatsuya Egawa, Chiba-ken, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/04 ; C08F 4/642 ; C08F 1/008 ;
U.S. Cl.
CPC ...
C08F 8/04 ; C08F 4/642 ; C08F 1/008 ;
Abstract
A process for producing a polymer of an &agr;-olefin. The process includes polymerizing one or more &agr;-olefins having at least 4 carbon atoms in the presence of a catalyst for producing polymers of olefins. The catalyst contains (A) a specific metal compound and (B) either or both of (b-1) an organoaluminum oxy compound and (b-2) an ionic compound. The polymer of an &agr;-olefin is useful as a lubricant component.