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:
Jun. 24, 2003
Filed:
Apr. 15, 2002
Applicant:
Inventors:
Yutaka Minami, Ichihara, JP;
Tatsuya Egawa, Sodegaura, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/642 ; C08F 8/04 ; C08F 1/008 ;
U.S. Cl.
CPC ...
C08F 4/642 ; C08F 8/04 ; C08F 1/008 ;
Abstract
A process for producing a polymer of an &agr;-olefin which comprises polymerizing an &agr;-olefin having at least 4 carbon atoms in the presence of a catalyst for producing polymers of olefins which comprises (A) a specific metal compound and (B) at least one compound selected from (b-1) an organoaluminum oxy compound and (b-2) an ionic compound. The polymer of an &agr;-olefin is useful as a component of lubricant.