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. 01, 2003
Filed:
Dec. 21, 2000
Applicant:
Inventors:
Kazuo Takaoki, Ichihara, JP;
Tatsuya Miyatake, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ;
U.S. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ;
Abstract
An electron-withdrawing group-containing metal compound (I) of an atom of the Group III to the Group XII or lanthanide series of the Periodic Table of the Elements, a catalyst component for addition polymerization composed of the compound (I), a catalyst for addition polymerization obtained by contacting the compound (I) with a specific compound (II) of metal of the Group III to the Group XIII or lanthanide series and optionally an organoaluminum compound (III), and a process for producing an addition polymer using the catalyst.