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. 11, 2001
Filed:
Apr. 30, 1999
Applicant:
Inventors:
Hiroaki Katayama, Ichihara, JP;
Masaaki Nabika, Ichihara, JP;
Akio Imai, Ichihara, JP;
Akira Miyashita, Ageo, JP;
Tsuyoshi Watanabe, Ichihara, JP;
Hirofumi Johohji, Ichihara, JP;
Yoshiaki Oda, Toyonaka, JP;
Hidenori Hanaoka, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/16 ; C08F / ; C07F 1/700 ; C07F 7/00 ;
U.S. Cl.
CPC ...
C08F 4/16 ; C08F / ; C07F 1/700 ; C07F 7/00 ;
Abstract
The present invention relates to a transition metal complex, a process for producing the same, a polymerization catalsyt containing the transition metal complex and a process for producing polymers which uses the catalysts.