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:
Sep. 18, 2001
Filed:
Aug. 10, 1999
Applicant:
Inventors:
Michael Dauben, Neuss, DE;
Rüdiger Engehausen, Dormagen, DE;
Heinz Hermann Greve, Brights Grove, CA;
Wolfgang Nentwig, Bergisch Gladbach, DE;
Walter Kaminsky, Pinneberg, DE;
Christian Strübel, Hamburg, DE;
Volker Scholz, Hamburg, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/16 ; C08F 4/64 ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
C08F 4/16 ; C08F 4/64 ; C08F / ; C08F / ;
Abstract
The present invention is directed to a catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase, and the use of diene rubbers produced therewith, exhibiting a high cis content, an average vinyl content and a low gel content.