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. 17, 2013
Filed:
Jun. 23, 2009
Applicants:
Julia Marie Mueller, Blaustein, DE;
Oskar Nuyken, Munich, DE;
Werner Obrecht, Moers, DE;
Inventors:
Assignee:
LANXESS Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 33/18 (2006.01); C08L 9/00 (2006.01); C08F 4/00 (2006.01); C08F 20/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided.