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. 30, 2008
Filed:
Aug. 25, 2006
Applicants:
Werner Obrecht, Moers, DE;
Julia Maria Müller, Blaustein, DE;
Oskar Nuyken, München, DE;
Heinz Berke, Salenstein, CH;
Ludek Meca, Zürich, CH;
Lubica Triscikova, Zürich, CH;
Inventors:
Werner Obrecht, Moers, DE;
Julia Maria Müller, Blaustein, DE;
Oskar Nuyken, München, DE;
Heinz Berke, Salenstein, CH;
Ludek Meca, Zürich, CH;
Lubica Triscikova, Zürich, CH;
Assignee:
LANXESS Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/44 (2006.01); C08F 8/04 (2006.01); C08F 8/50 (2006.01); C08C 19/02 (2006.01); C08C 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel process for the degradation of nitrile rubber by metathesis using ruthenium- or osmium-based catalysts which have both a substituted or unsubstituted imidazolidine ligand and a carbene ligand bearing a phosphonium radical is provided.