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. 08, 2009
Filed:
Feb. 22, 2005
Applicant:
Frederic Guerin, Port Arthur, TX (US);
Inventor:
Frederic Guerin, Port Arthur, TX (US);
Assignee:
Lanxess Inc., Sarnia, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 20/42 (2006.01); C08F 236/12 (2006.01); C08C 19/02 (2006.01); C08C 19/00 (2006.01); C08L 35/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the production of hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art in the characterized that the process is carried out in the presence of hydrogen and optionally at least one co-(olefin).