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:
Nov. 06, 2007
Filed:
Dec. 13, 2004
Applicants:
Victor Nasreddine, Sarnia, CA;
Sharon X. Guo, Sarnia, CA;
Rayner Krista, Strathroy, CA;
Dirk Achten, Cologne, DE;
Inventors:
Victor Nasreddine, Sarnia, CA;
Sharon X. Guo, Sarnia, CA;
Rayner Krista, Strathroy, CA;
Dirk Achten, Cologne, DE;
Assignee:
Lanxess Inc., Sarnia, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 77/00 (2006.01); C08L 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a multistage process including at least two steps for making a heat and oil resistant preroxide-cured thermoplastic vulcanizates (TPV) based on hydrogenated carboxiated nitrile butadiene rubber (HXNBR) and at least one polyamide. TPV's according to the present invention have improved properties and morphology over known TPV's prepared in single-stage processes.