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:
Mar. 29, 2022
Filed:
Dec. 19, 2017
Applicant:
Zeon Corporation, Tokyo, JP;
Inventor:
Yasuaki Watanabe, Tokyo, JP;
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/06 (2006.01); C08C 19/00 (2006.01); C08C 1/15 (2006.01); C08C 3/02 (2006.01);
U.S. Cl.
CPC ...
C08F 236/06 (2013.01); C08C 1/15 (2013.01); C08C 3/02 (2013.01); C08C 19/00 (2013.01); C08F 2800/20 (2013.01); C08F 2810/20 (2013.01);
Abstract
A carboxyl group-containing nitrile rubber comprising an α,β-ethylenically unsaturated nitrile monomer unit in a content of 5 to 60 wt % and having an iodine value of 120 or less, wherein the carboxyl group-containing nitrile rubber has a polymer Mooney viscosity (ML1+4, 100° C.) of 60 or less and a polymer pH of 7 or less.