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:
May. 12, 2026
Filed:
Nov. 19, 2021
Applicant:
Denka Company Limited, Tokyo, JP;
Inventor:
Atsunori Kondo, Tokyo, JP;
Assignee:
DENKA COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 11/00 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08K 3/36 (2006.01); C08K 5/14 (2006.01); C08K 5/541 (2006.01); C08K 5/5425 (2006.01);
U.S. Cl.
CPC ...
C08L 11/00 (2013.01); C08K 3/36 (2013.01); C08K 5/14 (2013.01); C08K 5/541 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/267 (2013.01); C08K 5/5425 (2013.01); C08K 2201/006 (2013.01); C08K 2201/014 (2013.01);
Abstract
A rubber composition, by which a vulcanizate having excellent vulcanization speed, abrasion resistance and low temperature rise can be obtained, is provided. A rubber composition including 100 parts by mass of a chloroprene-based rubber, 20 to 80 parts by mass of silica, 1 part by mass or more and less than 20 parts by mass of a hydrate, and 0.3 to 1.4 parts by mass of an organic peroxide, wherein the rubber composition includes 0.5 to 15 parts by mass of a silane coupling agent having a double bond in a structure of the silane coupling agent with respect to 100 parts by mass of the silica.