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. 09, 2014
Filed:
May. 21, 2010
Applicant:
Tomohiro Yamamoto, Yokohama, JP;
Inventor:
Tomohiro Yamamoto, Yokohama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); C08J 9/06 (2006.01); C08J 9/10 (2006.01); C09K 3/10 (2006.01); C08J 9/38 (2006.01); B29C 44/56 (2006.01); C08J 9/00 (2006.01); C08K 5/098 (2006.01); C08K 3/30 (2006.01); C08L 23/16 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0023 (2013.01); C08J 2323/16 (2013.01); C08J 2203/04 (2013.01); C09K 2200/0642 (2013.01); C08J 9/103 (2013.01); C09K 3/10 (2013.01); C08K 3/30 (2013.01); C08J 9/38 (2013.01); C08L 23/16 (2013.01); B29C 44/5627 (2013.01); C09K 2200/0447 (2013.01); C08K 5/098 (2013.01);
Abstract
A sealing material is provided, which has excellent sealing property, with cracks, fracture, and deformation being minimized. The sealing material of the invention is prepared by vulcanizing and foaming a mixture containing a rubber component containing a copolymer rubber of ethylene, an α-olefin having 3 or more carbon atoms, and a non-conjugated diene, a vulcanizing agent, and a blowing agent, and then subjecting the mixture to a cell breakage treatment, characterized in that the mixture further includes a fatty acid calcium salt and a fatty acid zinc salt.