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:
Jul. 10, 2007
Filed:
May. 14, 2003
Applicants:
Kenji Sato, Kodaira, JP;
Shinichiro Sugi, Kodaira, JP;
Nobuko Kato, Kodaira, JP;
Kenichi Sugimoto, Kodaira, JP;
Inventors:
Kenji Sato, Kodaira, JP;
Shinichiro Sugi, Kodaira, JP;
Nobuko Kato, Kodaira, JP;
Kenichi Sugimoto, Kodaira, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); B32B 19/00 (2006.01); B32B 27/00 (2006.01); B32B 27/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rubber based composite material having a rubber composition and, adhered thereto, a reinforcing material having a coating film containing a metal or a metal compound capable of reacting with sulfur formed on the surface of the material, characterized in that the oxygen content in the coating film increases toward the reinforcing material in the thickness direction.