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:
Jun. 04, 2019
Filed:
May. 21, 2015
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Alessandra Bartoloni, Rome, IT;
Raffaele Di Ronza, Rome, IT;
Assignee:
BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/04 (2006.01); C08K 5/378 (2006.01); B60C 1/00 (2006.01); C08K 3/36 (2006.01); C08K 5/372 (2006.01);
U.S. Cl.
CPC ...
C08K 5/378 (2013.01); B60C 1/0016 (2013.01); C08K 3/04 (2013.01); C08K 3/36 (2013.01); C08K 5/3725 (2013.01);
Abstract
A rubber compound comprising at least one polymer base with cross-linkable unsaturated chain, a reinforcing filler, a vulcanization system and an interaction agent between the polymer base and the reinforcing filler consisting of a compound having an amine group and a sulphur atom adapted to react with the polymer base in the vulcanization step. The interaction agent has formula (II) or (III); wherein: wherein: