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:
Feb. 20, 2018
Filed:
Jun. 12, 2015
Applicants:
Giancarlo Cossu, Rome, IT;
Pasquale Agoretti, Ariccia, IT;
Inventors:
Giancarlo Cossu, Rome, IT;
Pasquale Agoretti, Ariccia, IT;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/20 (2006.01); C08K 3/36 (2006.01); C08J 3/22 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C08K 3/36 (2013.01); C08J 3/226 (2013.01); C08L 9/06 (2013.01); C08J 2309/06 (2013.01); C08J 2409/00 (2013.01);
Abstract
A method for preparing a rubber compound comprising at least one first mixing step in which at least part of a cross-linkable polymer base is mixed at least with a reactive reinforcing filler, a dendrimer functionalized with polar groups adapted to interact with the reactive reinforcing filler and a nucleophile agent; and a subsequent mixing step in which the compound being prepared is mixed with a vulcanization system.