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:
Nov. 04, 2003
Filed:
May. 18, 2001
Applicant:
Inventors:
Keisuke Chino, Hiratsuka, JP;
Naoshi Miyashita, Hiratsuka, JP;
Makoto Ashiura, Hiratsuka, JP;
Tetsuji Kawazura, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 6/348 ;
U.S. Cl.
CPC ...
C08G 6/348 ;
Abstract
A viscoelasticity improving agent for rubber obtained by reacting an alkyllithium compound with a free radical compound having an isocyanate group in the molecule thereof and existing stably at room temperature in the presence of oxygen and a rubber composition.