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:
Oct. 16, 2007
Filed:
Jan. 11, 2006
Applicants:
Makoto Ashiura, Hiratsuka, JP;
Tetsuji Kawazura, Hiratsuka, JP;
Inventors:
Makoto Ashiura, Hiratsuka, JP;
Tetsuji Kawazura, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/22 (2006.01); C08C 19/25 (2006.01); C08F 8/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for modifying a polymer comprising modifying a polymer capable of decomposing with a carbon radical in the molecule thereof by a reaction with a radical initiator and a compound having a nitroxide radical in the molecule thereof to thereby decrease a molecular weight of the polymer and also to thereby introduce an organic group derived from the free radical into the polymer.