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. 11, 2014
Filed:
Nov. 21, 2011
Yuichiro Ozawa, Chichibushi, JP;
Tsuyoshi Nakajima, Chichibushi, JP;
Teppei Mori, Kodaira, JP;
Yusuke Yamagata, Kodaira, JP;
Takahiro Iwai, Kodaira, JP;
Yuichiro Ozawa, Chichibushi, JP;
Tsuyoshi Nakajima, Chichibushi, JP;
Teppei Mori, Kodaira, JP;
Yusuke Yamagata, Kodaira, JP;
Takahiro Iwai, Kodaira, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a thiourea of the general formula wherein R is independently at each occurrence a hydrogen atom or a hydrocarbon group of 1 to 20 carbons. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.