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. 23, 1999
Filed:
Dec. 20, 1996
Applicant:
Inventor:
Masashi Yano, Sayama, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524262 ; 524265 ; 524493 ; 523213 ;
Abstract
In a method for kneading a silane coupling agent-blended rubber composition prepared by blending a natural rubber and/or a diene group synthetic rubber with silica and a silane coupling agent, a coupling reaction of the silica with the silane coupling agent is carried out in a temperature range of 130 to 140.degree. C.