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. 14, 2017
Filed:
Mar. 07, 2013
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Sumiko Miyazaki, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/06 (2006.01); C08L 15/00 (2006.01); B60C 1/00 (2006.01);
U.S. Cl.
CPC ...
C08C 19/06 (2013.01); B60C 1/00 (2013.01); B60C 1/0016 (2013.04); C08L 15/00 (2013.01);
Abstract
The present invention provides a method for producing epoxidized natural rubber with high productivity and at low cost, a rubber composition for a tire containing the epoxidized natural rubber, and a pneumatic tire formed from the rubber composition for a tire. The present invention relates to a method for producing epoxidized natural rubber, the method including: step (1) of reacting an acid anhydride with hydrogen peroxide to prepare an organic peracid; and step (2) of epoxidizing natural rubber latex with the obtained organic peracid.