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. 24, 2015
Filed:
Jan. 22, 2013
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Toshiaki Sakaki, Kobe, JP;
Lucksanaporn Tarachiwin, Rayong, TH;
Kamolchat Charungchitaree, Rayong, TH;
Hathainat Kum-Ourm, Rayong, TH;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, JP;
Abstract
Provided are a method for producing a relatively uniformly epoxidized natural rubber in a simple and inexpensive manner, a rubber composition for tires that includes the epoxidized natural rubber, and a pneumatic tire formed from the rubber composition for tires. The present invention relates to a method for producing an epoxidized natural rubber, including: Step 1 of coagulating natural rubber latex into granules to prepare a granular solid rubber; and Step 2 of treating the granular solid rubber with an epoxidizing liquid to epoxidize the granular solid rubber.