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:
Apr. 14, 2025
Filed:
May. 20, 2020
Kuraray Co., Ltd., Kurashiki, JP;
Yoshikazu Ueno, Kamisu, JP;
Daisuke Koda, Kamisu, JP;
KURARAY CO., LTD., Kurashiki, JP;
Abstract
A diene rubber may give a crosslinked product or forming a rubber composition which has high levels of both ice grip performance and wet grip performance; a rubber composition may include the diene rubber; a tire member may be formed from the rubber composition or a crosslinked product thereof; and a tire may include the rubber composition or a crosslinked product thereof as at least a portion thereof. A resin modifier may include the diene rubber and give such a resin composition. A diene rubber may include butadiene units and an Mof 5,000 to 50,000, and may satisfy (i) to (iii): (i) β>0; (ii) β>40; and (iii) β/(β−40)≤2, wherein βis the mol % of 1,2-bonded butadiene units, and βis the mol % of specific structural units, both with respect to all butadiene units present in the diene rubber.