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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.:

US 10781298 B1

PDFFull Text
Date of Patent:
Sep. 22, 2020

Filed:

May. 24, 2017

Copolymer, rubber composition using same, and tire

Applicants:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Amyris, Inc., Emeryville, CA (US);

Inventors:

Daisuke Koda, Kamisu, JP;

Kei Hirata, Kamisu, JP;

Assignees:

KURARAY CO., LTD., Kurashiki-shi, JP;

AMYRIS, INC., Emeryville, CA (US);

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Arrie L Reuther

Int. Cl.
CPC ...
C08L 9/06 (2006.01); B60C 1/00 (2006.01); C08F 236/08 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01); C08L 47/00 (2006.01); C08F 236/22 (2006.01); C08L 21/00 (2006.01); C08K 3/013 (2018.01); C08K 3/22 (2006.01); C08L 7/00 (2006.01); C08L 9/00 (2006.01); C08K 3/06 (2006.01); C08K 5/548 (2006.01);
U.S. Cl.
CPC ...
C08L 9/06 (2013.01); B60C 1/00 (2013.01); C08F 236/08 (2013.01); C08F 236/22 (2013.01); C08K 3/013 (2018.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 3/36 (2013.01); C08L 7/00 (2013.01); C08L 21/00 (2013.01); C08L 47/00 (2013.01); C08K 3/06 (2013.01); C08K 5/548 (2013.01); C08K 2003/2296 (2013.01); C08K 2201/005 (2013.01); C08L 9/00 (2013.01); C08L 2205/02 (2013.01); Y02T 10/862 (2013.01);
Abstract

The present invention relates to a copolymer including a monomer unit (a) derived from isoprene and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing isoprene with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof.

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