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:
Aug. 11, 2015
Filed:
Jun. 03, 2010
Takaaki Nishikawa, Kamisu, JP;
Yosuke Jogo, Kamisu, JP;
Nobuhiro Moriguchi, Kamisu, JP;
Mizuho Maeda, Tokyo, JP;
Takaaki Nishikawa, Kamisu, JP;
Yosuke Jogo, Kamisu, JP;
Nobuhiro Moriguchi, Kamisu, JP;
Mizuho Maeda, Tokyo, JP;
KURARAY CO., LTD., Kurashiki-shi, JP;
Abstract
The present invention relates to a method for producing a hydrogenated block copolymer, comprises the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a bis-silane coupling agent having a specific structure; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; and (c) isolating the resultant hydrogenated block copolymer, in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer isolated in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.