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:
Dec. 27, 2016
Filed:
Aug. 29, 2012
Hiroyuki Morita, Tokyo, JP;
Takeshi Yuasa, Tokyo, JP;
Koichiro Tani, Tokyo, JP;
Naoya Nosaka, Tokyo, JP;
Ryouji Tanaka, Tokyo, JP;
Koji Okada, Tokyo, JP;
Hiroyuki Morita, Tokyo, JP;
Takeshi Yuasa, Tokyo, JP;
Koichiro Tani, Tokyo, JP;
Naoya Nosaka, Tokyo, JP;
Ryouji Tanaka, Tokyo, JP;
Koji Okada, Tokyo, JP;
JSR CORPORATION, Tokyo, JP;
Abstract
A method for producing a modified conjugated diene polymer, comprises polymerizing (i) a monomer comprising a conjugated diene compound, or (ii) a monomer comprising a conjugated diene compound and an aromatic vinyl compound, in the presence of: at least one compound selected from the group consisting of formulae (1) and (2), and an alkali metal compound or an alkaline earth metal compound. Ais a functional group which has a hydrocarbylsilyl group in which three hydrogen atoms in a —SiHstructure are each substituted by a hydrocarbyl group; has at least one atom selected from the group consisting of N, P and S; and has no active hydrogen and is bound to Rby any one atom of the N, P and S. Rand Rare hydrocarbylene groups.