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:
Jul. 09, 2013
Filed:
Nov. 06, 2009
Eiji Takahashi, Chiba, JP;
Eiji Takahashi, Chiba, JP;
Nippon Soda Co., Ltd., Tokyo, JP;
Abstract
It is to provide a method for producing a polymer by a living anionic polymerization, wherein the number of functional groups and the introduction position are accurately specified in the polymer. For this purpose, a cinnamyl alcohol represented by the following formula [I] or a derivative thereof is subjected to a reaction when conducting a living anionic polymerization. In formula [I], Rrepresents an alkyl group or alkoxy group; m represents an integer of 0 to 5 and when m is 2 or more, Rs may be the same or different; Rrepresents a hydrogen atom, alkali metal atom, trialkylsilyl group or a substituent represented by the following formula [II]. In formula [II], Rrepresents a hydrogen atom or a C1-C6 alkyl group; and Rrepresents an alkyl group which may be substituted by an alkoxy group, a cycloalkyl group which may be substituted by an alkoxy group, a phenyl group which may be substituted by an alkyl group, or a phenyl group which may be substituted by an alkoxy group).