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:
May. 13, 2014
Filed:
Dec. 21, 2011
Yu Iwai, Shizuoka, JP;
Takafumi Nakayama, Shizuoka, JP;
Junya Abe, Shizuoka, JP;
Ichiro Koyama, Shizuoka, JP;
Yu Iwai, Shizuoka, JP;
Takafumi Nakayama, Shizuoka, JP;
Junya Abe, Shizuoka, JP;
Ichiro Koyama, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The invention is directed to a compound represented by the Formula (1) as defined herein, and a method for preparing a compound represented by the Formula (1) which includes: reacting a diamine compound represented by the Formula (2) as defined herein with a methacrylic anhydride or an acrylic anhydride under a condition where an organic acid having a pKa of 2.0 or more is present in an amount of 0.5 to 5.0 moles based on 1 mole of the diamine compound to obtain a reaction mixture; adding phosphoric acid to the reaction mixture; and purifying the reaction mixture by extraction with an organic solvent.