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:
Jun. 09, 2015
Filed:
Oct. 04, 2011
Yuichi Nishimae, Ibaraki, JP;
Hisatoshi Kura, Takarazuka, JP;
Kazuhiko Kunimoto, Kawanishi, JP;
Ryuhei Yamagami, Osaka, JP;
Keita Tanaka, Nishinomiya, JP;
Yuichi Nishimae, Ibaraki, JP;
Hisatoshi Kura, Takarazuka, JP;
Kazuhiko Kunimoto, Kawanishi, JP;
Ryuhei Yamagami, Osaka, JP;
Keita Tanaka, Nishinomiya, JP;
BASF SE, Ludwigshafen, DE;
Abstract
Compounds of the formula (I), wherein R, R, R, R, R, R, Rand Rfor example independently of each other are hydrogen, C-Calkyl, (II), CORor NO, provided that at least one pair of Rand R, Rand R, Rand R, Rand R, Rand R, or Rand Ris (III); R, R, Rand Rfor example independently of each other are hydrogen, C-Calkyl which optionally substituted; or R, R, R, and Rindependently of each other are unsubstituted or substituted phenyl; X is CO or a direct bond; Ris for example C-Calkyl which optionally is substituted, C-Calkenyl, C-Ccycloalkenyl, C-Calkinyl, C-C-cycloalkyl, phenyl or naphthyl both of which are optionally substituted; Ris for example hydrogen, C-Ccycloalkyl, C-Calkenyl, C-Calkoxy, C-Calkyl, phenyl or naphthyl; Ris for example C-Caryl or C-Cheteroaryl; Ris for example C-Caryl which is unsubstituted or substituted by one or more C-Calkoxy or C-Calkyl; are in particular suitable as photoinitiators for color filter applications.