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. 14, 2016
Filed:
Apr. 30, 2013
Kowa Company, Ltd., Aichi, JP;
Masahiro Tamura, Shizuoka, JP;
Takahide Oshita, Shizuoka, JP;
KOWA COMPANY, LTD., Nagoya-shi, Aichi, JP;
Abstract
A polymerizable UV-absorbing colorant monomer is provided, which is excellent in stability under alkaline conditions and which is available for a useful material polymer for an intraocular lens. A compound, which is represented by the following general formula (1), is used as a polymerizable UV-absorbing monomer available for a material polymer for an intraocular lens: (in the general formula (1), Ris a hydrogen atom, a hydroxy group, a carboxy group, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a sulfonic acid group, or a benzyloxy group, Ris a hydrogen atom, a hydroxy group, or an alkoxy group having 1 to 4 carbon atoms, and Ris represented by the following formula (2)):(in the general formula (2), Ris a hydrogen atom or a methyl group, and Ris a single bond or an alkylene group having 1 to 4 carbon atoms which may have a substituent or substituents.)