Polymerizable dye and ophthalmic lens containing the same

Details Polymerizable dye and ophthalmic lens containing the same Polymerizable dye and ophthalmic lens containing the same

2006-03-03

2010-02-16

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S683000, C351S163000

Reexamination Certificate

active

07662937

ABSTRACT:
A novel benzophenone type polymerizable dye containing a urethane bond and an ophthalmic lens containing the said polymerizable dye are disclosed. The benzophenone type polymerizable dye is shown by the following general formula (1)(wherein R1and R2are respectively and independently a hydrogen atom, a hydroxyl group, a carboxylic group, a C1 to C8 alkyl group, a C1 to C8 alkoxy group, a sulfonic acid group or a benzyloxy group, and m and n are respectively and independently an integer of 0 to 18. R3is any of a polymerizable functional group of a vinyl group, an acryloyl group or a methacryloyl group).

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International Preliminary Report on Patentability; International application No. PCT/JP2006/304092; International filing date: Mar. 3, 2006, Report issued Oct. 9, 2007.
Written Opinion of the International Searching Authority; International Application No. PCT/JP2006/304092; International filing date: Mar. 3, 2006.
International Search Report; International application No. PCT/JP2006/304092; Date of Mailing: Apr. 25, 2006.

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