Title:
NOVEL POLYMERIZABLE DYE AND OPHTHALMIC LENS CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2006/112173
Kind Code:
A1
Abstract:
A novel benzophenone type polymerizable dye having a urethane bond; a process for producing the same; and an ophthalmic lens material containing the polymerizable dye. There are provided benzophenone type polymerizable dyes of the general formula: (1) wherein each of R1 and R2 independently is a hydrogen atom, hydroxyl, carboxyl, a C1-C8 alkyl, a C1-C8 alkoxyl, sulfonate or benzyloxy; each of m and n independently is an integer of 0 to 18; and R3 is a polymerizable functional group selected from among vinyl, acryloyl and methacryloyl.
Inventors:
SATAKE KOHSUKE (JP)
NIWA KAZUHARU (JP)
NIWA KAZUHARU (JP)
Application Number:
PCT/JP2006/304092
Publication Date:
October 26, 2006
Filing Date:
March 03, 2006
Export Citation:
Assignee:
MENICON CO LTD (JP)
SATAKE KOHSUKE (JP)
NIWA KAZUHARU (JP)
SATAKE KOHSUKE (JP)
NIWA KAZUHARU (JP)
International Classes:
C09B29/12; A61L27/00; C09B43/20; C09B69/10; C09K3/00; G02C7/04
Foreign References:
| JPH02232056A | 1990-09-14 | |||
| JPH0688066A | 1994-03-29 | |||
| JPS6152873A | 1986-03-15 |
Other References:
None
See also references of EP 1867683A4
See also references of EP 1867683A4
Attorney, Agent or Firm:
Asahina, Sohta (2-22 Tanimachi 2-chome, Chuo-k, Osaka-shi Osaka 12, JP)
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