Title:
PHOTOCHROMIC LENS FOR EYE GLASSES
Document Type and Number:
WIPO Patent Application WO/2012/141306
Kind Code:
A1
Abstract:
[Problem] To provide a photochromic lens for eye glasses, which has a high refractive index and excellent light-controlling properties and has such a constitution that the weight and thickness of the lens can be reduced.
[Solution] Provided is a photochromic lens for eye glasses, which is produced by polymerizing a polymerizable composition prepared by dissolving a photochromic compound in a monomer mixture comprising a first radically polymerizable monomer represented by general formula (I), a second radically polymerizable monomer represented by general formula (II) and divinylbenzene that has a purity of 50% or more and contains a divinylbenzene component and an ethylvinylbenzene component at a total content of 90% or more.
Inventors:
KADOWAKI SHINICHIRO (JP)
Application Number:
PCT/JP2012/060167
Publication Date:
October 18, 2012
Filing Date:
April 13, 2012
Export Citation:
Assignee:
HOYA CORP (JP)
KADOWAKI SHINICHIRO (JP)
KADOWAKI SHINICHIRO (JP)
International Classes:
G02C7/10; C08F2/44; G02B5/23; G02C7/02
Domestic Patent References:
WO2000073365A1 | 2000-12-07 |
Foreign References:
JPH10338869A | 1998-12-22 | |||
JPH05164994A | 1993-06-29 | |||
JP2003048942A | 2003-02-21 | |||
JP2009120536A | 2009-06-04 | |||
JPS61228402A | 1986-10-11 | |||
JPS6210604A | 1987-01-19 | |||
JPH0534649A | 1993-02-12 | |||
JPH08169923A | 1996-07-02 | |||
JPH11508943A | 1999-08-03 | |||
JPH11511765A | 1999-10-12 |
Other References:
See also references of EP 2698664A4
Attorney, Agent or Firm:
Shin-yu International Patent Firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
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