Title:
天然発色団およびその誘導体を含む光フィルター
Document Type and Number:
Japanese Patent JP5390409
Kind Code:
B2
Abstract:
A composition comprising a polymer backbone and at least one side group, wherein the side group comprises a benzene ring-based chromophore comprising a ketone at the 1-position, a substituted or unsubstituted amino group at the 2-position, and an oxygen atom at the 3-position of the benzene ring having the following formula: wherein R1 is H, an alkyl group, or comprises an amino acid moiety or derivative thereof; R2 and R3 are individually H, alkyl, or any moiety with a vinyl functionality; R4 is an alkyl group, any moiety with a vinyl functionality, a counterpart alkyl²ne group, or a sugar moiety; and X is an optional electron-donating group linked to the benzene ring at the 4, 5, or 6 position. The chromophore is a kynurenine-based compound. Methods of making and using the composition are also provided. The composition can be used in an ophthalmic lens or device for protecting the retina by blocking UV rays and filtering violet rays.
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Inventors:
Ben's Patrick H.
Orus Joseph A.
Orus Joseph A.
Application Number:
JP2009552844A
Publication Date:
January 15, 2014
Filing Date:
March 04, 2008
Export Citation:
Assignee:
Benz Research and Development Corporation
International Classes:
C08F20/36; A61L27/00; C07C225/22; G02B1/04; G02B5/22; G02C7/00
Domestic Patent References:
| JP10228113A | ||||
| JP6157579A | ||||
| JP2005272413A | ||||
| JP2007106745A | ||||
| JP2007503023A |
Foreign References:
| WO2005014677A1 | ||||
| US20060293350 |
Attorney, Agent or Firm:
Hatsushi Shimizu
Masao Haruna
Hirotaka Yamaguchi
Toshi Gobe
Ryuichi Inoue
Toshimitsu Sato
Koichi Niimi
Tomohiko Kobayashi
Shinichi Watanabe
Masato Ozeki
Kazuya Kawamoto
Masao Haruna
Hirotaka Yamaguchi
Toshi Gobe
Ryuichi Inoue
Toshimitsu Sato
Koichi Niimi
Tomohiko Kobayashi
Shinichi Watanabe
Masato Ozeki
Kazuya Kawamoto