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Patent Searching and Data


Title:
POLYMERIZABLE COMPOSITION AND CONTACT LENS
Document Type and Number:
WIPO Patent Application WO/2020/111170
Kind Code:
A1
Abstract:
A polymerizable composition which contains an ultraviolet absorbent that is represented by general formula (I), a coloring agent that has a maximum absorption wavelength of 400 nm or more but less than 450 nm, and a polymerizable compound; and a contact lens. In general formula (I), R11 represents an aliphatic group, an aromatic group, or a heterocyclic group having a carbon atom that is bonded to an adjacent oxygen atom; each of R12, R13, R14, R15 and R16 independently represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group having a carbon atom that is bonded to an adjacent oxygen atom; and Y11 represents an electron-withdrawing group. Incidentally, R12 and R13, R13 and R15, R15 and Y11, Y11 and R11, Y11 and R21, R11 and R14, R21 and R14, R14 and R16, and R16 and R12 may respectively combine with each other to form a ring.

Inventors:
OMOTO MAKOTO (JP)
Application Number:
PCT/JP2019/046522
Publication Date:
June 04, 2020
Filing Date:
November 28, 2019
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
C08F2/44; C08F20/28; G02B1/04; G02C7/04
Domestic Patent References:
WO2014119042A12014-08-07
WO2018123267A12018-07-05
WO2017169370A12017-10-05
WO2018207843A12018-11-15
Foreign References:
JP2017119700A2017-07-06
JP2009067973A2009-04-02
JP2013254047A2013-12-19
JP2015206011A2015-11-19
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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