Title:
OPTICAL ARTICLE AND METHOD FOR PRODUCING OPTICAL ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/132051
Kind Code:
A1
Abstract:
Provided is an optical article comprising, in this order, the following: a substrate; a primer layer which is formed by curing a polymerizable composition for primer layer formation; and a photochromic layer containing a photochromic compound. The polymerizable composition for primer layer formation comprises component A: polyisocyanate, component B: a hydroxy group-containing polymerizable compound, and component C: a polymerizable compound having a viscosity of 100 cP or less and selected from the group consisting of (meth)acrylate and vinyl ether.
Inventors:
SHIMADA TAKUYA (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
Application Number:
PCT/JP2020/047322
Publication Date:
July 01, 2021
Filing Date:
December 18, 2020
Export Citation:
Assignee:
HOYA LENS THAILAND LTD (TH)
SHIMADA TAKUYA (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
SHIMADA TAKUYA (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
International Classes:
C08F20/10; A42B3/20; A61F9/02; C08F290/06; C08G18/67; G02B5/23; G02C7/10
Domestic Patent References:
| WO2015016313A1 | 2015-02-05 | |||
| WO2017039019A1 | 2017-03-09 | |||
| WO2019189855A1 | 2019-10-03 |
Foreign References:
| JPH07157531A | 1995-06-20 | |||
| JP2014219492A | 2014-11-20 | |||
| JP2014523541A | 2014-09-11 | |||
| JP2018537707A | 2018-12-20 | |||
| JP2005218994A | 2005-08-18 | |||
| US5645767A | 1997-07-08 |
Other References:
See also references of EP 4083079A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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