Title:
LIGHT-ABSORPTIVE COMPOSITION, LIGHT-ABSORBING FILM, LIGHT-ABSORBING FILM MANUFACTURING METHOD, AND OPTICAL FILTER
Document Type and Number:
WIPO Patent Application WO/2022/239590
Kind Code:
A1
Abstract:
A light-absorptive composition according to the present invention contains: an ultraviolet absorbing agent having a hydroxy group and a carbonyl group in the molecule; and metal components. At least a portion of the metal components is bound to an organic oxy group.
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Inventors:
KUBO YUICHIRO (JP)
TAKAYANAGI YOSHIHIRO (JP)
TAKAYANAGI YOSHIHIRO (JP)
Application Number:
PCT/JP2022/017540
Publication Date:
November 17, 2022
Filing Date:
April 11, 2022
Export Citation:
Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
G02B5/22
Domestic Patent References:
| WO2020129930A1 | 2020-06-25 |
Foreign References:
| JP2021006600A | 2021-01-21 | |||
| JP2003107202A | 2003-04-09 | |||
| JP2020154320A | 2020-09-24 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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