Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL MATERIAL AND EYEGLASS LENS
Document Type and Number:
WIPO Patent Application WO/2023/229048
Kind Code:
A1
Abstract:
An optical material comprising an organic pigment A comprising a porphyrin-based compound a represented by formula (A1), an organic pigment B comprising a porphyrin-based compound b represented by formula (B1), and a resin. In formula (A1), M represents a cobalt or vanadium oxide, R1 represents a chlorine atom or bromine atom, n represents 1 or 2, and R2 represents a phenyl group or a phenyl group substituted with an aromatic group or 1-7 carbon aliphatic group. In formula (B1), M represents a divalent metal atom, trivalent substituted metal atom, tetravalent substituted metal atom, hydroxylated metal atom, or oxidized metal atom, and R3 and R4 each represent a hydrogen atom, halogen atom, 3-10 carbon aliphatic groups, or aromatic group that may comprise a halogen atom.

Inventors:
ISHIMOTO YURIE (JP)
TAKENAKA MANAMI (JP)
KAWATO NOBUO (JP)
Application Number:
PCT/JP2023/019821
Publication Date:
November 30, 2023
Filing Date:
May 26, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
G02B1/04; C08K5/56; C08L75/04; C08L81/04; C08L101/00; G02C7/10
Domestic Patent References:
WO2021024962A12021-02-11
Foreign References:
JP2011237730A2011-11-24
JP2006321925A2006-11-30
JP2008239592A2008-10-09
JP2019056865A2019-04-11
CN109912607A2019-06-21
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
Download PDF: