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Patent Searching and Data


Title:
POLYMER AND RESIN COMPOSITION FOR OPTICAL LENS
Document Type and Number:
WIPO Patent Application WO/2023/223670
Kind Code:
A1
Abstract:
Provided is a polymer which has both a high refractive index and excellent lens moldability and contains a structural unit represented by formula (1) (however, a structural unit represented by formula (1a) is excluded). (In the formula, X each independently represents a methyl group, an ethyl group, a methoxy group, an ethoxy group or a hydroxy group, and n represents an integer of 1-6.)

Inventors:
IMAI SHOTA (JP)
ADACHI ISAO (JP)
KATO TAKU (JP)
KAMIYAMA TOSHIHIKO (JP)
SAKAGUCHI TAKAHIRO (JP)
Application Number:
PCT/JP2023/011733
Publication Date:
November 23, 2023
Filing Date:
March 24, 2023
Export Citation:
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Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
C08G75/0227; C08K5/00; C08L63/00; C08L81/02; G02B1/04; G02B3/00
Foreign References:
JPH0570593A1993-03-23
JPH0948853A1997-02-18
CN114181360A2022-03-15
Attorney, Agent or Firm:
PATENT ATTORNEY CORPORATION EI-MEI PATENT OFFICE (JP)
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