Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RESIN COMPOSITION, MOLDED BODY, OPTICAL LENS, AND OPTICAL LENS UNIT
Document Type and Number:
WIPO Patent Application WO/2020/137926
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a novel optical resin that retains favorable optical properties such as high refractive index, and at the same time has superior moldability that prevents molding defects from occurring. This problem is solved by an optical resin composition for lenses that contains a resin having a structural unit represented by formula (1), and a binaphthalene compound and/or a binaphthalene compound oligomer having a structural unit represented by formula (2). A, p, K1, K2, Z, and q in formula (1) are as described in the present specification. R1-R10, a, and b in formula (2) are as described in the present specification.

Inventors:
SUEMATSU MITSUTAKE (JP)
MOTEGI ATSUSHI (JP)
ISHIHARA KENTARO (JP)
NISHIMORI KATSUSHI (JP)
IKEDA SHINYA (JP)
KATO NORIYUKI (JP)
KONDO MITSUTERU (JP)
OSHIMA KENSUKE (JP)
KANDA MASAHIRO (JP)
SUZUKI SHOKO (JP)
OGATA TATSUNOBU (JP)
Application Number:
PCT/JP2019/050233
Publication Date:
July 02, 2020
Filing Date:
December 23, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08K5/12; C08K5/06; C08L65/00; G02B1/04
Domestic Patent References:
WO2016147847A12016-09-22
WO2017078075A12017-05-11
WO2014073496A12014-05-15
WO2016147847A12016-09-22
WO2014073496A12014-05-15
Foreign References:
JP2011037943A2011-02-24
JP2018035228A2018-03-08
JP2018177887A2018-11-15
Other References:
See also references of EP 3904442A4
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
Download PDF: