Title:
SELENIZED TRANSPARENT OPTICAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/1998/037117
Kind Code:
A1
Abstract:
A transparent optical material containing at least one selenium atom; a plastic lens made of the optical material; processes for producing these; and novel selenium compounds useful for producing the transparent optical material and plastic lens and represented by general formula (1), formula (2): (Z?2�) �q? - (SH) �r?, or formula (4): (Z?3�) - (X?2�) s, wherein Y?1� and Z?1� each represents C, S, etc.; X?1� represents a polymerizable functional group such as SH, NCO, or acryloyl; Z�2? represents alkylene containing at least one Se atom; q is an integer of 1 to 20; r is an integer of 3 to 6; Z?3� represents Se or alkylene containing at least one Se atom; X?2� represents a functional group such as (meth)acrylol; and s is an integer of 2 to 6.
Inventors:
OKAZAKI KOJU (JP)
TANAKA MAMORU (JP)
HONMA SHIRO (JP)
MORIJIRI HIROYUKI (JP)
KANEMURA YOSHINOBU (JP)
KUSUMOTO MASAHIKO (JP)
TANAKA MAMORU (JP)
HONMA SHIRO (JP)
MORIJIRI HIROYUKI (JP)
KANEMURA YOSHINOBU (JP)
KUSUMOTO MASAHIKO (JP)
Application Number:
PCT/JP1998/000714
Publication Date:
August 27, 1998
Filing Date:
February 23, 1998
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
OKAZAKI KOJU (JP)
TANAKA MAMORU (JP)
HONMA SHIRO (JP)
MORIJIRI HIROYUKI (JP)
KANEMURA YOSHINOBU (JP)
KUSUMOTO MASAHIKO (JP)
OKAZAKI KOJU (JP)
TANAKA MAMORU (JP)
HONMA SHIRO (JP)
MORIJIRI HIROYUKI (JP)
KANEMURA YOSHINOBU (JP)
KUSUMOTO MASAHIKO (JP)
International Classes:
C07C391/00; C07D331/02; C07D345/00; C07D421/14; C08F30/00; C08G18/38; C08G18/76; C08G18/77; C08G75/02; C08G75/04; C08G75/045; G02B1/04; (IPC1-7): C08G18/78; C07C391/00; C07D345/00; C08F30/00; C08G18/38; C08G18/40; C08G75/02; C08G79/00; G02B1/04
Foreign References:
JPH0920770A | 1997-01-21 | |||
JPH03166203A | 1991-07-18 |
Other References:
See also references of EP 0896972A4
Attorney, Agent or Firm:
Wakabayashi, Tadashi (8th floor 9-20, Akasaka 1-chom, Minato-ku Tokyo, JP)
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