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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)
Application Number:
PCT/JP1998/000714
Publication Date:
August 27, 1998
Filing Date:
February 23, 1998
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (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:
JPH0920770A1997-01-21
JPH03166203A1991-07-18
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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