Title:
【発明の名称】イソシアナート化合物及びそれを用いた含硫ウレタン系樹脂及びレンズ
Document Type and Number:
Japanese Patent JP2854944
Kind Code:
B2
More Like This:
| JP4954324 | How to manufacture spectacle lenses |
| JP2023022149 | OPTICAL MEMBER |
Inventors:
KOBAYASHI SEIICHI
SASAGAWA KATSUYOSHI
KANEMURA YOSHINOBU
SASAGAWA KATSUYOSHI
KANEMURA YOSHINOBU
Application Number:
JP23439090A
Publication Date:
February 10, 1999
Filing Date:
September 06, 1990
Export Citation:
Assignee:
MITSUI KAGAKU KK
International Classes:
G02C7/02; C07C323/25; C08G18/77; G02B1/04; (IPC1-7): C07C323/25; C08G18/77; G02B1/04; G02C7/02