Title:
PLASTIC LENS WITH HIGH REFRACTIVE INDEX
Document Type and Number:
WIPO Patent Application WO/1983/000066
Kind Code:
A1
Abstract:
Plastic lens comprising a copolymer of diethylene glycol bisallyl carbonate, benzyl methacrylate, and diallyl isophthalate, which has a refractive index of at least 1.54, forms no clouding and no cords, and shows good physical and chemical properties as lens for spectacles.
Inventors:
TARUMI NIRO (JP)
KOMIYA SIGEO (JP)
SUGIMURA MITSUO (JP)
KOMIYA SIGEO (JP)
SUGIMURA MITSUO (JP)
Application Number:
PCT/JP1982/000194
Publication Date:
January 06, 1983
Filing Date:
May 26, 1982
Export Citation:
Assignee:
HOYA LENS CORP (JP)
International Classes:
C08F18/14; C08F18/00; C08F18/18; C08F20/00; C08F20/10; C08F218/16; G02B1/04; G02C7/00; (IPC1-7): G02B1/04
Foreign References:
| JPS537787A | 1978-01-24 | |||
| JPH05515118A |
Other References:
See also references of EP 0082204A4
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