Document Type and Number:
Japanese Patent JPH0239761
Kind Code:
B2
Abstract:
Plastic lens comprising a copolymer of diethylene glycol bisallyl carbonate, benzyl methacrylate, and diallyl isophthalate, which has a refractive index of a least 1.54, forms no clouding and no cords, and shows good physical and chemical properties as lens for spectacles.
Inventors:
TARUMI JIRO
KOMYA SHIGEO
SUGIMURA MITSUO
KOMYA SHIGEO
SUGIMURA MITSUO
Application Number:
JP9765681A
Publication Date:
September 07, 1990
Filing Date:
June 24, 1981
Export Citation:
Assignee:
HOYA CORP
International Classes:
C08F18/00; C08F18/14; C08F18/18; C08F20/00; C08F20/10; C08F218/16; G02B1/04; G02C7/00
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