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Title:
LENS
Document Type and Number:
Japanese Patent JPS5275340
Kind Code:
A
Abstract:

PURPOSE: To obtain a defrosting lens of highly commercial value by making a permanently hydrophilic lens by kneading diethylene glycol bis (allyl carbonate) monomer with acrylic acid or its specific ester followed by molding and polymerization.


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Inventors:
GOTOUDA NOBORU
Application Number:
JP15151175A
Publication Date:
June 24, 1977
Filing Date:
December 18, 1975
Export Citation:
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Assignee:
SUWA SEIKOSHA KK
International Classes:
G02C7/02; A63B33/00; G02B1/04; (IPC1-7): G02B1/04; G02C7/02



 
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