发明名称 Contact lens treatment
摘要 Hard type contact lenses, such as those made of poly methyl methacrylate, are treated with an aqueous colloidal suspension of a physiologically inert inorganic hydrous oxide to render the lens surfaces wettable by lacrimal fluids thus decreasing eye irritation and increasing wearing comfort.
申请公布号 US4131696(A) 申请公布日期 1978.12.26
申请号 US19770843554 申请日期 1977.10.19
申请人 BURTON, PARSONS AND COMPANY, INC. 发明人 COVINGTON, WILLIAM
分类号 B29D11/00;C08J7/06;(IPC1-7):G02C7/04;G02B1/10 主分类号 B29D11/00
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