发明名称 |
METHOD FOR COLOURING FLEXIBLE HYDROPHILIC CONTACT LENSES |
摘要 |
The invention concerns a method which consists in contacting the contact lens with an aqueous solution containing a solvent for swelling the polymer material forming the lens, and a colouring agent selected among the azoic complex chromium salts and their mixtures and in removing the lens from the solution. The invention is useful for producing brown coloured contact lenses.
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申请公布号 |
WO0045198(A1) |
申请公布日期 |
2000.08.03 |
申请号 |
WO2000FR00102 |
申请日期 |
2000.01.19 |
申请人 |
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D'OPTIQUE;GROLLIER, CORINNE |
发明人 |
GROLLIER, CORINNE |
分类号 |
G02C7/04;B29D11/00;C08J7/02;D06P3/00;D06P5/00;G02B1/04;(IPC1-7):G02B1/04 |
主分类号 |
G02C7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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