| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Hydrophylic O permeable contact lens having front surface that is not to be in contact with the cornea when lens is worn on eye, produced by method - Prepg aq soln contg as a hydrophilicity rendering material 0.05-25% of surfactant whose MW 400-100,000 obtained by chemically bonding using alkali an end amino group of a hydrolyzed collagen to fatty acid chloride - Coating front surface of contact lens with said surfactant, by contacting contact lens with aq soln contg said surfactant - Irradiating said contact lens with UV rays - Drying |
| PATENT PHOTOCOPY | Available on request |
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