PROCESS FOR MANUFACTURING COSMETIC CONTACT LENS Russian patent published in 1994 - IPC

Abstract RU 2008712 C1

FIELD: ophthalmology. SUBSTANCE: for manufacture of contact lens polymeric film is applied to iris surface of contact lens by using polymeric film-forming mixture consisting of nontransparent pigment, organic solvent and copolymer of 2-hydroxyethyl methacrylate, 2-ethoxyethyl methacrylate and acrylic acid in their weight ratio of 88.1: 9.8: 2.1 or 91.5: 8: 0.5, respectively, and hexamethylenediisocyanate or 2,4-toluenediisocyanate, with contact lens made from copolymer of 2-hydroxyethyl methacrylate, 2-ethoxyethyl methacrylate and acrylic acid in their weight ratio of 88.1: 9.8: 2.1 or 91.5: 8: 0.5, respectively. EFFECT: improved quality of contact lens. 2 tbl

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RU 2 008 712 C1

Authors

Samuehl Loshek[Us]

Dates

1994-02-28Published

1986-01-03Filed