Title: Urea and urethane monomers for contact lens materials
Application Number: 94194532 Application Date: 1994.12.16
Publication Number: 1137790 Publication Date: 1996.12.10
Approval Pub. Date: 2002.01.30 Granted Pub. Date: 2002.01.30
International Classifi-cation: C07C271/24;C07C275/26;C08F22/22
Applicant(s) Name: Bausch Address:
Inventor(s) Name: Lai Yu-Chin
Attorney & Agent: LIU GUOPING
Abstract:
    Urea- and urethane-containing monomers selected from compounds of general formula (I) or (II), wherein each X is independently -O- or -NH-, for contact lens materials are disclosed.
Time: 9
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