Title:
【発明の名称】コンタクトレンズ材料
Document Type and Number:
Japanese Patent JP2593993
Kind Code:
B2
Abstract:
Cross-linked copolymers which are obtainable by polymerizing a neutral diluent monomer or monomers, a monomer or monomers bearing a center of permanent positive charge, and a bifunctional and/or trifunctional cross-linking agent, are suitable for use in contact lenses. Process for producing them by copolymerization, contact lens material comprising them, contact lenses made of them and processes for producing contact lenses from them.
Inventors:
Bowers, Roderick William Jionathon
Stratoford, Peter William
The Jones, Stephen Allister
Stratoford, Peter William
The Jones, Stephen Allister
Application Number:
JP51713691A
Publication Date:
March 26, 1997
Filing Date:
October 29, 1991
Export Citation:
Assignee:
Biocompatibles Limited
International Classes:
C07F9/09; C07F9/6574; C08F12/00; C08F20/10; C08F20/26; G02C7/04; C08F20/34; C08F26/06; C08F26/10; C08F30/02; C08F212/14; C08F220/18; C08F220/28; C08F220/34; C08F220/36; C08F226/06; C08F226/10; C08F230/02; C08F246/00; G02B1/04; (IPC1-7): C08F220/36; C08F220/18; G02B1/04; G02C7/04
Attorney, Agent or Firm:
Heiyoshi Odashima