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Priority claimed from US06/809,695external-prioritypatent/US4665123A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Priority claimed from EP86110372Aexternal-prioritypatent/EP0216074B1/de
Application grantedgrantedCritical
Publication of ATE90699T1publicationCriticalpatent/ATE90699T1/de
Polyvinyl alcohol derivatives containing pendant (meth)acryloylvinylic monomer reaction product units bound through urethane groups and hydrogel contact lenses made therefrom