Patents Assigned to U.A. Philips Corporation
  • Replica lens having a glass lens body
    Patent number: 4844594
    Abstract: A replica lens having a glass lens body 1 and a cured layer 2 of a synthetic resin composition provided thereon in which the refractive indices n.sub.1, n.sub.2 of the glass lens body and the synthetic resin composition, respectively, as well as the shrinkage factor k of the synthetic resin composition upon curing thereof satisfy the relationship n.sub.1 =n.sub.2 (1-k)+k.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: July 4, 1989
    Assignee: U.A. Philips Corporation
    Inventor: Robert G. Gossink