Patents Assigned to Hoechst Celanese Corporaton
  • Patent number: 4757130
    Abstract: This invention provides novel condensation polymers with pendant side chains which exhibit nonlinear optical response. The polymers have utility as a transparent optical component of optical switch or light modulator devices.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: July 12, 1988
    Assignee: Hoechst Celanese Corporaton
    Inventor: Ronald N. DeMartino