Patents by Inventor Joseph J. Kulig

Joseph J. Kulig has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5405926
    Abstract: This invention provides novel polyethers and polycarbonates which exhibit nonlinear optical response, and which have utility as a transparent optical component in optical light switch and high modulator devices.These polyethers and polycarbonates are the polymerization product of one or more monomers having the formula ##STR1## in which Z is a conjugated heterocyclic substituent having a NO.sub.2 or a CN group. Further, the invention relates to a method of making the polycarbonate by a ring opening polymerization in the presence of an electric field. In a separate embodiment, the invention relates to non-linear optical devices made with these polymers.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: April 11, 1995
    Assignee: The University of Akron
    Inventors: William J. Brittain, Joseph J. Kulig, Collin G. Moore