Patents by Inventor Laura M. Leyrer

Laura M. Leyrer 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).

  • Positive acting photodielectric composition
    Patent number: 6168898
    Abstract: A positive acting, photoimageable composition having, a photoacid generator capable of generating an acid upon exposure to actinic radiation, an organic acid anhydride polymer, an epoxy, a nitrogen-containing curing catalyst, and an optional phenol-containing monomer or polymer. A photographic element has this composition coated and dried on a substrate. A positive acting image is produced by imagewise exposing the element to actinic radiation, optionally postbaking and development with a liquid developer.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: January 2, 2001
    Assignee: Isola Laminate Systems Corp.
    Inventors: Chengzeng Xu, Ming Mei Huang, Laura M. Leyrer