Patents by Inventor William L. DiMenna

William L. DiMenna 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).

  • Polyimides for use as high refractive index, thin film materials
    Patent number: 7192999
    Abstract: New compositions for use as high refractive index layers are provided. The compositions comprise a polyimide dispersed or dissolved in a solvent system. The polyimide can be prepared from commercially available dianhydrides and diamines. Preferred polymer include recurring monomers selected from the group consisting of The inventive compositions can form strong, thin films and have high refractive indices making them useful in a wide range of optical applications.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: March 20, 2007
    Assignee: Brewer Science Inc.
    Inventors: Ramil-Marcelo L. Mercado, William L. DiMenna