Patents by Inventor ALVIN SINGH

ALVIN SINGH 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).

  • FAINTLY-ABSORPTIVE COMPOSITE COATINGS THAT MIMIC COLORED GLASS
    Publication number: 20220228009
    Abstract: Optical products and methods of making them are disclosed, the optical products comprising a polymeric substrate and a composite coating. The composite coating, in turn, comprises: a first layer comprising a polyionic binder, and a second layer comprising insoluble particles that absorb electromagnetic energy and insoluble particles that absorb relatively little visible light. Each of the first layer and the second layer includes a binding group component which together form a complimentary binding group pair.
    Type: Application
    Filed: June 11, 2020
    Publication date: July 21, 2022
    Applicant: SOUTHWALL TECHNOLOGIES INC.
    Inventors: KEVIN C. KROGMAN, LEE CAMPBELL BOMAN, ALVIN SINGH