Patents by Inventor Ronald Calvin Terry

Ronald Calvin Terry 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).

  • Sunblocking polymers and their formulation
    Patent number: 5741924
    Abstract: Novel polymeric compositions and their intermediates are provided, providing for broad range protection from ultraviolet radiation. Acryl polymers comprising at least two different ultraviolet absorbing moieties having different light absorbing ranges are employed in conjunction with another hydrophilic monomer to provide sunscreen formulations for invisibility, and enhanced protection, without deleterious effects in the dermis.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: April 21, 1998
    Assignee: Biophysica Inc.
    Inventors: Milos Sovak, Ronald Calvin Terry, James Gordon Douglass, III, Farid Bakir