Patents by Inventor Leo L. Timms

Leo L. Timms 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: 5942239
    Abstract: A polyether polyurethane/benzoin skin protectant is described which further includes a fast drying solvent. The skin protectant may optionally include a germicidal agent and/or a dye for better visualization of the protectant on the skin. The skin protectant provides a dry film that is elastic, vapor permeable, water proof, dirt proof, insect proof, aerobic bacteriostatic, and adheres well under environmental conditions. Apparent application viscosity can be adjusted as required for specific needs.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: August 24, 1999
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Carl A. Huprich, Leo L. Timms, Thomas C. Hemling
  • Patent number: 5688498
    Abstract: Solutions of polyether polyurethane with benzoin gum in tetrahydrafuran applied to animal skin provide dry films that are elastic, vapor permeable, water proof, dirt proof, insect proof, aerobic bacteriostatic and adhere well under environmental conditions. Apparent application viscosity can be adjusted as required for specific needs.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: November 18, 1997
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Carl A. Huprich, Leo L. Timms