Patents by Inventor Brian D. Litke

Brian D. Litke 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).

  • Polyurethane elastomers from HDI prepolymers with reduced content of free HDI monomers
    Publication number: 20030203771
    Abstract: Polyurethane prepolymers with reduced amount of unreacted monomeric hexamethylene 1,6-diisocyanate (HDI) are provided. Also provided are polyurethane elastomers obtained by mixing the polyurethane prepolymers having reduced amount of unreacted monomeric HDI with amine and/or hydroxy chain extenders and durable, resilient, colorfast golf ball covers obtained therefrom. Rolls, wheels and tires obtained from the polyurethane elastomers are also provided.
    Type: Application
    Filed: April 26, 2002
    Publication date: October 30, 2003
    Inventors: Ronald Rosenberg, Zhenya Zhu, Glen C. Proctor, Brian D. Litke