Patents by Inventor Larry J. Kern

Larry J. Kern 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: 3981834
    Abstract: A curing composition for green concrete in the form of a water base emulsion exemplified by a composition comprising a film forming resin illustrated by a polydicyclopentadiene, stearic acid as an emulsifying agent, xylene as a solvent for the resin and stearic acid, a non-ionic surfactant to aid in film forming and water clean up, hydroxybutyl methocellulose as a thixotropic agent, water as the carrier medium, ammonia to aid in emulsification, and optionally, titanium dioxide as a pigment. The invention includes the process for making the composition and for treating concrete with the composition.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: September 21, 1976
    Inventors: Larry J. Kern, John D. Webb