Patents by Inventor Roy P. Kirchner

Roy P. Kirchner 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).

  • Method and composition for treating wood with pentachlorophenol
    Patent number: 4296152
    Abstract: A composition for impregnating wood with pentachlorophenol is prepared by dissolving pentachlorophenol in a petroleum fraction at least 50% of which will distill above 485.degree. F., and mixing the resulting solution with water to produce a finely divided dispersion of the solution in water.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: October 20, 1981
    Assignee: Idacon, Inc.
    Inventor: Roy P. Kirchner
  • Method and composition for treating wood with pentachlorophenol
    Patent number: RE33121
    Abstract: A composition for impregnating wood with pentachlorophenol is prepared by dissolving pentachlorophenol in .[.a petroleum fraction.]. .Iadd.an organic solvent .Iaddend.at least 50% of which will distill above 485.degree. F., and mixing the resulting solution with water to produce a finely divided dispersion of the solution in water.
    Type: Grant
    Filed: November 5, 1982
    Date of Patent: November 28, 1989
    Assignee: Idacon, Inc.
    Inventor: Roy P. Kirchner