Patents Examined by M. Lusignan
  • 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