Patents by Inventor Russell O. Menke

Russell O. Menke 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).

  • Scale-inhibiting compositions of matter
    Patent number: 4416785
    Abstract: Compositions which will inhibit the formation of scale due to calcium carbonate precipitation in recirculating water systems will comprise a mixture of polyvinylpyrrolidone and aminotri(methylenephosphonic acid). The compositions will be present in the water system in a range of from about 2 to about 25 ppm of said system and will contain the components of the composition in a mole ratio in the range of from about 1: to about 1:10 moles of polyvinylpyrrolidone per mole of phosphonic acid.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: November 22, 1983
    Assignee: UOP Inc.
    Inventors: Russell O. Menke, Michael Bortnik
  • Azole-phosphate corrosion inhibiting composition and method
    Patent number: 4134959
    Abstract: The invention disclosed provides a new composition and method for inhibiting corrosion. The present composition is relatively non-toxic, contains no chromates and zinc, and consists essentially of an azole and a water-soluble phosphate in an effective combination. Effective amounts of the corrosion inhibiting composition are used to provide corrosion protection in both ferrous and non-ferrous metals.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: January 16, 1979
    Assignee: Chemed Corporation
    Inventors: Russell O. Menke, Jose T. Jacob, Chih M. Hwa