Patents by Inventor Henry F. Lederle

Henry F. Lederle 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).

  • Use of poly(oxyalkylated) hydrazines as corrosion inhibitors
    Patent number: 4317741
    Abstract: Disclosed are selected poly(oxyalkylated) hydrazines of the formula: ##STR1## wherein R is selected from hydrogen, lower alkyl groups having from 1 to 4 carbon atoms, phenyl and mixtures thereof; and the sum of w, x, y, and z is from about 4 to about 20. These compounds are shown to be effective corrosion inhibitors for hydraulic fluids.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: March 2, 1982
    Assignee: Olin Corporation
    Inventors: Henry F. Lederle, Frank J. Milnes
  • Silicate-based surfactant composition
    Patent number: 3976675
    Abstract: A novel silicate-based surfactant composition is prepared by a selective process involving (1) reaction of silicon tetrahalide with water and alcohol followed by (2) transesterification with a polyether alcohol. The resulting surfactant composition is utilized as a stabilizer in the production of polyurethane foam.
    Type: Grant
    Filed: November 19, 1974
    Date of Patent: August 24, 1976
    Assignee: Olin Corporation
    Inventors: Robert N. Scott, Henry F. Lederle, Frank J. Milnes, Maurice A. Raymond