Patents by Inventor Nancy Znidarsic

Nancy Znidarsic 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).

  • Rust preventives
    Patent number: 4592783
    Abstract: Rust preventives are provided comprising divalent metal salts of the formula: ##STR1## wherein the R groups are independently selected from methyl, hydrogen, and decyl of the formula: ##STR2## wherein n=0 to 3; and wherein from two to three R groups are decyl, zero to two R groups are methyl, and zero to two R groups are hydrogen; and M is a divalent metal selected from Mg, Ca, Ba, and Zn. Useful intermediates for preparing the said rust preventives are also provided.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: June 3, 1986
    Assignee: Koppers Company, Inc.
    Inventors: Hans Dressler, Samuel N. Holter, Nancy Znidarsic