Patents by Inventor Duane E. Weisshaar

Duane E. Weisshaar 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).

  • Electrochemical method of controlling thiolate coverage on a conductive substrate such as gold
    Patent number: 5827417
    Abstract: An electrochemical method for forming a partial monomolecular layer of a predetermined extent of coverage of a thiolate of the formula, XRS--, therein R can be a linear or branched chain hydrocarbon or an aromatic or the like and X can be any compatible end group, e.g., OH, COOH, CH.sub.3 or the like, upon a substrate such as gold, which involves applying in an electrochemical system a constant voltage preselected to yield the desired predetermined extent of coverage.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: October 27, 1998
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Marc D. Porter, Duane E. Weisshaar
  • Electrochemical method of controlling thiolate coverage on a conductive substrate such as gold
    Patent number: 5635047
    Abstract: An electrochemical method for forming a partial monomolecular layer of a predetermined extent of coverage of a thiolate of the formula, XRS.sup.-, wherein R can be a linear or branched chain hydrocarbon or an aromatic or the like and X can be any compatible end group, e.g., OH, COOH, CH.sub.3 or the like, upon a substrate such as gold, which involves applying in an electrochemical system a constant voltage preselected to yield the desired predetermined extent of coverage.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: June 3, 1997
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Marc D. Porter, Duane E. Weisshaar