Patents by Inventor Robert N. Sachs

Robert N. Sachs 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).

  • Gloss reduction agent for solvent based pigmented coating formulations
    Patent number: 5458920
    Abstract: The invention relates to the use of polybasic acids as gloss reduction agents in the preparation of paint or coating compositions based on hydroxy or phenolic functional resins and also containing an amino crosslinking agent and a pigment. Cured coatings exhibiting good flexibility, hardness and solvent resistance, as well as reduced or controllable gloss are obtained.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: October 17, 1995
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Albert I. Yezrielev, William E. Wellman, Ralph M. Kowalik, Robert N. Sachs