Patents by Inventor Gary A. Bernard

Gary A. Bernard 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).

  • Alkoxylated diquaternary ammonium compounds
    Patent number: 4419140
    Abstract: Asphalt emulsifying compositions comprising alkoxylated diquaternary ammonium compounds, the cationic portion of the compound preferably including aliphatic radicals containing from about 12 to about 18 carbon atoms. The compounds may be prepared by treating either a diamine or an alkoxylated diamine with an alkylene oxide in a preferred ratio of 1:8. The emulsion most suitably effected by the present compounds will preferably have a size of less than 10 microns.
    Type: Grant
    Filed: May 8, 1981
    Date of Patent: December 6, 1983
    Assignee: Akzona Incorporated
    Inventors: James M. Richmond, Richard A. Reck, Gary A. Bernard
  • Alkoxylated diquaternary ammonium compounds
    Patent number: 4313895
    Abstract: Asphalt emulsifying compositions comprising alkoxylated diquaternary ammonium compounds, the cationic portion of the compound preferably including aliphatic radicals containing from about 12 to about 18 carbon atoms. The compounds may be prepared by treating either a diamine or an alkoxylated diamine with an alkylene oxide in a preferred ratio of 1:8. The emulsion most suitably effected by the present compounds will preferably have a size of less than 10 microns.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: February 2, 1982
    Assignee: Akzona Incorporated
    Inventors: James M. Richmond, Richard A. Reck, Gary A. Bernard