Patents by Inventor David Eugene Sweet

David Eugene Sweet 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).

  • Aqueous, essentially voc-free adhesive epoxy primer
    Patent number: 5641818
    Abstract: Aqueous primer compositions containing substantially no volatile organic solvents, suitable for promoting the bonding of a metal adherend to a second adherend, are prepared by dispersing one or more solid epoxy resins and a solid curing agent into water such that the particle sizes of the solids are less than 30 .mu.m. The primer compositions are environmentally superior to solvent based primers without loss of physical properties, are storage stable, and exhibit excellent solvent resistance.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: June 24, 1997
    Assignee: Cytec Technology Corp.
    Inventor: David Eugene Sweet