Patents by Inventor J. Barry Hawkes, Jr.

J. Barry Hawkes, Jr. 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).

  • Microwave curing of latex-based compositions
    Patent number: 4554347
    Abstract: A method of providing cured latex-based compositions is disclosed which permits in situ curing of latexes disposed in plastic container closures or other heat sensitive receptacles without adverse effect on the closure or receptacle. The method comprises heating a fluid latex composition to gel the latex and effect removal of at least a portion of the water initially contained therein and subjecting the resultant composition to modulated microwave energy to effect curing thereof. Modulation of the microwave energy is achieved by applying same in an intermittent or pulsed fashion. The method is of particular interest for the in situ formation of cured latex-based gaskets in polyalkylene container closures.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: November 19, 1985
    Assignee: W. R. Grace & Co.
    Inventor: J. Barry Hawkes, Jr.
  • Microwave curing of latex-based compositions
    Patent number: 4499036
    Abstract: A method of providing cured latex-based compositions is disclosed which permits in situ curing of latexes disposed in plastic container closures or other heat sensitive receptacles without adverse effect on the closure or receptacle. The method comprises heating a fluid latex composition to gel the latex and effect removal of at least a portion of the water initially contained therein and subjecting the resultant composition to modulated microwave energy to effect curing thereof. Modulation of the microwave energy is achieved by applying same in an intermittent or pulsed fashion. The method is of particular interest for the in situ formation of cured latex-based gaskets in polyalkylene container closures.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: February 12, 1985
    Assignee: W. R. Grace & Co.
    Inventor: J. Barry Hawkes, Jr.