Patents by Inventor Stuart M. Ellerstein

Stuart M. Ellerstein 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).

  • Patent number: 4789625
    Abstract: Compositions comprising an impermeable acrylate-terminated oligomer, a reactive diluent, and 2-hydroxycyclohexylphenone, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, or diethoxyacetophenone as a photoinitiator, are disclosed. These compositions have utility in optical coatings and electrical insulation.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: December 6, 1988
    Assignee: Morton Thiokol, Inc.
    Inventors: Stuart M. Ellerstein, San A. Lee
  • Patent number: 4786586
    Abstract: Compositions comprising an impermeable acrylate-terminated oligomer, at least one reactive diluent, and alpha-hydroxycyclohexylphenyl ketone, diethoxyacetophenone, 1-(4-dodecylphenyl)-2-hydroxy-2-methylpropan-1-one, or 2-hydroxy-2-methyl-1-phenylpropan-1-one as a photoinitiator, are disclosed. These compositions have utility in optical coatings.
    Type: Grant
    Filed: February 12, 1987
    Date of Patent: November 22, 1988
    Assignee: Morton Thiokol, Inc.
    Inventors: San A. Lee, Stuart M. Ellerstein
  • Patent number: 4190625
    Abstract: Polysulfide rubber formulations that become fluid at elevated temperatures but regain the rubbery state upon cooling are disclosed. The products possess a lower permanent set at room temperature and process more easily, particularly in extrusion processes, at elevated temperatures.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: February 26, 1980
    Assignee: Thiokol Corporation
    Inventor: Stuart M. Ellerstein