Patents by Inventor Joel Jeffry Gummeson

Joel Jeffry Gummeson 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: 6117829
    Abstract: An essentially non-aqueous cleaning composition and method for using this composition to remove chemicals from substrates, the composition comprising a dibasic ester and a thickening agent which is soluble, swellable or dispersible in said dibasic ester and wherein said thickening agent is present in an amount such that said composition has a numerical ratio of viscosity unsheared to viscosity under shear of at least about 3:1.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: September 12, 2000
    Assignee: Solutia Inc.
    Inventors: Iris Margarita Diaz, Joel Jeffry Gummeson, Frank Peter Jakse, Terry Calvin Wolfe
  • Patent number: 5672579
    Abstract: A cleaning solution consisting essentially of dimethyl ester, water and one or more organic solvents completely miscible at 23.degree. C. with dimethyl ester and water, said water present at at least ten weight percent based on the weight of solution components.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: September 30, 1997
    Assignee: Monsanto Company
    Inventors: Iris Margarita Diaz, Joel Jeffry Gummeson, Mark Weir Heininger