Patents by Inventor Mark L. Gruss

Mark L. Gruss 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).

  • Wood finish remover
    Patent number: 3979219
    Abstract: An acidic wood finish remover formulation which consists essentially of a mixture of hydroxyacetic acid in methylene chloride solution. A vapor pressure depressant is present, such as paraffin and a solubilizer for the wax, such as toluene is present. An anionic detergent consisting essentially of linear alkyl benzene sulfonic acid is utilized as well as a corrosion inhibiter for permitting retention of the material in metal storage vessels.
    Type: Grant
    Filed: March 6, 1975
    Date of Patent: September 7, 1976
    Assignee: Fremont Industries, Inc.
    Inventors: Edward H. Chang, William V. Block, Mark L. Gruss