Patents by Inventor Joseph Howanitz

Joseph Howanitz 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).

  • Hard surface acid cleaner and brightener
    Patent number: 3993575
    Abstract: An acid cleaner and brightener concentrate composition comprising a dicarboxylic acid, an amine and water having a pH of about 1 to about 3 is useful in removal of tenacious soil, such as tarnish, discoloration, corrosion and oxidation products from vehicles, such as railroad rolling stock, without subsequent harm to surfaces, including coated polycarbonate glass substitute.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: November 23, 1976
    Assignee: Fine Organics Inc.
    Inventors: Joseph Howanitz, Irwin Greenberg