Patents by Inventor David L. Marcus

David L. Marcus 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).

  • Method for clean-up of blood spills
    Patent number: 4578119
    Abstract: A solid, pulverulent composition for destroying pathogen activity and absorbing liquid when placed in contact with blood spills consists essentially of a chlorine source capable of yielding hypochlorous acid in contact with water, such as calcium hypochlorite, and diatomaceous earth. The composition includes sufficient of the chlorine source to provide an available chlorine level in the composition of at least 5,000 ppm and, preferably, 5,000 to 65,000 ppm.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: March 25, 1986
    Inventors: David L. Marcus, Peter F. Lordi