Patents by Inventor Walter Anthony DiSalvo

Walter Anthony DiSalvo 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).

  • Preparation of enzyme-containing beads
    Patent number: 4016040
    Abstract: Granular free-flowing non-dusting, spherical enzyme-containing beads for use in detergents are prepared by spraying droplets of a blend consisting essentially of a molten nonionic detergent and an enzyme concentrate from a spray nozzle into cool air in a cooling tower to solidify the droplets and form tiny spherical beads.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: April 5, 1977
    Assignee: Colgate-Palmolive Company
    Inventors: Maung Hla Win, Walter Anthony DiSalvo, Edward Joseph Kenney