Patents by Inventor Salvatore A. Malagreca

Salvatore A. Malagreca 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).

  • Hydrophilic polymer blend
    Patent number: 4642267
    Abstract: A hydrophilic polymer blend is disclosed which comprises a first polymer component which is an organic solvent-soluble, thermoplastic polyurethane and a second polymer component which is a hydrophilic poly(N-vinyl lactam), e.g., a water soluble polyvinylpyrrolidone. The blend demonstrates slipperiness is aqueous environments and, among other applications, is useful in low-friction coatings for a wide variety of substrates.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: February 10, 1987
    Assignee: Hydromer, Inc.
    Inventors: Walter S. Creasy, Donald H. Lorenz, Robert G. LaCasse, Salvatore A. Malagreca