Patents by Inventor Wilfred M. Pinto

Wilfred M. Pinto 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).

  • Patent number: 3979345
    Abstract: Friable compositions suitable for use as extrusion aids in polymeric extrusion formulations are prepared by a process which comprises mixing a paraffinic hydrocarbon wax and calcium salt of a fatty acid while heating to a temperature of at least 160.degree.C and thereafter cooling to recover a solid, glass-like, friable composition, said paraffinic hydrocarbon wax having a drop melting point of at least 110.degree.F, an oil content of not greater than 50 percent by weight and a needle penetration value at 77.degree.F in the range of 1 mm to 20 mm, and said fatty acid being a C.sub.16 -C.sub.24 aliphatic hydrocarbon monocarboxylic acid or mixtures thereof.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: September 7, 1976
    Assignee: Continental Oil Company
    Inventors: James E. Yates, Wilfred M. Pinto