Patents by Inventor Charles Earnest Silk, deceased

Charles Earnest Silk, deceased 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).

  • Nitrocellulose lacquer with surfactant
    Patent number: 4018637
    Abstract: A nitrocellulose-containing lacquer for producing a smokeless powder propellant, which lacquer includes nitrocellulose, a solvent for the nitrocellulose, water, and a surfactant for preventing the water from forming discrete globules in the lacquer.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: April 19, 1977
    Assignee: Olin Corporation
    Inventors: Earl J. Kimmel, Charles Earnest Silk, deceased