Patents by Inventor John M. Plutar

John M. Plutar 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).

  • Desizing glass fabric with sodium carbonate peroxide desizing solutions
    Patent number: 3990908
    Abstract: Desizing glass fabric by dampening sized glass fabric with an aqueous desizing solution containing 1.0 to 18.0 g/l sodium carbonate peroxide to provide about 0.03% to about 0.50% sodium carbonate peroxide on the fabric based on the weight of the dry fabric being dampened, removing the dampened fabric from the aqueous desizing solution heating the dampened fabric, and washing the fabric to remove desizing solution and size.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: November 9, 1976
    Assignee: FMC Corporation
    Inventors: Frank E. Caropreso, John M. Plutar