Patents by Inventor John C. McCarty

John C. McCarty 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).

  • Powdered elastomers and process therefor
    Patent number: 4298654
    Abstract: A powdered, free-flowing elastomer is prepared by mixing, in a preferred embodiment, a nitrile latex with sodium carboxymethylcellulose until the mixture thickens, adding the latex mixture to a coagulant solution with agitation, also adding polyvinyl chloride coating latex to the coagulant solution, filtering the liquid, drying the filter cake, and recovering the product having an average particle size of less than about 1 millimeter. During coagulation, the cellulose salt is converted to the insoluble aluminum CMC gel.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: November 3, 1981
    Assignee: The B. F. Goodrich Company
    Inventors: John C. McCarty, Terrence E. Wagner