Patents by Inventor Richard Douglas Chumney, Jr.

Richard Douglas Chumney, Jr. 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: 4094323
    Abstract: The method of making expanded and fiberized tobacco stem and stalk materials having increased filling capacity and suitable for use as filler in smoking articles comprising conditioning said stem material by adjusting the moisture content to a level of at least about 10% to about 50% by weight while maintained at a temperature of about to C. and a pressure of about 10 to 100 psig for a period of from about 0.1 to 5 minutes and mechanically fiberizing the thus treated stem material while it is under a pressure of about 10 to 100 psig between fiberizing surfaces maintained from about 0.05 to 0.3 inch apart. The invention also includes smoking articles made from such expanded stem material having increased filling capacity and lowered "tar" and nicotine.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: June 13, 1978
    Assignee: American Brands, Inc.
    Inventors: Thomas Cecil Frazier, John Thomas Ashworth, Richard Douglas Chumney, Jr., Rene Wilhelm Meyre