Patents by Inventor Paul R. Perkins

Paul R. Perkins 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).

  • Smoking product
    Patent number: 4142535
    Abstract: A smoking product comprising tobacco including as a film-forming or binding agent a pectin having a degree of methylation between 30% and 75% and an inherent viscosity between 2 and 6.5 deciliters per gram.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: March 6, 1979
    Assignee: Imperial Group Limited
    Inventors: Paul R. Perkins, Christopher R. Bale