Patents by Inventor Elbert C. Jones, Jr.

Elbert C. Jones, 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: 5109876
    Abstract: Cigarettes have a tobacco rod including smokable material circumscribed by a paper wrapper. The paper wrapper includes a cellulosic base web (e.g., flax and/or wood pulp fibers) and particles of at least one inorganic filler material. The inorganic filler material includes particles of agglomerated calcium carbonate particles.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: May 5, 1992
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Rhonda F. Hayden, Elbert C. Jones, Jr.
  • Patent number: 5103844
    Abstract: Cigarettes have a tobacco rod including smokable material circumscribed by a paper wrapper. The paper wrapper includes a cellulosic base web (e.g., flax and/or wood pulp fibers) and particles of at least one inorganic filler material. The inorganic filler material includes calcium sulfate, and normally fibers of calcium sulfate having an aspect ratio of about 30.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: April 14, 1992
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Rhonda F. Hayden, Elbert C. Jones, Jr., Jerry W. Lawson, Richard L. Lehman, Patricia F. Perfetti
  • Patent number: 5074320
    Abstract: Cigarettes have filter elements which have a relatively low efficiency for filtering particulate matter of tobacco smoke and a relatively high pressure drop. Such filter elements are provided by shredding, gathering or pleating a sheet-like web of a paper which has a low air permeability and exhibits a pH above about 9. The paper used to provide the filter material of the filter elements incorporates a magnesium hydroxide filter.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: December 24, 1991
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Elbert C. Jones, Jr., Thomas A. Perfetti