Patents by Inventor Frederick J. Dashley

Frederick J. Dashley 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: 4721120
    Abstract: Smoking articles comprise a smoking material rod wrapped with a paper wrapper including aluminum hydroxide and an organic acid salt of a group I or II metal. The article exhibits at least 30% reductions in visible sidestream smoke when lit.
    Type: Grant
    Filed: September 17, 1986
    Date of Patent: January 26, 1988
    Assignee: British-American Tobacco Company Limited
    Inventors: Colin C. Greig, Richard R. Baker, Frederick J. Dashley, Anthony D. McCormack
  • Patent number: 4624268
    Abstract: A smoking article such as a cigarette comprising a smoking-material rod enwrapped in a wrapper paper with an inherent air permeability of 3 to 45 Coresta units and comprising at least one hydroxide compound and at least one organic compound of the group comprising lithium hydroxide, aluminum hydroxide, calcium hydroxide, potassium formate, sodium formate and sodium acetate, at a total loading level of the compounds of not less than two g/m.sup.2 whereby the total particulate matter (TPM) in the side-stream-smoke emanating from the lit end of said article during the smoking thereof is reduced by at least 30% in relation to the TPM which emanates from the lit end of an otherwise identical smoking article comprising conventional wrapper paper and smoked under the same smoking conditions.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: November 25, 1986
    Assignee: British-American Tobacco Company Limited
    Inventors: Richard R. Baker, Frederick J. Dashley, Anthony D. McCormack, Colin C. Greig
  • Patent number: 4607647
    Abstract: The smoking articles, such as cigarettes, comprise smoking material wrapped in a low side stream wrapper paper incorporating or being coated with a stain resist substance, such as EVA (ethylene vinyl acetate).
    Type: Grant
    Filed: June 11, 1984
    Date of Patent: August 26, 1986
    Assignee: British-American Tobacco Company Limited
    Inventors: Frederick J. Dashley, David J. Dittrich