Patents by Inventor Hal E. Guess

Hal E. Guess 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).

  • Cigarette and paper wrapper therefor
    Patent number: 5060675
    Abstract: Cigarettes which yield low levels of visible sidestream smoke upon use employ a paper wrapping material having about 30 weight percent calcium carbonate and about 70 weight percent flax. The paper wrapper includes a coating or a film of polymeric material and an organic filler material. A preferred polymeric material is nitrocellulose, and a preferred inorganic filler material of the coating is particulate magnesium hydroxide. The coating weighs about 0.05 to about 0.5 pound per 3,000 square feet of wrapping material.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: October 29, 1991
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Ellen C. Milford, Hal E. Guess, Paul S. Chapman, Rebakah S. Dunn, Patricia F. Perfetti
  • Smoking article having reduced sidestream smoke
    Patent number: 4561454
    Abstract: The sidestream smoke emanated by a smoking article, such as a cigarette, can be significantly reduced by constructing the smoking article with a double wrapper, one of the wrappers having alkali metal salt burning additives in an amount in the range from about 9 to 20% by weight. A commercially feasible reduced sidestream cigarette can be produced according to this invention, having both wrappers made from a low-porosity flax base, with the inner wrapper containing 11% and the outer wrapper 6% potassium citrate.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: December 31, 1985
    Assignee: R. J. Reynolds Tobacco
    Inventor: Hal E. Guess