Patents by Inventor Robert Henry Powell

Robert Henry Powell 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).

  • Wrapping materials for smoking articles
    Patent number: 6997190
    Abstract: Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The wrapping materials possess multi-layer coatings. The wrapping materials possess coatings in the form of series of spaced apart bands, each band possessing a series of layers. At least one of the coating layers can have a filler material dispersed or suspended within a film-forming material of that layer.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: February 14, 2006
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Cynthia Stewart Stokes, Robert Henry Powell, Brian Michael Lawrence
  • Wrapping materials for smoking articles
    Publication number: 20040099280
    Abstract: Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The wrapping materials possess multi-layer coatings. The wrapping materials possess coatings in the form of series of spaced apart bands, each band possessing a series of layers. At least one of the coating layers can have a filler material dispersed or suspended within a film-forming material of that layer.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 27, 2004
    Inventors: Cynthia Stewart Stokes, Robert Henry Powell, Brian Michael Lawrence
  • Smoking article having increased amino acid content
    Patent number: 6030462
    Abstract: A smoking article is provided having improved flavor and aroma when smoked and contains one or more smokable materials having free amino acids contained therein. The smoking article comprises a selectively enriched content of at least one amino acid selected from the group consisting of serine, threonine and analogs thereof, and is substantially free of exogenous non-sugar Maillard-functional carbonyl compounds.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: February 29, 2000
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Chi-Kuen Shu, Brian Michael Lawrence, Cynthia Stewart Stokes, Milly Mee Lee Wong, Robert Henry Powell