Patents by Inventor Patrick Cowling

Patrick Cowling 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: 5584306
    Abstract: Reconstituted tobacco sheet having improved homogeneity and wet and dry tensile strength are produced by a process including mixing a water-soluble polysaccharide and a humectant under a first high shear; subjecting the resulting aqueous binder composition to a second high shear mixing operation; mixing the resulting aqueous binder composition with tobacco dust under a third shear, the third shear being lower than the first and second shears to form a slurry; casting the slurry onto a supportive surface such as a stainless steel conveyor belt; drying the cast slurry to form a reconstituted tobacco sheet; and recovering the reconstituted tobacco sheet for use such as cut filler for cigarettes.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: December 17, 1996
    Inventors: Emory Beauman, Patrick Cowling, Diane L. Leister, Roy H. Roope