Patents by Inventor British American Tobacco (Investments) Limited

British American Tobacco (Investments) Limited 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).

  • Publication number: 20130168271
    Abstract: One embodiment of the invention provides a hinged-lid pack (1) for smoking articles such as cigarettes. The pack comprises a body (4) and a lid (5) each having respective front (12,22), back (13,23) and opposing side panels (11A, 11B,21A,21B). The back panel of the lid (3) is hinged to the back panel of the body. At least one side panel of the lid is provided with an inner tab (201A,201B) extending substantially coplanar with the side panel of the lid to resist opening of the lid.
    Type: Application
    Filed: February 26, 2013
    Publication date: July 4, 2013
    Applicant: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
    Inventor: British American Tobacco (Investments) Limited
  • Publication number: 20130139834
    Abstract: Porous beads are provided of a polymer of a non-acidic monomer and a cross-linker having polar functionality, one of which is hydrophilic, the other of which is hydrophobic, further comprising residues of polyvinyl alcohol. The beads may be molecularly imprinted or non-molecularly imprinted. The use of such beads in the removal of nitroso-containing compounds from material containing them is also disclosed. Also disclosed is a non-molecularly imprinted polymer which is selectively adsorbent for at least one tobacco specific nitrosamine in the presence of nicotine, said polymer being a polymerization product of a non-acidic monomer and a cross-linker having polar functionality, one of which is hydrophilic, the other of which is hydrophobic.
    Type: Application
    Filed: January 18, 2013
    Publication date: June 6, 2013
    Applicant: British American Tobacco (Investments) Limited
    Inventor: British American Tobacco (Investments) Limited