Patents Assigned to British-American Tobacco
  • Patent number: 7896225
    Abstract: A smoking article pack blank having a lid (2) and a base portion (3), the lid and the base portion being interconnected along a hinge line (27) and the base portion comprising first (24) and second (25) main panels. The main panels of the smoking article pack blank each having side panels (32, 33, 38, 39) depending therefrom and at least one of the side panels having a side flap (35) depending therefrom. When erected the smoking article pack blank may be hinged about a longitudinal axis (34) of a side wall thereof. The invention further provides a smoking article pack assembly, which pack assembly comprises the smoking article pack blank and a plurality of inner blanks. The smoking article pack assembly may be hinged into an open position thereof about a longitudinal hinge line in a side wall of the erected pack assembly.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: March 1, 2011
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Andrew Jonathan Bray, Alan Douglas Tearle, Steven Holford
  • Patent number: 7866325
    Abstract: The present invention relates to a smoking article comprising two layers of wrapper material, the outer wrapper having an air permeability of at least 200 C.U. and having a greater permeability than the inner wrapper. Encapsulated flavour is held between the inner and outer wrappers. The encapsulation technique is dependent upon the flavour to be encapsulated and the sidestream to mainstream flavour delivery ratio required. Sidestream smoke may be altered without altering the mainstream smoke, thereby altering room odors.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: January 11, 2011
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Debra Demeter Woods
  • Patent number: 7850942
    Abstract: A method of making mesoporous carbon beads comprises steps of providing a nucleophilic component such as phenolic compound or phenol condensation prepolymer, dissolving the nucleophilic component in a pore former, together with at least one electrophilic cross-linking agent such as formaldehyde, paraformaldehyde, furfural and hexamethylene tetramine, dispersing the resulting solution into a mineral oil to form beads, condensing both the component and the agent in the presence of the pore former to form beads of porous resin, removing the beads from the mineral oil and carbonizing the beads to form mesoporous carbon beads.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: December 14, 2010
    Assignee: British American Tobacco (Investments) Ltd.
    Inventors: Stephen Robert Tennison, Oleksundr Prokopovych Kozynchenko, Volodymyr Vasyljovych Strelko, Andrew John Blackburn
  • Patent number: 7842736
    Abstract: A method is provided for making mesoporous resin. It comprises: (a) providing a nucleophilic component which comprises a phenolic compound or a phenol condensation prepolymer optionally with one or more modifying reagents selected from hydroquinone, resorcinol, urea, aromatic amines and heteroaromatic amines; (b) dissolving the nucleophilic component in a pore former selected from the group consisting of a diol, a diol ether, a cyclic ester, a substituted cyclic ester, a substituted linear amide, a substituted cyclic amide, an amino alcohol and a mixture of any of the above with water, together with at least one electrophilic cross-linking agent selected from the group consisting of formaldehyde, paraformaldehyde, furfural and hexamethylene tetramine; and (c) condensing the nucleophilic component and the electrophilic cross-linking agent in the presence of the pore former to form a porous resin. The resin may be formed in situ by pouring the partially cross-linked resin into hot oil.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: November 30, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Stephen Robert Tennison, Oleksundr Prokopovych Kozynchenko, Volodymyr Vasyljovych Strelko, Andrew John Blackburn
  • Patent number: 7708020
    Abstract: This invention relates to a smoking article having a controllable static burn rate by virtue of the particle size of a component of the smoking material thereof. The smoking material comprises a non-combustible inorganic filler, a binder, aerosol generating means, the non-combustible filler comprising a proportion of material having a mean particle size in the range of 500 ?m to 20 ?m.
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: May 4, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventors: David John Dittrich, Joseph Peter Sutton, Steven Coburn
  • Patent number: D613902
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: April 13, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Karl Kaljura
  • Patent number: D616146
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: May 18, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Steven Holford
  • Patent number: D618090
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: June 22, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Alan Tearle
  • Patent number: D623937
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: September 21, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Alan Douglas Tearle
  • Patent number: D623939
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: September 21, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Alan Tearle
  • Patent number: D625047
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: October 5, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Paul Gibson, Aaron McKenzie
  • Patent number: D625179
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: October 12, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Paul Gibson
  • Patent number: D626687
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: November 2, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Paul Gibson, Aaron McKenzie
  • Patent number: D626688
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: November 2, 2010
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Paul Gibson, Aaron McKenzie
  • Patent number: D629155
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: December 14, 2010
    Assignee: British American Tobacco (Holdings) Limited
    Inventors: Tanneguy Blaudin de The, John England, Steven Holford
  • Patent number: D629296
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: December 21, 2010
    Assignee: British American Tobacco Switzerland SA
    Inventor: Marc De Muynck
  • Patent number: D633786
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: March 8, 2011
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Paul Gibson
  • Patent number: D634629
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: March 22, 2011
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Aaron McKenzie
  • Patent number: D635015
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: March 29, 2011
    Assignee: British American Tobacco (Investments) Limited
    Inventor: Aaron McKenzie
  • Patent number: D636932
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: April 26, 2011
    Assignee: British American Tobacco (Holdings) Limited
    Inventors: Tanneguy Blaudin de The, John England, Steven Holford