Patents by Inventor Kenneth D. Barrett

Kenneth D. Barrett 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).

  • SMOKING ARTICLE AND SMOKING ARTICLE FILTER
    Publication number: 20090056729
    Abstract: Improved filters useful for tobacco products, such as cigarettes, and novel cigarettes having such filters are disclosed. The filters include adsorbents such as activated carbon which reduce amounts of one or more gas phase constituents of mainstream tobacco smoke. The adsorbents are treated with off-taste suppressants which reduce the off-taste associated with adsorbent containing filters and substantially restore the taste normally associated with tobacco smoke.
    Type: Application
    Filed: November 3, 2008
    Publication date: March 5, 2009
    Inventors: Michael A. ZAWADZKI, A. Brent Rudd, Kenneth D. Barrett, Terry D. Jessup, William R. Deaton
  • Smoking article and smoking article filter
    Publication number: 20040231684
    Abstract: Improved filters useful for tobacco products, such as cigarettes, and novel cigarettes having such filters are disclosed. The filters include adsorbents such as activated carbon which reduce amounts of one or more gas phase constituents of mainstream tobacco smoke. The adsorbents are treated with off-taste suppressants which reduce the off-taste associated with adsorbent containing filters and substantially restore the taste normally associated with tobacco smoke.
    Type: Application
    Filed: May 20, 2003
    Publication date: November 25, 2004
    Inventors: Michael A. Zawadzki, A. Brent Rudd, Kenneth D. Barrett, Terry D. Jessup, William R. Deaton