Patents by Inventor Kevin Gerard MacAdam

Kevin Gerard MacAdam 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).

  • Tobacco smoke filter elements
    Patent number: 7249605
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: July 31, 2007
    Assignee: British American Tobacco (Investments) Ltd.
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren
  • Tobacco smoke filter elements
    Publication number: 20040074507
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodoriser. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodoriser upon extinguishing of the smoked cigarette. The deodoriser may comprise neutralising or masking agents, or mixtures of both.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren
  • Tobacco smoke filter elements
    Patent number: 6631722
    Abstract: This invention relates to the provision in a cigarette filter element of a capsule containing a deodorizer. The capsule is resistant to the handling endured before and during smoking, yet ruptures to release or expose the deodorizer upon extinguishing of the smoked cigarette. The deodorizer may comprise neutralizing or masking agents, or mixtures of both.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: October 14, 2003
    Assignee: British-American Tobacco Company Limited
    Inventors: Kevin Gerard MacAdam, Rosemary Elizabeth O'Reilly, Nigel David Warren