Patents by Inventor Carl-Gustaf Backman

Carl-Gustaf Backman 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
    Publication number: 20060289022
    Abstract: The invention relates to a tobacco smoke filter (40) affixed to a body of tobacco in a smokable device, such as a cigarette. The tobacco smoke filter comprises a metal granulate (42) including zinc or copper, and preferably a copper-zinc alloy. The metal granulate may be disposed between the body of tobacco and a fibrous filter (41), or be dispersed in the fibrous filter.
    Type: Application
    Filed: September 3, 2004
    Publication date: December 28, 2006
    Inventor: Carl-Gustaf Backman