Patents by Inventor Robert D. Makepeace

Robert D. Makepeace 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).

  • METHOD AND DEVICE FOR MAKING TOBACCO SMOKE FILTERS
    Publication number: 20090025736
    Abstract: A composition useful for treating the substrate of a tobacco smoke filter. A tobacco smoke filter comprising one or more than one free porphyrin or one or more than one free metal phthalocyanine. A seamless tobacco smoke filter (80, 90) comprising a first segment and a second segment. A device (110) for making a tobacco smoke filter from tobacco smoke filter substrate comprising a rod maker machine (112) and an applicator (120) for applying one or more than one additive intermittently to the substrate in a plurality of spaced bands.
    Type: Application
    Filed: April 17, 2007
    Publication date: January 29, 2009
    Applicant: FILLIGENT LIMITED
    Inventors: Neal G. Stewart, Robert D. Makepeace, Reid W. von Borstel