Patents by Inventor Robert F. Hart, III

Robert F. Hart, III 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).

  • USE OF CHLORATE, SULFUR OR OZONE TO REDUCE TOBACCO SPECIFIC NITROSAMINES
    Publication number: 20110289836
    Abstract: A method is provided for reducing levels of tobacco specific nitrosamines (TSNA) in tobacco during barn curing. The method includes contacting tobacco with chlorate, sulfur, ozone or combinations thereof in amounts effective for controlling or reducing bacterial an/or fungal populations on or in tobacco.
    Type: Application
    Filed: August 8, 2011
    Publication date: December 1, 2011
    Inventors: Mingwu Cui, Mark T. Nielsen, Robert F. Hart, III, Michael L. Overbey, David J. Watson, John R. Chipley
  • Use of chlorate, sulfur or ozone to reduce tobacco specific nitrosamines
    Patent number: 7992575
    Abstract: A method is provided for reducing levels of tobacco specific nitrosamines (TSNA) in tobacco during barn curing. The method includes contacting tobacco with chlorate, sulfur, ozone or combinations thereof in amounts effective for controlling or reducing bacterial an/or fungal populations on or in tobacco.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: August 9, 2011
    Assignee: U.S. Smokeless Tobacco Company
    Inventors: Mingwu Cui, Mark T. Nielsen, Robert F. Hart, III, Michael L. Overbey, David J. Watson, John R. Chipley