Patents Assigned to Biosyntec
  • Use of polyphenol compounds or derivatives thereof as free-radical scavengers in cigarette filters
    Patent number: 8567412
    Abstract: This invention provides for reducing free-radicals from cigarette smoke by using a filter impregnated by an extract of a rosemary plant in oil, containing carnosol, rosmanol, rosmadial, carnosic acid, genkwanin and rosmarinic acid. The extract is obtained by extraction with an alcoholic solvent or an aqueous alcoholic solvent, followed by extraction with a supercritical fluid.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: October 29, 2013
    Assignee: Biosyntec
    Inventor: Imam Emami