485 



Appendix Page 6 



R. J. Reynolds Tobacco Company. Pat. 4,862,905, 1989. 



The patent describes a system for adding pellets to 

 cigarette filters. The pellets may contain or carry on 

 their surfaces a variety of additives including "menthol, 

 cinnamon, citrus, cocoa, licorice, tobacco extract, 

 nicotine, and the like." The object of the invention is to 

 permit the production of "cigarette filter elements having 

 well controlled amounts of flavorant contained therein." 



Philip Morris Incorporated. Pat. 5,115,823, 1992. 



The patent describes a "flavor-enhancing smoking filter" 

 involving a "flavor-enhancing zone" and a "filtering zone." 

 The former is charged with additives which may include 

 "reconstituted tobacco, tobacco paste, tobacco solubles and 

 ground or particulated tobacco." The term "tobacco 

 solubles" is a synonym for tobacco extract. 



Eastman Kodak Company. International Pat. Application WO 

 92/05713, 1992. 



The patent application describes cigarette filter fibers 

 with complex geometries making them capable of holding 

 additives. The fibers' designs "result in improved delivery 

 of the tobacco modifying agent to the user." Tobacco 

 extract, nicotine and nicotine salts are listed as possible 

 additives that can be used. 



Kimberly-Clark Corporation. Pat. 5,269,329, 1993. 



The patent describes a process for adding tobacco extract to 

 cigarette filters. The process can be used to add tobacco 

 extract of from 10% to 110% of the filter fiber weight. 



Cigarettes incorporating two different smoking mixtures 



R. J. Reynolds Tobacco Con^any. Pat-. 4,759,380, 1988. 



Mollins PLC. Pat. 4,793,364, 1988. 



Rothmans, Benson & Hedges Inc. ^nd Rothmans International 

 Services Limited. Pat 4,896,681, 1990. 



These three patents describe the concept and some machinery 



