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AssigneeR. J. Reynolds Tobacco Company
InventorsPaul A. Brinkley, Thomas W. Brown, Jack G. Flinchum, Jr., Thomas A. Perfetti, James S. Thomasson, Harvey J. Young
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Reconstituted tobacco material is provided by extracting tobacco material using water to provide an insoluble portion and an aqueous extract. The insoluble portion is formed into a sheet-like shape. The aqueous extract is blended with a further tobacco extract which is provided by treating Burley tobacco strip with ammonia and steam. The aqueous tobacco extract and further tobacco extract optionally can be heat treated, contacted with a water soluble phosphate salt, and/or contacted with levulinic acid. The aqueous extract and further tobacco extract are combined with the insoluble portion, resulting in a reconstituted tobacco material. The reconstituted tobacco material is blended with other tobacco materials and employed as cut filler in cigarette manufacture.
A process for providing a reconstituted tobacco material, the process comprising the steps of:
Dependencies are inferred from the claim text.