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| Number | Title | Issue Date |
| 6026820 | Cigarette for electrical smoking system A novel cigarette adapted for use in an electrical cigarette system comprising a tobacco rod having filled and unfilled tobacco rod portions and being arranged so that electrical heater elements may overlap the filled and unfilled tobacco rod portions. Th... | 02/22/2000 |
| 4421126 | Process for utilizing tobacco fines in making reconstituted tobacco A process for employing tobacco fines in a system for preparing reconstituted tobacco is disclosed. The tobacco fines are incorporated into concentrated extract before the extract is recombined with the reconstituted sheet or into an aqueous carrier. The ... | 12/20/1983 |
| 4131118 | Method for removal of potassium nitrate from tobacco extracts This disclosure relates to a process for selectively removing and recovering potassium nitrate in a relatively pure state from tobacco, and especially from Burley tobacco stems. The process comprises the steps of (1) contacting tobacco plant parts with wa... | 12/26/1978 |
