|
| US4094323 | 9 Feb 1976 | 13 Jun 1978 | American Brands, Inc. | Smoking article and method |
| US4196739 | 15 Nov 1977 | 8 Abr 1980 | Service d'Exploitation Industrielle des Tabacs et des Allumettes | Smokable tobacco fiber-material |
| US4201229 | 22 Jul 1977 | 6 May 1980 | Service d'Exploitation Industrielle des Tabacs et des Allumettes | Process for treating a flow of tobacco leaves |
| US4211243 | 21 Feb 1978 | 8 Jul 1980 | Kikkoman Shoyu Co., Ltd.
The Japan Tobacco & Salt Public Corporation | Process for producing expanded tobacco stems |
| US4257431 | 13 Nov 1978 | 24 Mar 1981 | R. J. Reynolds Tobacco Company | Process for expanding tobacco |
| US4270553 | 13 Nov 1978 | 2 Jun 1981 | R. J. Reynolds Tobacco Company | Process and apparatus for expanding tobacco |
| US4366823 | 25 Jun 1981 | 4 Ene 1983 | Philip Morris, Incorporated | Process for expanding tobacco |
| US4366824 | 25 Jun 1981 | 4 Ene 1983 | Philip Morris Incorporated | Process for expanding tobacco |
| US4388932 | 31 Dic 1980 | 21 Jun 1983 | Philip Morris, Incorporated | Process for improving filling power of expanded tobacco |
| US4414987 | 20 Ago 1981 | 15 Nov 1983 | Philip Morris Incorporated | Process for increasing the filling power of tobacco lamina filler |
| US4418706 | 21 Sep 1981 | 6 Dic 1983 | Office of Monopoly | Method for expanding tobacco and apparatus therefor |
| US4458700 | 15 Abr 1982 | 10 Jul 1984 | Philip Morris Incorporated | Process for increasing the filling power of tobacco lamina filler having a low initial moisture content |
| US5379780 | 6 Nov 1991 | 10 Ene 1995 | Japan Tobacco Inc. | Method and system for expanding tobacco |
| US7556047 | 20 Mar 2003 | 7 Jul 2009 | R.J. Reynolds Tobacco Company | Method of expanding tobacco using steam |
