Y10S 131/902
Inorganic chemical agents employed in puffing tobacco
Y10S131/902 (Inorganic chemical agents employed in puffing tobacco) appears on 7 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 7
- Published applications
- 0
- Assignees
- 6
- Inventors
- 16
- Latest grant
- 12 Dec 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Swollen tobacco material manufacturing method12 Dec 2000US 6,158,440 AJapan Tobacco Inc.
- Tobacco expansion method7 Jan 1997US 5,590,667 ASCW, Inc.
- Process for modifying the smoke flavor characteristics of tobacco26 Aug 1986US 4,607,646 APhilip Morris Incorporated
- Process for increasing the filling power of tobacco11 Mar 1986US 4,574,819 APhilip Morris Incorporated
- Process for increasing filling capacity of tobacco30 Jul 1985US 4,531,529 AR. J. Reynolds Tobacco Company
No published applications in this class yet.
Most cited
By later US patents
- Process for increasing filling capacity of tobacco30US 4,531,529 AR. J. Reynolds Tobacco Company · 1985
- Process for modifying the smoke flavor characteristics of tobacco26US 4,607,646 APhilip Morris Incorporated · 1986
- Method and apparatus for increasing the volume of tobacco or the like12US 4,195,647 AHauni-Werke Korber & Co. KG · 1980
- Method of puffing tobacco tissue6US 4,161,953 AAmerican Brands, Inc. · 1979
- Process for increasing the filling power of tobacco4US 4,574,819 APhilip Morris Incorporated · 1986