Referenced by|
| US4146040 | 17 Mar 1977 | 27 Mar 1979 | | Cigarettes | | US4171702 | 10 Jan 1978 | 23 Oct 1979 | Philip Morris Incorporated | Poly (isopropenyl esters) as carboxylic acid-release agents on tobacco | | US4452259 | 10 Jul 1981 | 5 Jun 1984 | Loews Theatres, Inc. | Smoking articles having a reduced free burn time | | US4612942 | 8 Mar 1984 | 23 Sep 1986 | Stevia Company, Inc. | Flavor enhancing and modifying materials |
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