Number | Name | Date | Kind |
---|---|---|---|
3529602 | Hind et al. | Sep 1970 | |
3628541 | Buchmann | Dec 1971 | |
3744496 | McCarty et al. | Jul 1973 | |
3818915 | Anderson | Jun 1974 | |
3844294 | Webster | Oct 1974 | |
3874390 | Eicher et al. | Apr 1975 | |
3892244 | Anderson | Jul 1975 | |
3894543 | Anderson et al. | Jul 1975 | |
3897791 | Yasui et al. | Aug 1975 | |
3897792 | Yasui et al. | Aug 1975 | |
3924644 | Anderson et al. | Dec 1975 | |
3943941 | Boyd et al. | Mar 1976 | |
3943942 | Anderson et al. | Mar 1976 | |
3965911 | Anderson et al. | Jun 1976 | |
4008723 | Borthwick et al. | Feb 1977 | |
4014348 | Garner | Mar 1977 | |
4014349 | Morman et al. | Mar 1977 |
Number | Date | Country |
---|---|---|
2206185 | Aug 1972 | DEX |
1692921 | Jul 1974 | DEX |
2212745 | Jul 1974 | FRX |
25830 OF | Jan 1903 | GBX |
1362613 | Aug 1974 | GBX |
1364103 | Aug 1974 | GBX |
1364104 | Aug 1974 | GBX |
1385754 | Feb 1975 | GBX |
1415893 | Dec 1975 | GBX |
1445124 | Aug 1976 | GBX |
Entry |
---|
Tobacco and Tobacco Smoke by Wynder, et al., pp. 54 & 55 cited Academic Press, N.Y., N.Y. 1967. |