Number | Name | Date | Kind |
---|---|---|---|
1595538 | Yamamoto | Aug 1926 | |
1786967 | Trevillian | Dec 1930 | |
1915662 | Gnadinger | Jun 1933 | |
2050974 | La Forge | Aug 1936 | |
2056438 | Ward | Oct 1936 | |
2372183 | Barthel | Mar 1945 | |
2376702 | Komeda | May 1945 | |
2413107 | Kuhn | Dec 1946 | |
2449671 | Rhodes | Sep 1948 | |
2467859 | Sankowsky | Apr 1949 | |
3042706 | Haus | Jul 1962 | |
3083136 | Levy | Mar 1963 | |
3333962 | Prebluda | Aug 1967 | |
3835776 | Mutsuo | Sep 1974 | |
3862174 | Mizutani | Jan 1975 | |
3894073 | Alexander | Jul 1975 | |
3973036 | Hirano | Aug 1976 | |
4012194 | Maffel | Mar 1977 | |
4024163 | Elliott | May 1977 |
Number | Date | Country |
---|---|---|
702886 | Jan 1954 | GBX |
Entry |
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Sax, "Dangerous Properties of Industrial Materials," 5th Ed., pp. 756 & 863 (1979). |
Casida, "Pyrethrum the Natural Insecticide," pp. 25-53 (1973). |
Schultz, Food Technology, 24, pp. 94-98 (1970). |