Number | Name | Date | Kind |
---|---|---|---|
1867766 | Schindhelm | Jul 1932 | |
2183552 | Dreisbach | Dec 1939 | |
2186960 | Dreisbach | Jan 1940 | |
2348231 | Strain et al. | May 1944 | |
2622100 | Newbery et al. | Dec 1952 | |
3196080 | Denny | Jul 1965 | |
3361700 | Archer et al. | Jan 1968 | |
3647864 | Ackerman | Mar 1972 | |
3825591 | Felder et al. | Jul 1974 | |
4175544 | Newton | Nov 1979 | |
4359454 | Hoffman | Nov 1982 | |
4567280 | Itatani et al. | Jan 1986 |
Number | Date | Country |
---|---|---|
1259565 | Sep 1989 | CAX |
1481943 | May 1967 | FRX |
Entry |
---|
Kostin et al. Chem. Abs. 88:6503e (1978). |
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