Number | Name | Date | Kind |
---|---|---|---|
2057948 | Herdieckerhoff et al. | Oct 1936 | |
2811530 | Poizat et al. | Oct 1957 | |
3012040 | Lind et al. | Dec 1961 | |
3446599 | Shand et al. | May 1969 | |
3630680 | Rittersdorf et al. | Dec 1971 | |
3814586 | Frazer et al. | Jun 1974 | |
3853466 | Rittersdorf et al. | Dec 1974 | |
3989462 | Hirsch | Nov 1976 | |
4038031 | Lam | Jul 1977 | |
4158546 | Lam et al. | Jun 1979 |
Number | Date | Country |
---|---|---|
2926833 | Apr 1980 | DEX |
Entry |
---|
Chemical Abstracts, vol. 93, p. 344, Abstract 22148b, Daunora et al. (1980). |
Chemical Abstracts, vol. 18 (9), pp. 1294-1296, Blaike et al. |