Number | Name | Date | Kind |
---|---|---|---|
2769014 | Gerret | Oct 1956 | |
2789985 | Harrison | Apr 1957 | |
3326746 | Cahn et al. | Jun 1967 | |
3496193 | Heywood et al. | Feb 1970 | |
4000311 | Gatyi et al. | Dec 1976 | |
4294727 | Conrad et al. | Oct 1981 |
Entry |
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Cookson et al, J. Chem. Soc. (1976), pp. 195-200. |
Sartori et al., Chem. Ind. (1985), pp. 762-763. |