Number | Name | Date | Kind |
---|---|---|---|
RE29131 | Smith et al. | Feb 1977 | |
3444141 | Shima | May 1969 | |
3637909 | von Bonin et al. | Jan 1972 | |
3764457 | Chang et al. | Oct 1973 | |
4131731 | Lai et al. | Dec 1978 | |
4150211 | Muller et al. | Apr 1979 |
Entry |
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Sukhov et al., J. App. Chem. USSR, (Eng) 50, 1977, pp. 333-337. |