Number | Name | Date | Kind |
---|---|---|---|
2465319 | Whinfield et al. | Mar 1949 | |
3377319 | Wiener | Apr 1968 | |
3536667 | Stewart et al. | Oct 1970 | |
3546179 | Koller | Nov 1970 | |
3758535 | Vizurraga | Sep 1973 | |
3833630 | Loeffler | Sep 1974 |
Entry |
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Mehrotra et al., Jour. Ind. Chem. Soc., v. 42, No. 5, pp. 327-332, (1965). |