Number | Name | Date | Kind |
---|---|---|---|
2769835 | Kosmin et al. | Nov 1956 | |
3078306 | von Schickh et al. | Feb 1963 | |
3082236 | Mageli et al. | Mar 1963 | |
4024163 | Elliott et al. | May 1977 | |
4536345 | Martel et al. | Aug 1985 |
Number | Date | Country |
---|---|---|
60-202843 | Mar 1984 | JPX |
Entry |
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Weygand/Hilgetag, "Preparation Organic Chemistry", (1972), p. 378, John Wiley & Sons, N.Y., Sydney, London, Toronto. |