Number | Name | Date | Kind |
---|---|---|---|
3502665 | Wetherill et al. | Mar 1970 | |
3598831 | Pfister | Aug 1971 | |
3926996 | Schuhmacher | Dec 1975 | |
4141895 | Middleton | Feb 1979 | |
4182885 | Bunes | Jan 1980 | |
4309543 | Keeley | Jan 1982 |
Entry |
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Eilingsfeld, et al., Angew. Chem., vol. 72, No. 22, pp. 836-837 (1960). |
Kittala, "Dimethylformamide Chemical Uses", E. I. Du Pont de Nemours & Co., Wilmington, Del. (1967), pp. 42-56. |