Number | Name | Date | Kind |
---|---|---|---|
4094957 | Sartori et al. | Jun 1978 | |
4100257 | Sartori et al. | Jul 1978 | |
4101633 | Sartori et al. | Jul 1978 | |
4112050 | Sartori et al. | Sep 1978 | |
4112051 | Sartori et al. | Sep 1978 | |
4112052 | Sartori et al. | Sep 1978 | |
4138468 | Kettner et al. | Feb 1979 | |
4180548 | Say et al. | Dec 1979 |
Number | Date | Country |
---|---|---|
2810249 | Sep 1978 | DEX |
Entry |
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Hofman, "Imidazole and Its Derivatives, Part I," Interscience Publishers, New York, 1953, p. 228. |
Mulvany et al., "Synthesis of Ethylene Urea (Imidazolidone-2)", Industrial & Engineering Chemistry, vol. 40, 1948, pp. 393-397. |
Smirnov et al., "Reaction of 3-Alkenyl-2,3 Dialhylpseudoureas with Hydrazoic Acid", Zhurnal Obschchei Khimii, vol. 35, 1965, pp. 178-181. |
Dingman et al. "Compare DGA and MEA Sweeting Methods", Hydrocarbon Processing, vol. 17, No. 7, Jul. 1968, pp. 138-140. |