Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1978-01-23
1979-11-27
Waltz, Thomas A.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
546244, 2603477, 546186, 546214, 542417, C07C13302
Patent
active
041761359
ABSTRACT:
Hydrazodicarbonamide is prepared by reacting a compound represented by ##STR1## with urea while the former is being continuously or intermittently introduced into the reaction system and while the carbonyl compound and ammonia produced as by-products are being withdrawn from the system.
REFERENCES:
patent: 2692281 (1954-10-01), Newby et al.
patent: 3153089 (1964-10-01), Ameen
patent: 3969466 (1976-07-01), Brown et al.
patent: 4049712 (1977-09-01), Schirmann et al.
Iwata Takeshi
Kazuta Toshiyuki
Ohno Shigeaki
Otsuka Kagaku Yakuhin Kabushiki Kaisha
Waltz Thomas A.
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