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IG Farbenindustrie AG
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IG Farbenindustrie AG
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C01C3/02—Preparation, separation or purification of hydrogen cyanide
C01C3/0208—Preparation in gaseous phase
C01C3/0237—Preparation in gaseous phase from carbon monoxide and ammonia
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FR643039D1926-10-301927-10-27Procédé pour la production de composés cyanogénés aux dépens de composés volatils de l'azote et du carbone
ExpiredFR643039A
(fr)