Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1974-02-25
1977-12-06
Lutter, Frank W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
203 34, 203 49, 203 61, 26029351, 260563R, 260583R, 260583N, 260583P, 2605011, 544178, C07D29502
Patent
active
040616339
ABSTRACT:
A method of recovering primary or secondary amines from aqueous, organic or aquo-organic solutions of said amines by subjecting these solutions to distillation or rectification in the presence of carbonic acid.
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"Mass Transfer Operations", Treybal, McGraw-Hill, 1955, pp. 340 & 341.
Blyakhman Lazar Isaevich
Davydov Sergei Lvovich
Kashina Valentina Fedorovna
Lutter Frank W.
Sever Frank
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