Process for the recovery of pure nitriles

Details Process for the recovery of pure nitriles Process for the recovery of pure nitriles

1981-02-19

1983-06-28

Torrence, Dolph H.

Liquid crystal cells, elements and systems

Particular structure

Interconnection of plural cells in series

260465C, 260465F, 260465G, 26065H, C07D33324, C07C12166

Patent

active

043907067

ABSTRACT:
The recovery from the reaction gases of aromatic or heteroaromatic nitriles which are formed in the reaction of cyanogen chloride with aromatic or heteroaromatic methylene or methyl compounds is undertaken by partial condensation of the reaction gases with decreasing temperature steps. Through this the nitriles are not exposed for a long time to contact with the simultaneously formed hydrogen chloride.

REFERENCES:
patent: 2553404 (1951-05-01), Dixon
patent: 2606917 (1952-08-01), Dixon
patent: 3936486 (1976-02-01), Egger et al.
Grimm et al., Ind. Eng. Chem. Prod. Res. Div. vol. 14, (1975), No. 3, pp. 158-161.

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