Preparation of quaternary ammonium halides in powder or granular

Details Preparation of quaternary ammonium halides in powder or granular Preparation of quaternary ammonium halides in powder or granular

1979-11-16

1981-06-23

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C 8504

Patent

active

042752353

ABSTRACT:
Quaternary ammonium halides in powder or granular form are prepared by reacting tertiary amines and excess alkyl halides in the absence of solvent at elevated temperature and pressure and conducting the hot, pressurized reaction mixture into an area under lower pressure where the excess alkyl halides vaporize and the quaternary ammonium halides are recovered in powder or granular form.

REFERENCES:
patent: 2075958 (1937-04-01), Piggott
patent: 2087132 (1937-07-01), Taub et al.
patent: 2395989 (1946-03-01), Bock et al.
patent: 2687414 (1954-08-01), Cusic
patent: 3497556 (1970-02-01), Lanner et al.

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