Preparation of quaternary ammonium halides in powder or granular

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

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C07C 8504

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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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