Chemistry: physical processes – Physical processes – Crystallization
Patent
1992-02-18
1994-05-03
Straub, Gary P.
Chemistry: physical processes
Physical processes
Crystallization
430110, 564291, 564295, C07C21163
Patent
active
053083636
ABSTRACT:
A process for the preparation of a quaternary ammonium bisulfate which comprises the reaction of a quaternary ammonium alkylsulfate with sulfuric acid in a solvent mixture comprised of water and isopropyl alcohol, followed by the recovery of the solid quaternary ammonium bisulfate by crystallization from the reaction mixture.
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Abate John
Goodbrand H. Bruce
Haack John L.
Liebermann George
Haack John L.
Palazzo Eugene O.
Straub Gary P.
Xerox Corporation
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