Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1994-10-05
1996-08-13
O'Sullivan, Peter
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564291, 564296, C07C21163, C07C21164
Patent
active
055457495
ABSTRACT:
A quaternary ammonium compound solution comprising from about 50% to about 80% of a quaternary ammonium compound and from about 20% to about 50% of a solvent. The solvent being from about 25% to about 100% of alkylene glycol with the remainder being water. The method of making quaternary ammonium compounds comprises reacting methyl chloride and/or benzyl chloride and dialkylmethylamine and/or alkyldimethylamine in an alkylene glycol to completion and diluting the same with sufficient water to a solution in which the alkylene glycol is from about 25% to about 100% of the solvent component of the total solution and the quaternary ammonium compound is from about 50% weight to about 80% weight of the quaternary ammonium compound solution.
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Chem Abst. 96: 57773 (EP38416).
Derwent 81-818720/45 (EP38416).
Abouhalkah Samih S.
Boyd Frederick M.
Smith Kim R.
Huntington Laboratories Inc.
O'Sullivan Peter
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