Process for the production of low-viscosity storable amphoteric

Details Process for the production of low-viscosity storable amphoteric Process for the production of low-viscosity storable amphoteric

1995-07-25

1996-10-29

Higel, Floyd D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

252356, 252357, 510237, 510480, 510490, 510535, C07D23304, C07D23314, C11D 188

Patent

active

055697674

ABSTRACT:
In order to prepare fluid, storage-stable ampholytic surface-active agents, (a) 1-hydroxyethyl-2-alkyl-2-imidazolines having formula (1), in which R.sup.1 stands for an alkyl residue with 5 to 21 carbon atoms, are quaternated or carboxymethylated with halogenated carboxylic acid salts at a pH range from 7.5 to 9, and at the same time hydrolyzed with aqueous bases, then (b) the pH value of the reaction final products is set between 5 and 7. ##STR1##

REFERENCES:
patent: 2773168 (1956-12-01), Mannheimer
patent: 4269730 (1981-05-01), Wechsler et al.
patent: 4833253 (1989-05-01), Ploog et al.
patent: 5342961 (1994-08-01), Uphues et al.
Seifen-Fette-Ole-Wachse, 108, 373 (1982) (Ploog).
J. Am. Oil. Chem. Soc., 60, 1807 (1983) (Takano et al.).

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