Alkaline tolerant sulfobetaine amphoteric surfactants

Details Alkaline tolerant sulfobetaine amphoteric surfactants Alkaline tolerant sulfobetaine amphoteric surfactants

1989-12-18

1991-05-14

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252355, 252DIG7, 252352, C07C31728, B01J 1300

Patent

active

050154125

ABSTRACT:
Disclosed is an aqueous basic solution having a calculated pH of 13 or greater of a sulfobetaine which is soluble and stable for extended periods of storage. The sulfobetaine also is soluble and stable in aqueous basic solutions of high concentration, e.g. up to 30%-50% by weight sodium hydroxide or potassium hydroxide.

REFERENCES:
patent: 2697116 (1954-12-01), Stayner
patent: 3225073 (1965-12-01), Glabesch et al.
patent: 3280179 (1966-10-01), Ernst
patent: 3539521 (1970-11-01), Snoddy et al.
patent: 3619115 (1971-11-01), Diehl
patent: 4005029 (1977-01-01), Jones
patent: 4088612 (1978-05-01), Carter et al.

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