Method of preparation of substituted amino-alkyl sulfonic acid c

Details Method of preparation of substituted amino-alkyl sulfonic acid c Method of preparation of substituted amino-alkyl sulfonic acid c

Filed on

1984-07-20

Date issued

1986-01-07

Examiner

Guynn, Herbert B.

Patent Class

Compositions

SubClass

Leather or fur treating

Other Related Categories

166308, 2523153, 252355, 260513N, 544145, 544398, E21B 4326

Type

Patent

Status

active

Patent number

045632910

Description

ABSTRACT:
A method of manufacture of a substituted amino-alkyl sulfonic acid zwitterion is presented. The compound is prepared by the reaction of an epoxide with bisulfite which then is reacted with a secondary amine to form the amino-alkyl sulfonic acid or a salt thereof. Selected compounds can be utilized as a buffer composition to form viscosified fluids for use in the treatment of subterranean formations. The remaining amino-alkyl sulfonic acids or salts can be used as surfactants.

REFERENCES:
patent: 1944300 (1934-01-01), Ott et al.
patent: 2693488 (1954-11-01), Sexton
patent: 3888312 (1975-06-01), Tiner et al.
patent: 3898165 (1975-08-01), Ely et al.
patent: 3974077 (1976-08-01), Free
patent: 4477360 (1984-10-01), Almond

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