3898037 is referenced by 89 patents and cites 10 patents.

The present disclosure is directed to polymers and copolymers of acrylamido-sulfonic acid compounds and their use basically as dispersants for particles contained in aqueous systems. Exemplary of the sulfonic acid compound is 2-acrylamido-2-methylpropane sulfonic acid, or water-soluble salt thereof; and representative of the co-monomers which the acid is copolymerized with can be mentioned, acrylic acid and derivatives thereof, acrylamide and derivatives thereof, vinyl pyrrolidone, etc. The polymers and copolymers are specifically useful in dispersing water-insoluble compounds of iron, calcium, magnesium and aluminum and such commonly occurring particles of slit and clay.

Title
Acrylamido-sulfonic acid polymers and their use
Application Number
05/409,125
Publication Number
3898037
Application Date
October 24, 1973
Publication Date
August 5, 1975
Inventor
Dean executrix by S Martha
Dean deceased Russell T
Tonkyn Richard G
Schiesser Robert H
Lange K Robert
Agent
Ricci Alexander D
Assignee
Betz Laboratories
IPC
C23F 11/14
C23F 11/16
C23F 11/10
C23F 11/173
C02F 05/10
C02F 05/12
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