Acid compositions comprised of polymeric 2-acrylamido-2-methylpropanesulfonic acid as thickener
AssigneeGeneral Mills Chemicals, Inc.
InventorCurtis Lee Karl
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Abstract
Acid solutions having pH values of about 2 or below and containing a homopolymer of 2-acrylamido-2-methylpropanesulfonic acid or a salt of the homopolymer.
Claims4
A composition of matter comprising water in an amount of at least 25% by weight of the composition, an acid selected from the mineral acids, the water soluble carboxylic acids containing one to four carbon atoms and mixtures thereof in an amount to produce a pH level of about 2 or below, and a thickener selected from a homopolymer and the alkali and alkaline earth metal salts of the homopolymer of 2-acrylamido-2-methylpropanesulfonic acid in an amount of about 0.05% to 5.0% by weight of the composition.
Dependencies are inferred from the claim text.