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US 6,664,326 B1Granted
Aqueous dispersions
AssigneeCytec Technology Corp.
InventorsSun-Yi Huang, Louis Rosati, Joseph J. Kozakiewicz
Life of this patent
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Abstract
Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.
Claims16
A composition comprising an aqueous dispersion comprised of:
- (a) a first cationic water-soluble or water-swellable polymer comprising at least one recurring unit selected from the group consisting of dimethyl sulfate quaternary salt of diethylaminoethylacrylate, methyl chloride quaternary salt of diethylaminoethylacrylate, and propyl chloride quaternary salt of dimethylaminoethylacrylate,
- (b) a second cationic polymer different from said first polymer, and
- (c) 5% or greater of an inorganic salt, by weight based on total weight,
- wherein a homogeneous composition is obtained in the absence of said (b).
1 more element
Dependencies are inferred from the claim text.