Patent ID: 7655710

Claim:
A composition which is effective for producing a polymeric dispersant in a powder form, the composition comprising a solution of a water soluble polymeric drying aid and a solution of a water soluble polymeric dispersant, the water-soluble polymeric drying aid comprising: A. monoethylenically unsaturated monomers carrying acidic groups in an acidic, or partially or completely neutralized form, the monoethylenically unsaturated monomers selected from the group consisting of acrylic acid, methacrylic acid, 2-ethylacrylic acid, 2-propylacrylic acid, vinylacetic acid, crotonic and isocrotonic acid, maleic acid, fumaric acid, itaconic acid, citraconic acid, vinylsulfonic acid, methallylsulfonic acid, 2-acrylamido-2-methylpropylsulfonic acid, 4-vinylphenylsulfonic acid, vinylphosphonic acid, (semi)esters of the monoethylenically unsaturated monomers, amides of the monoethylenically unsaturated monomers, anhydrides of the monoethylenically unsaturated monomers, and mixtures thereof.