Rohm and Haas patents

May 17, 2007

Patent No. U.S. 7,125,919 B2
Rohm and Haas Company has obtained a patent for a tinting composition comprised of at least one colorant composition; and from 0.05% to 5% dry weight of at least one additive based on the weight of the at least one colorant composition, wherein the additive comprises at least one highly shear thinning associative thickener, at least one moderately shear thinning associative thickener and at least one macromolecular organic compound having a hydrophobic cavity.