Coatex S.A.S. has been awarded a patent for a method comprised of blending a polymer comprised of, in polymerized form: (meth)acrylic acid, a (meth)acrylic ester, and at least one hydrophobic monomer, with at least one alkyd resin and water to obtain a blend; adjusting the pH of the blend to a value greater than six, to obtain a dispersion of the blend in the water; and then) precipitating the dispersion by adjusting the pH to a value less than six.
Source:
http://www.coatingsworld.com/issues/1013/view_patents/coatex-patents-method-for-dispersing-alkyd-reins-with-associative-polymers/