ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,222, issued on Oct. 7, was assigned to Rohm and Haas Co. (Philadelphia).
"Water resistance for organic facades" was invented by Mark D. Westmeyer (Collegeville, Pa.), Charles J. Rand (Collegeville, Pa.), C. Damien Rodowski (Downingtown, Pa.) and Jeffrey J. Sobczak (Coatesville, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for a coating formulation that includes a pigment, an organic aqueous emulsion and an organophosphonic acid of the formula: where R is a saturated or unsaturated alkyl having 2 to 10 carbon atoms or a substituted or unsubstituted aryl having 5 to 10 carbon atoms. The coating formulation can be u...