US Patent Issued to Wacker Chemie on June 23 for "Process for preparing water-redispersible polymer powders for dry formulations of construction materials" (German Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,426, issued on June 23, was assigned to Wacker Chemie AG (Munich).

"Process for preparing water-redispersible polymer powders for dry formulations of construction materials" was invented by Markus Bannwarth (Burghausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vinyl acetate-ethylene and/or styrene-(meth)acrylic ester copolymers along with processes for preparing the same and uses for the same. Wherein the vinyl acetate-ethylene and/or styrene-(meth)acrylic ester copolymers are in the form of water-redispersible powders for producing hydraulically-setting building material dry formulations. Where the storage stability of the protective-...