ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,589, issued on May 6, was assigned to Wacker Chemie AG (Munich).
"Composite particles with organic and inorganic domains" was invented by Abdulmajid Hashemzadeh (Burghausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Stable preparations of composite particles based on organic polymer and inorganic particles contain, as the organic polymer, an addition polymer containing moieties derived from polymerization of an unsaturated carboxylic acid in addition to vinyl ester, (meth)acrylic ester, olefin, vinyl aromatic, and/or vinyl halide monomers."
The patent was filed on Nov. 26, 2018, under Application No. 17/268,984.
*For further informati...