ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,852, issued on Oct. 14, was assigned to Covestro (Netherlands) B.V. (Geleen, Netherlands).
"Non-porous microparticles" was invented by Antonia Urmanova Grootjen (Geleen, Netherlands), Robert van den Berg Jeths (Geleen, Netherlands) and Joseph Petronella Friederichs (Wessem, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to microparticles and compositions thereof as each of them is described in the specification. The invention further relates to microparticles obtained by a process as described in the specification, compositions thereof. The invention further relates to cured compositions as well as to objects or kit...