ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,847, issued on June 3, was assigned to CLARIANT INTERNATIONAL LTD (Muttenz, Switzerland).

"Processing-optimized, reactive polymer composition" was invented by Jeremia Schwabe (Augsburg, Germany) and Eric Hauck (Pirmasens, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a silane-modified polypropylene copolymer having a silicon content of 1% to 5% by weight, an enthalpy of fusion of 20 J/g to 35 J/g, and a melt viscosity at 170deg C. of 500 MPas to 4500 MPas, and a process for preparing the same. Further disclosed is a reactive hot-melt adhesive formulation that includes the silane-modified polypropylene copolymer and a proc...