US Patent Issued to W. R. Grace & Co.- Conn. on March 4 for "Process for preparing solid catalyst components for olefin polymerization" (Texas Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,925, issued on March 4, was assigned to W. R. Grace & Co.- Conn. (Columbia, Md.).

"Process for preparing solid catalyst components for olefin polymerization" was invented by Vladimir P. Marin (Pasadena, Texas) and Ahmed Hintolay (Pasadena, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound durin...