US Patent Issued to W.R. Grace & Co.-CONN on Jan. 20 for "Catalyst composition for polyolefin polymers" (Maryland Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,762, issued on Jan. 20, was assigned to W.R. Grace & Co.-CONN (Columbia, Md.).

"Catalyst composition for polyolefin polymers" was invented by Ronald Epstein (Columbia, Md.), Michael Miller (Columbia, Md.), Michael Elder (Columbia, Md.), Vladimir Marin (Columbia, Md.), Ahmed Hintolay (Columbia, Md.) and Timothy Boyer (Columbia, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Ziegler-Natta catalyst composition is disclosed. The catalyst composition is formed from a procatalyst containing a magnesium moiety and a titanium moiety. At least one internal electron donor is incorporated into the procatalyst. During a titanation procedure in conjunction...