US Patent Issued to Novomer on Nov. 4 for "Carbonylation catalysts and methods of making the same" (New York Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,960, issued on Nov. 4, was assigned to Novomer Inc. (Rochester, N.Y.).

"Carbonylation catalysts and methods of making the same" was invented by Jonathan D. Tedder (Rochester, N.Y.), Alison M. Wilders (Rochester, N.Y.), Geoffrey W. Coates (Lansing, N.Y.) and Catherine A. Falkner (Rochester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are compounds and methods useful as carbonylation catalysts that improve steric properties so that reaction with epoxide is improved, reaction with lactones is avoided, and polymer bonds to the metal centers are weakened, which facilitates faster ring closure, that improve stability of the carbony...