US Patent Issued to LONZA on Oct. 7 for "Method for preparation of n-carboxyanhydrides" (Swiss Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,048, issued on Oct. 7, was assigned to LONZA LTD (Visp, Switzerland).

"Method for preparation of n-carboxyanhydrides" was invented by Jens Schmidt (Visp, Switzerland), Candid Stoffel (Visperterminen, Switzerland) and Elmar Millius (Visp, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a method for the preparation of N-carboxyanhydrides (NCAs) by reaction of amino acids with phosgene."

The patent was filed on Sept. 26, 2019, under Application No. 17/262,908.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtm...