US Patent Issued to Janssen Pharmaceutica on Nov. 4 for "Processes and intermediates for preparing a Btk inhibitor" (Dutch, Belgian, Chinese, American Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,948, issued on Nov. 4, was assigned to Janssen Pharmaceutica NV (Beerse, Belgium).

"Processes and intermediates for preparing a Btk inhibitor" was invented by Philip James Pye (Bridgewater, N.J.), Andras Horvath (Turnhout, Belgium), Laurent Lefort (Zoersel, Belgium), Bernardus Kaptein (Sittard, Netherlands), Gerardus Karel Maria Verzijl (Well, Netherlands), Yuanyuan Yuan (Changzhou, China) and Jinxiong Su (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a process for the preparation of certain intermediates, e.g. process for preparing a compound of formula (I) or a pharmaceutically acceptable salt thereof, in an enantioen...