ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,223, issued on March 17, was assigned to Celgene Corp. (Summit, N.J.).

"Processes for preparing 2-(4-chlorophenyl)-n-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamide" was invented by Marie G. Beauchamps (Randolph, N.J.), Gregg B. Feigelson (Chester, N.Y.), Jianxin Han (Green Brook, N.J.), Joshua Hansen (La Jolla, Calif.), Mohit A. Kothare (Bridgewater, N.J.), Michael James Williams (Morris Plains, N.J.), Michael J. Zacuto (Jersey City, N.J.) and Weihong Zhang (Highland Park, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are processes for preparing 2-(4-chlorophenyl)-N-((2-(2,6-dioxopiperidin-3-y...