ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,714, issued on March 18, was assigned to REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor, Mich.).

"Halogenation of complex organic compounds" was invented by David H. Sherman (Ann Arbor, Mich.), Amy E. Fraley (Ann Arbor, Mich.) and Ashootosh Tripathi (Ypsilanti, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides biocatalysts that halogenate complex chemical compounds in specific and predictable ways. Also disclosed are halogenated complex organic compounds. The disclosure further provides methods for the halogenation of complex chemical compounds and methods of inhibiting the contraction of smooth muscle in mammals."

The...