ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,518, issued on Sept. 23, was assigned to Tenza Inc. (Boston).

"Methods and compositions for treating hyperoxaluria" was invented by Zachary Nicholas Russ IV (San Bruno, Calif.), Weston Robert Whitaker (Daly City, Calif.), William Cain DeLoache (Alameda, Calif.) and Elizabeth Joy Stanley Shepherd (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates generally to bacteria that have been modified to have increased oxalate degrading activity, pharmaceutical compositions including the bacteria, and methods of treating disorders associated with an elevated amount of oxalate, e.g., hyperoxaluria."

The patent was file...