ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,835, issued on June 16, was assigned to STINGRAY THERAPEUTICS INC. (Houston).

"Phosphonates as inhibitors of ENPP1 and CDNP" was invented by Srinivas Rao Kasibhatla (San Diego), Sunil Sharma (Phoenix), Mohan Kaadige (Scottsdale, Ariz.), Alexis Weston (Phoenix) and Trason Thode (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compounds having activity as inhibitors of ENPP1, CdnP, or both are provided herein. Some embodiments provide compounds having one of the following Structures (I) or (II): or a pharmaceutically acceptable salt, tautomer, stereoisomer, or prodrug thereof, wherein R1, R2, R3, R4, R5, R6, R7a, R7b, R7b, R7c, R25, R26, R27a, ...