US Patent Issued to Nxera Pharma UK Limitied on Aug. 19 for "Prostaglandin EP 4 receptor antagonist compounds" (British Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,641, issued on Aug. 19, was assigned to Nxera Pharma UK Limitied (Great Britain).

"Prostaglandin EP 4 receptor antagonist compounds" was invented by Miles Stuart Congreve (Cambridge, Great Britain), Nigel Alan Swain (Cambridge, Great Britain) and Benjamin Whitehurst (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosures herein relate to novel compounds of formula (1): (1) and salts thereof, wherein A, X, R1, R2, R3, R4, R10 and R11 are defined herein, and their use in treating, preventing, ameliorating, controlling or reducing the risk of disorders associated with EP4 receptors."

The patent was filed on Oct. 9, 202...