US Patent Issued to CHIESI FARMACEUTICI on April 21 for "Pyridopyrimidines derivatives as P2X3 inhibitors" (Italian Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,562, issued on April 21, was assigned to CHIESI FARMACEUTICI S.P.A. (Parma, Italy).

"Pyridopyrimidines derivatives as P2X3 inhibitors" was invented by Paolo Bruno (Parma, Italy), Matteo Biagetti (Parma, Italy), Claudio Fiorelli (Parma, Italy), Charles Baker-Glenn (Parma, Italy), Herve Van De Poel (Parma, Italy), Stephen David Penrose (Parma, Italy) and Roberta Lanaro (Parma, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to compounds of formula I inhibiting P2X purinoceptor 3 (hereinafter P2X3 inhibitors); particularly the invention relates to compounds that are pyridopyrimidines derivatives, methods of preparing...