ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,127, issued on April 22, was assigned to Pfizer Inc. (New York).
"Pyrido[4,3-dpyrimidine compounds" was invented by Benjamin Joseph Burke (San Diego), Jacob Cole Deforest (San Diego), Asako Nagata (San Diego), Simon Paul Planken (San Marcos, Calif.), Jillian Elyse Spangler (San Diego), Scott Channing Sutton (San Diego), Hanna Maria Wisniewska (San Diego) and Shouliang Yang (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to compounds of Formula (I)-(III) and pharmaceutically acceptable salts thereof to their use in medicine; to compositions containing them; to processes for their preparation; and to intermediates used i...