ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,484, issued on March 18, was assigned to Hoffmann-La Roche Inc. (Little Falls, N.J.).
"Pyrazolopyridine compounds for the treatment of autoimmune disease" was invented by Fabian Dey (Basel, Switzerland), Taishan Hu (Shanghai), Haixia Liu (Shanghai), Hong Shen (Shanghai), Zhiwei Zhang (Shanghai) and Wei Zhu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to compounds of formula (I), wherein R1, R2, R3 and R4 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds."
The patent was filed o...