US Patent Issued to Hoffmann-La Roche on July 8 for "6-fused heteroaryldihydropyrimidines for the treatment and prophylaxis of hepatitis B virus infection" (Chinese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,575, issued on July 8, was assigned to Hoffmann-La Roche Inc. (Little Falls, N.J.).

"6-fused heteroaryldihydropyrimidines for the treatment and prophylaxis of hepatitis B virus infection" was invented by Lei Guo (Shanghai), Taishan Hu (Shanghai), Buyu Kou (Shanghai), Xianfeng Lin (Shanghai), Hong Shen (Shanghai), Houguang Shi (Shanghai), Shixiang Yan (Shanghai), Weixing Zhang (Shanghai), Zhisen Zhang (Shanghai), Mingwei Zhou (Shanghai) and Wei Zhu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides novel compounds having the general formula:wherein R1, R2, R3, R4, R5, R6, X, Y, W and n are as described herein, compositions...