GENEVA, Jan. 4 -- LIAONING HAISCO PHARMACEUTICAL CO., LTD. (Caozhuang Industrial Park, Xingcheng CityHuludao, Liaoning 125107), 辽宁海思科制药有限公司 (中国辽宁省葫芦岛市兴城市曹庄工业园区) filed a patent application (PCT/CN2025/103783) for "METHOD FOR PREPARING KEY INTERMEDIATE OF TRICYCLIC FUSED HETEROCYCLIC PDE3/4 DUAL INHIBITOR" on Jun 26, 2025. With publication no. WO/2026/002106, the details related to the patent application was published on Jan 02, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, whi...