Inventor
Yang zong-han
TW3 patents
Patents
3 patentsUS11827598B1Nov 28, 2023
Preparation method of tofacitinib citrate
CHUNGHWA CHEMICAL SYNTHESIS & BIOTECH CO LTD0 citations54
US12552751B2Feb 17, 2026
Crystal forms A, B, C, D, E, F and G of selumetinib sulfate and preparation methods thereof
CHUNGHWA CHEMICAL SYNTHESIS & BIOTECH CO LTD0 citations44
US11512123B2Nov 29, 2022
Method for removing water from compound solution and performing conjugate acid conversion
CHUNGHWA CHEMICAL SYNTHESIS & BIOTECH CO LTD0 citations44