Inventor
DU ZHENXING
CN6 patents
⚠️ This page may combine multiple inventors who share the name “DU ZHENXING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JIANGSU HENGRUI MEDICINE CO
5 patentsUS12269823B2Apr 8, 2025
Crystal form of pyridopyrimidine derivative and preparation method thereof
JIANGSU HENGRUI MEDICINE CO0 citations61
US11155537B2Oct 26, 2021
Crystal of benzofuran derivative free base and preparation method
JIANGSU HENGRUI MEDICINE CO0 citations48
US11225462B2Jan 18, 2022
Crystal forms of oxypyridine amide derivative and preparation method therefor
JIANGSU HENGRUI MEDICINE CO0 citations47
US11014888B2May 25, 2021
Crystalline form of alkynyl pyridine prolyl hydroxylase inhibitor and method for preparing same
JIANGSU HENGRUI MEDICINE CO0 citations46
US11299462B2Apr 12, 2022
Crystal form of oxopicolinamide derivative and preparation method therefor
JIANGSU HENGRUI MEDICINE CO0 citations45