Inventor

DONG CHANGMING

CN3 patents

⚠️ This page may combine multiple inventors who share the name “DONG CHANGMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASYMCHEM LAB TIANJIN CO LTD

2 patents

US10399071B2Sep 3, 2019

Polymer containing carboxyl group, preparation method and application thereof, supported catalyst and preparation methods thereof and preparation methods of penem antibiotic intermediate

ASYMCHEM LAB TIANJIN CO LTD0 citations47

US9926283B2Mar 27, 2018

Intermediate compound for preparing rosuvastatin calcium and method for preparing rosuvastatin calcium therefrom

ASYMCHEM LAB TIANJIN CO LTD0 citations46

CHENGDA PHARMACEUTICALS CO LTD

1 patent

US12234234B2Feb 25, 2025

Method for synthesizing 1,7-naphthyridine derivatives

CHENGDA PHARMACEUTICALS CO LTD0 citations39