Changming DONG

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polymer containing carboxyl group, preparation method and applicati...
- Patent number 10,399,071
- Issue date Sep 3, 2019
- Hao Hong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediate compound for preparing rosuvastatin calcium and method...
- Patent number 9,926,283
- Issue date Mar 27, 2018
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Hao Hong
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYMER CONTAINING CARBOXYL GROUP, PREPARATION METHOD AND APPLICATI...
- Publication number 20170136450
- Publication date May 18, 2017
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTERMEDIATE COMPOUND FOR PREPARING ROSUVASTATIN CALCIUM AND METHOD...
- Publication number 20170022169
- Publication date Jan 26, 2017
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- C07 - ORGANIC CHEMISTRY