Changsheng Chen

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reaction system, catalyst and method for preparing β-phenylethanol
- Patent number 11,389,780
- Issue date Jul 19, 2022
- WANHUA CHEMICAL GROUP CO., LTD
- Wei Zeng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for preparing 1,5-pentanediol via hydrogenolysis of tetrah...
- Patent number 10,974,233
- Issue date Apr 13, 2021
- Wanhua Chemical Group Co., Ltd.
- Jianglin Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Silicalite-1 molecular sieve-based catalyst and preparation method...
- Patent number 10,898,883
- Issue date Jan 26, 2021
- WANHUA CHEMICAL GROUP CO., LTD
- Jianglin Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing 3-aminomethyl-3,5,5-trimethyl cyclohexylamine
- Patent number 9,624,162
- Issue date Apr 18, 2017
- Wanhua Chemical Group Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-aminomethyl-3, 5, 5-trimethyl cyclohexylamine preparation method
- Patent number 8,829,245
- Issue date Sep 9, 2014
- Wanhua Chemical Group Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REACTION SYSTEM, CATALYST AND METHOD FOR PREPARING BETA-PHENYLETHANOL
- Publication number 20200298198
- Publication date Sep 24, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Wei ZENG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SILICALITE-1 MOLECULAR SIEVE-BASED CATALYST AND PREPARATION METHOD...
- Publication number 20200139353
- Publication date May 7, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Jianglin HU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR PREPARING 1,5-PENTANEDIOL VIA HYDROGENOLYSIS OF TETRAH...
- Publication number 20200009544
- Publication date Jan 9, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Jianglin HU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method For Preparing 3-Aminomethyl-3,5,5-Trimethyl Cyclohexylamine
- Publication number 20150315133
- Publication date Nov 5, 2015
- WANHUA CHEMICAL GROUP CO., LTD.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
3-AMINOMETHYL-3, 5, 5-TRIMETHYL CYCLOHEXYLAMINE PREPARATION METHOD
- Publication number 20140142341
- Publication date May 22, 2014
- Wanhua Chemical (Ningbo) Co., Ltd.
- Changsheng Chen
- C07 - ORGANIC CHEMISTRY