Chenghan Tang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of a formamide compound
- Patent number 10,889,540
- Issue date Jan 12, 2021
- Beijing J-Tec Technology Co., Ltd.
- Chenghan Tang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Boron-containing synergistic urea and preparation method and applic...
- Patent number 8,882,877
- Issue date Nov 11, 2014
- Beijing J-Tec Technology Co., Ltd.
- Chenghan Tang
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF A FORMAMIDE COMPOUND
- Publication number 20190071391
- Publication date Mar 7, 2019
- BEIJING J-TEC TECHNOLOGY CO., LTD.
- CHENGHAN TANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BORON-CONTAINING SYNERGISTIC UREA AND PREPARATION METHOD AND APPLIC...
- Publication number 20140007633
- Publication date Jan 9, 2014
- BEIJING J-TEC TECHNOLOGY CO., LTD.
- Chenghan Tang
- C05 - FERTILISERS MANUFACTURE THEREOF