Yong Ding

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for lowering oil pipe in gas well without well-killing, solu...
- Patent number 11,313,192
- Issue date Apr 26, 2022
- PetroChina Company Ltd.
- Xianwen Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing CsPbX3 perovskite quantum dot film by one-step...
- Patent number 11,306,245
- Issue date Apr 19, 2022
- North China Electric Power University
- Yong Ding
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING CsPbX3 PEROVSKITE QUANTUM DOT FILM BY ONE-STEP...
- Publication number 20210108137
- Publication date Apr 15, 2021
- NORTH CHINA ELECTRIC POWER UNIVERSITY
- YONG DING
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD FOR LOWERING OIL PIPE IN GAS WELL WITHOUT WELL-KILLING, SOLU...
- Publication number 20200040682
- Publication date Feb 6, 2020
- PetroChina Company Ltd.
- Xianwen Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...