Kecheng Wei

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Organophosphorus compound, and preparation process and use thereof
- Patent number 12,122,974
- Issue date Oct 22, 2024
- China Petroleum and Chemical Corporation
- Xiaowei Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol derivative, and preparation process and use thereof
- Patent number 11,787,757
- Issue date Oct 17, 2023
- China Petroleum and Chemical Corporation
- Xiaowei Chen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Gradient copolymer, its production and application thereof
- Patent number 11,028,334
- Issue date Jun 8, 2021
- China Petroleum and Chemical Corporation
- Yao Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic molybdenum additive, its preparation method, a lubricating...
- Patent number 8,697,616
- Issue date Apr 15, 2014
- China Petroleum and Chemical Corporation
- Wei Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC PHOSPHORUS COMPOUND, PREPARATION METHOD THEREFOR, AND USES...
- Publication number 20250034476
- Publication date Jan 30, 2025
- China Petroleum and Chemical Corporation
- Xiaowei CHEN
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PHENOL DERIVATIVE, AND PREPARATION PROCESS AND USE THEREOF
- Publication number 20220041535
- Publication date Feb 10, 2022
- China Petroleum and Chemical Corporation
- Xiaowei CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Organophosphorus compound, and preparation process and use thereof
- Publication number 20210395633
- Publication date Dec 23, 2021
- China Petroleum and Chemical Corporation
- Xiaowei CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
GRADIENT COPOLYMER, ITS PRODUCTION AND APPLICATION THEREOF
- Publication number 20190169521
- Publication date Jun 6, 2019
- China Petroleum and Chemical Corporation
- Yao ZHANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ORGANIC MOLYBDENUM ADDITIVE, ITS PREPARATION METHOD, A LUBRICATING...
- Publication number 20090156443
- Publication date Jun 18, 2009
- China Petroleum and Chemical Corporation
- Wei Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...