Fengrong Wang

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Heilongjian Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low viscosity poly-a-olefin lubricating oil and synthesis method th...
- Patent number 11,352,572
- Issue date Jun 7, 2022
- PetroChina Company Limited
- Hongling Chu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for preparing catalyst coating on metal base plate
- Patent number 9,440,227
- Issue date Sep 13, 2016
- PetroChina Company Limited
- Zhongtao Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .alpha.-olefins
- Patent number 5,817,902
- Issue date Oct 6, 1998
- China Petro-Chemical Corporation
- Minghe Xie
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
LOW VISCOSITY POLY-A-OLEFIN LUBRICATING OIL AND SYNTHESIS METHOD TH...
- Publication number 20200190409
- Publication date Jun 18, 2020
- Petrochina Company Limited
- Hongling CHU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Method for Preparing Catalyst Coating on Metal Base Plate
- Publication number 20130137569
- Publication date May 30, 2013
- Zhongtao Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL