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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 and catalyst for selective oligomerization of ethylene
- Patent number 11,298,693
- Issue date Apr 12, 2022
- PetroChina Company Limited
- Buwei Yu
- 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 AND CATALYST FOR SELECTIVE OLIGOMERIZATION OF ETHYLENE
- Publication number 20190388882
- Publication date Dec 26, 2019
- Petrochina Company Limited
- Buwei YU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL