Hongling CHU

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Daqing City, 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 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
Information Patent Grant
Sulfur-resistant catalyst for aromatics saturated hydrogenation and...
- Patent number 10,258,965
- Issue date Apr 16, 2019
- PetroChina Company Limited
- Xiaodong Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION AND RECOVERY METHOD FOR BORON TRIFLUORIDE AND COMPLEX TH...
- Publication number 20240002243
- Publication date Jan 4, 2024
- PETROCHINA COMPANY LIMITED
- Tong LIU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CATALYST COMPOSITION FOR POLYMERIZATION OF a-OLEFIN AND PREPARATION...
- Publication number 20230374169
- Publication date Nov 23, 2023
- Petrochina Company Limited
- Yuanyuan Cao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Information Patent Application
Sulfur-resistant Catalyst for Aromatics Saturated Hydrogenation and...
- Publication number 20160167017
- Publication date Jun 16, 2016
- Petrochina Company Limited
- Xiaodong YANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL