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Dongcheng, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for preparing COF-protected electrolytic hydrogen production...
Patent number
11,965,257
Issue date
Apr 23, 2024
Huaneng Clean Energy Research Institute
Chang Zhang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
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
Use of organic framework porous solid acid
Patent number
9,056,823
Issue date
Jun 16, 2015
PetroChina Company Limited
Wenpeng Li
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METALLOCENE COMPOUND, AND PREPARATION METHOD AND APPLICATION THEREOF
Publication number
20240336645
Publication date
Oct 10, 2024
Petrochina Company Limited
Yulong WANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CATALYST FOR COPOLYMERIZATION OF ETHYLENE AND METHYL METHACRYLATE,...
Publication number
20240270879
Publication date
Aug 15, 2024
Petrochina Company Limited
Qian CHEN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING COF-PROTECTED ELECTROLYTIC HYDROGEN PRODUCTION...
Publication number
20240035178
Publication date
Feb 1, 2024
HUANENG CLEAN ENERGY RESEARCH INSTITUTE
Chang Zhang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
USE OF ORGANIC FRAMEWORK POROUS SOLID ACID
Publication number
20140235891
Publication date
Aug 21, 2014
PetroChina Company Limited
Wenpeng Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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