Hongchang Duan

Person

Lanzhou City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for modifying molecular sieve and a catalytic cracking catal...
- Patent number 11,084,024
- Issue date Aug 10, 2021
- PetroChina Company Limited
- Shuhong Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phosphorus-containing ultrastable Y-type rare earth molecular sieve...
- Patent number 9,968,915
- Issue date May 15, 2018
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Catalytic cracking catalyst for high-efficiency conversion of heavy...
- Patent number 9,968,918
- Issue date May 15, 2018
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Double-component modified molecular sieve with improved hydrotherma...
- Patent number 9,895,686
- Issue date Feb 20, 2018
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High light received heavy oil catalytic cracking catalyst and prepa...
- Patent number 9,889,439
- Issue date Feb 13, 2018
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Heavy oil catalytic cracking catalyst and preparation method therefor
- Patent number 9,844,772
- Issue date Dec 19, 2017
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnesium modified ultra-stable rare earth Y-type molecular sieve a...
- Patent number 9,840,422
- Issue date Dec 12, 2017
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ultra-stable rare earth Y-type molecular sieve and preparation meth...
- Patent number 9,789,475
- Issue date Oct 17, 2017
- PetroChina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Modified molecular sieve characterized by improved sodium-contamina...
- Patent number 8,545,803
- Issue date Oct 1, 2013
- PetroChina Company Limited
- Xionghou Gao
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Method for Modifying Molecular Sieve and a Catalytic Cracking Catal...
- Publication number 20180229223
- Publication date Aug 16, 2018
- Shuhong Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PHOSPHORUS-CONTAINING ULTRASTABLE Y-TYPE RARE EARTH MOLECULAR SIEVE...
- Publication number 20150209767
- Publication date Jul 30, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MAGNESIUM MODIFIED ULTRA-STABLE RARE EARTH Y-TYPE MOLECULAR SIEVE A...
- Publication number 20150175432
- Publication date Jun 25, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYTIC CRACKING CATALYST FOR HIGH-EFFICIENCY CONVERSION OF HEAVY...
- Publication number 20150165428
- Publication date Jun 18, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ULTRA-STABLE RARE EARTH Y-TYPE MOLECULAR SIEVE AND PREPARATION METH...
- Publication number 20150151284
- Publication date Jun 4, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Heavy Oil Catalytic Cracking Catalyst and Preparation Method Therefor
- Publication number 20150080209
- Publication date Mar 19, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
High Light Received Heavy Oil Catalytic Cracking Catalyst and Prepa...
- Publication number 20150011378
- Publication date Jan 8, 2015
- Petrochina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DOUBLE-COMPONENT MODIFIED MOLECULAR SIEVE WITH IMPROVED HYDROTHERMA...
- Publication number 20120275994
- Publication date Nov 1, 2012
- Petrochina Company Limited
- Xionghou Gao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MODIFIED MOLECULAR SIEVE CHARACTERIZED BY IMPROVED SODIUM-RESISTING...
- Publication number 20120213695
- Publication date Aug 23, 2012
- PetroChina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Hongchang Duan

Person

Patents Grantslast 30 patents

Method for modifying molecular sieve and a catalytic cracking catal...

Phosphorus-containing ultrastable Y-type rare earth molecular sieve...

Catalytic cracking catalyst for high-efficiency conversion of heavy...

Double-component modified molecular sieve with improved hydrotherma...

High light received heavy oil catalytic cracking catalyst and prepa...

Heavy oil catalytic cracking catalyst and preparation method therefor

Magnesium modified ultra-stable rare earth Y-type molecular sieve a...

Ultra-stable rare earth Y-type molecular sieve and preparation meth...

Modified molecular sieve characterized by improved sodium-contamina...

Patents Applicationslast 30 patents

Method for Modifying Molecular Sieve and a Catalytic Cracking Catal...

PHOSPHORUS-CONTAINING ULTRASTABLE Y-TYPE RARE EARTH MOLECULAR SIEVE...

MAGNESIUM MODIFIED ULTRA-STABLE RARE EARTH Y-TYPE MOLECULAR SIEVE A...

CATALYTIC CRACKING CATALYST FOR HIGH-EFFICIENCY CONVERSION OF HEAVY...

ULTRA-STABLE RARE EARTH Y-TYPE MOLECULAR SIEVE AND PREPARATION METH...

Heavy Oil Catalytic Cracking Catalyst and Preparation Method Therefor

High Light Received Heavy Oil Catalytic Cracking Catalyst and Prepa...

DOUBLE-COMPONENT MODIFIED MOLECULAR SIEVE WITH IMPROVED HYDROTHERMA...

MODIFIED MOLECULAR SIEVE CHARACTERIZED BY IMPROVED SODIUM-RESISTING...