Qinghua Duan

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Gradient copolymer, its production and application thereof
- Patent number 11,028,334
- Issue date Jun 8, 2021
- China Petroleum and Chemical Corporation
- Yao Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amine polymer and preparation method and use thereof
- Patent number 10,968,313
- Issue date Apr 6, 2021
- China Petroleum and Chemical Corporation
- Xin Cheng
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Benzotriazole derivative, preparation process and the use thereof
- Patent number 10,822,359
- Issue date Nov 3, 2020
- China Petroleum and Chemical Corporation
- Shuo Su
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricating oil composition and production thereof
- Patent number 9,593,290
- Issue date Mar 14, 2017
- China Petroleum and Chemical Corporation
- Shihao Xin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Mannich base, production and use thereof
- Patent number 9,587,198
- Issue date Mar 7, 2017
- China Petroleum and Chemical Corporation
- Shihao Xin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hindered phenol compound, preparation thereof and use thereof as an...
- Patent number 9,512,380
- Issue date Dec 6, 2016
- China Petroleum and Chemical Corporation
- Shuo Su
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Organic molybdenum additive, its preparation method, a lubricating...
- Patent number 8,697,616
- Issue date Apr 15, 2014
- China Petroleum and Chemical Corporation
- Wei Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR PREPARING POLYALPHAOLEFIN
- Publication number 20230211309
- Publication date Jul 6, 2023
- China Petroleum and Chemical Corporation
- Shuo SU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
APPARATUS AND METHOD FOR PREPARING POLY-ALPHA-OLEFIN
- Publication number 20230167204
- Publication date Jun 1, 2023
- China Petroleum and Chemical Corporation
- Xin CHENG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ESTER COMPOUND AND PREPARATION METHOD THEREFOR AND USES THEREOF
- Publication number 20230012456
- Publication date Jan 12, 2023
- China Petroleum and Chemical Corporation
- Yao ZHANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
GRADIENT COPOLYMER, ITS PRODUCTION AND APPLICATION THEREOF
- Publication number 20190169521
- Publication date Jun 6, 2019
- China Petroleum and Chemical Corporation
- Yao ZHANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BENZOTRIAZOLE DERIVATIVE, PREPARATION PROCESS AND THE USE THEREOF
- Publication number 20190106446
- Publication date Apr 11, 2019
- China Petroleum and Chemical Corporation
- Shuo SU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AMINE POLYMER AND PREPARATION METHOD AND USE THEREOF
- Publication number 20180362710
- Publication date Dec 20, 2018
- China Petroleum and Chemical Corporation
- Xin CHENG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HINDERED PHENOL COMPOUND, PREPARATION THEREOF AND USE THEREOF AS AN...
- Publication number 20150353858
- Publication date Dec 10, 2015
- Shuo SU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
MANNICH BASE, PRODUCTION AND USE THEREOF
- Publication number 20150121747
- Publication date May 7, 2015
- China Petroleum and Chemical Corporation
- Shihao Xin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICATING OIL COMPOSITION AND PRODUCTION THEREOF
- Publication number 20150126420
- Publication date May 7, 2015
- China Petroleum and Chemical Corporation
- Shihao Xin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ORGANIC MOLYBDENUM ADDITIVE, ITS PREPARATION METHOD, A LUBRICATING...
- Publication number 20090156443
- Publication date Jun 18, 2009
- China Petroleum and Chemical Corporation
- Wei Xu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Qinghua Duan

Person

Patents Grantslast 30 patents

Gradient copolymer, its production and application thereof

Amine polymer and preparation method and use thereof

Benzotriazole derivative, preparation process and the use thereof

Lubricating oil composition and production thereof

Mannich base, production and use thereof

Hindered phenol compound, preparation thereof and use thereof as an...

Organic molybdenum additive, its preparation method, a lubricating...

Patents Applicationslast 30 patents

DEVICE AND METHOD FOR PREPARING POLYALPHAOLEFIN

APPARATUS AND METHOD FOR PREPARING POLY-ALPHA-OLEFIN

ESTER COMPOUND AND PREPARATION METHOD THEREFOR AND USES THEREOF

GRADIENT COPOLYMER, ITS PRODUCTION AND APPLICATION THEREOF

BENZOTRIAZOLE DERIVATIVE, PREPARATION PROCESS AND THE USE THEREOF

AMINE POLYMER AND PREPARATION METHOD AND USE THEREOF

HINDERED PHENOL COMPOUND, PREPARATION THEREOF AND USE THEREOF AS AN...

MANNICH BASE, PRODUCTION AND USE THEREOF

LUBRICATING OIL COMPOSITION AND PRODUCTION THEREOF

ORGANIC MOLYBDENUM ADDITIVE, ITS PREPARATION METHOD, A LUBRICATING...