Dongfeng Li

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for recovering C2—C4 components in methane-con...
- Patent number 12,110,460
- Issue date Oct 8, 2024
- China Petroleum and Chemical Corporation
- Huawei Shao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for separating light hydrocarbons
- Patent number 11,649,406
- Issue date May 16, 2023
- China Petroleum and Chemical Corporation
- Shujuan Luo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Composite for catalytic distillation and its preparation
- Patent number 7,642,388
- Issue date Jan 5, 2010
- China Petroleum and Chemical Corporation
- Yuanyi Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composite for catalytic distillation and its preparation
- Patent number 7,226,884
- Issue date Jun 5, 2007
- China Petroleum and Chemical Corporation
- Yuanyi Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for preparation of ethylbenzene by alkylation...
- Patent number 6,504,071
- Issue date Jan 7, 2003
- Beijing Institute of Clothing Technology
- Jirui Zhang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
MALEIC ANHYDRIDE HYDROGENATION PROCESS AND SUCCINIC ACID PRODUCTION...
- Publication number 20250042867
- Publication date Feb 6, 2025
- China Petroleum and Chemical Corporation
- Changjiang WU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR SELECTIVE HYDROGENATION OF BUTADIENE EXTRACTION TAIL GAS...
- Publication number 20240076559
- Publication date Mar 7, 2024
- China Petroleum and Chemical Corporation
- Yan LI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Method and Apparatus for Recovering C2-C4 Components in Methane-Con...
- Publication number 20220389337
- Publication date Dec 8, 2022
- China Petroleum and Chemical Corporation
- Huawei SHAO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD AND SYSTEM FOR SEPARATING LIGHT HYDROCARBONS
- Publication number 20210348071
- Publication date Nov 11, 2021
- China Petroleum and Chemical Corporation
- Shujuan LUO
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
COMPOSITE FOR CATALYTIC DISTILLATION AND ITS PREPARATION
- Publication number 20070203375
- Publication date Aug 30, 2007
- Yuanyi Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Composite for catalytic distillation and its preparation
- Publication number 20030220187
- Publication date Nov 27, 2003
- Yuanyi Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and apparatus for preparation of ethylbenzene by alkylation...
- Publication number 20010018545
- Publication date Aug 30, 2001
- Jirui Zhang
- C07 - ORGANIC CHEMISTRY

Dongfeng Li

Person

Patents Grantslast 30 patents

Method and apparatus for recovering C2—C4 components in methane-con...

Method and system for separating light hydrocarbons

Composite for catalytic distillation and its preparation

Composite for catalytic distillation and its preparation

Process and apparatus for preparation of ethylbenzene by alkylation...

Patents Applicationslast 30 patents

MALEIC ANHYDRIDE HYDROGENATION PROCESS AND SUCCINIC ACID PRODUCTION...

METHOD FOR SELECTIVE HYDROGENATION OF BUTADIENE EXTRACTION TAIL GAS...

Method and Apparatus for Recovering C2-C4 Components in Methane-Con...

METHOD AND SYSTEM FOR SEPARATING LIGHT HYDROCARBONS

COMPOSITE FOR CATALYTIC DISTILLATION AND ITS PREPARATION

Composite for catalytic distillation and its preparation

Process and apparatus for preparation of ethylbenzene by alkylation...