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Inventor profile of:

Dongfeng Li

City:

Beijing

Country:

China

Published Applications:

Last publication date:

2026-06-04

Top Assignees for applications by Dongfeng Li

The entities that hold a legal rights for patent applications filed by inventor Li Dongfeng:

CHINA PETROLEUM CHEMICAL CORPORATION 5 BEIJING, China
HUAWEI TECHNOLOGIES CO., LTD. 3 Shenzhen, China
BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION 3 Beijing, China
SINOPEC Beijing Research Institute of Chemical Industry 2 Beijing, China

Recent patent applications by Li Dongfeng

Dongfeng Li from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-06-04

US20260152464A1

Chemistry; metallurgy

METHOD FOR PREPARING HEXAMETHYLENEDIAMINE

#2 | 2025-02-06

US20250042867A1

Chemistry; metallurgy

MALEIC ANHYDRIDE HYDROGENATION PROCESS AND SUCCINIC ACID PRODUCTION PROCESS COMPRISING THE SAME

#3 | 2024-03-07

US20240076559A1

Chemistry; metallurgy

METHOD FOR SELECTIVE HYDROGENATION OF BUTADIENE EXTRACTION TAIL GAS AND SELECTIVE HYDROGENATION APPARATUS THEREOF

#4 | 2022-12-08

US20220389337A1

Chemistry; metallurgy

Method and apparatus for recovering C2—C4 components in methane-containing industrial gas

#5 | 2022-08-11

US20220255873A1

Electricity

Data transmission method and apparatus

#6 | 2022-07-07

US20220217089A1

Electricity

Path traffic allocation method, network device, and network system

#7 | 2022-04-21

US20220124044A1

Electricity

MEASUREMENT REPORTING METHOD AND NETWORK NODE

#8 | 2022-04-21

US20220124034A1

Electricity

Congestion Measurement Method And Network Node

#9 | 2021-11-11

US20210348071A1

Chemistry; metallurgy

Method and system for separating light hydrocarbons

#10 | 2007-08-30

US20070203375A1

Performing operations; transporting

Composite for catalytic distillation and its preparation

#11 | 2007-06-05

US10361084

Composite for catalytic distillation and its preparation

InventorID:

4480212 ⎘