Inventor

Weizhen Li

Inventor

Liaoning, CN

Overview

4→

Patents

2016–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%

C07CAcyclic or carbocyclic compounds17%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

B01DSeparation6%

C07BGeneral methods of organic chemistry6%

C07DHeterocyclic compounds6%

F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air6%

F23DBurners6%

PatentTitleYear

10,859,261Catalytic flameless combustion apparatus with extremely low pollutant emission and combustion method2020 9,926,251'Method for separation of close-boiling mixture of polyols'2018 9,266,982'N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (II) complexes thereof'2016 9,266,983'Catalyst composition and process for ethylene oligomerization'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to BEIJING RES INST CHEM IND (2)· patent assignee history

2016Patents assigned to CHINA PETROLEUM & CHEMICAL (2)· patent assignee history

2016Patents assigned to JIA ZHIGUANG (1)· patent assignee history

2016Patents assigned to LI TONGLIN (1)· patent assignee history

2016Based in Beijing, CN· patent location history

2018–2020Patents assigned to DALIAN INST CHEM & PHYSICS CAS (2)· patent assignee history

2018–2020Based in Liaoning, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEIJING RES INST CHEM IND	2	2016
CHINA PETROLEUM & CHEMICAL	2	2016
DALIAN INST CHEM & PHYSICS CAS	2	2018–2020
JIA ZHIGUANG	1	2016
LI TONGLIN	1	2016

Locations

Location	Patents	Span
Liaoning, CN	2	2018–2020
Beijing, CN	2	2016