LexDanaLexDanabeta
Inventor

Mingfang Zheng

Inventor
Beijing, CN

Overview

3→
Patents
2016–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 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 chemistry20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C07CAcyclic or carbocyclic compounds13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
C07BGeneral methods of organic chemistry7%
C07DHeterocyclic compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
E21BEarth or rock drilling7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
10,920,127Method for in-depth profile control and displacement of low-permeability oil reservoirs20219,266,982'N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (II) complexes thereof'20169,266,983'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
2016Patents assigned to LI WEIZHEN (1)· patent assignee history
2016–2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING RES INST CHEM IND22016
CHINA PETROLEUM & CHEMICAL22016
JIA ZHIGUANG12016
LI TONGLIN12016
LI WEIZHEN12016
Locations
LocationPatentsSpan
Beijing, CN32016–2021