Inventor

Hongling CHU

Inventor

Overview

3→

Patents

2022–2025

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%

C10GCracking hydrocarbon oils20%

C07CAcyclic or carbocyclic compounds10%

C07DHeterocyclic compounds10%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

C10MLubricating compositions10%

PatentTitleYear

12,503,523Catalyst composition for polymerization of a-olefin and preparation and use thereof2025 11,352,572Low viscosity poly-a-olefin lubricating oil and synthesis method thereof2022 11,298,693Method and catalyst for selective oligomerization of ethylene2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to PETROCHINA CO LTD (3)· patent assignee history

2022–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PETROCHINA CO LTD	3	2022–2025

Locations

Location	Patents	Span
CN	3	2022–2025