Inventor

Weiyu DUAN

Inventor
CN

Overview

2→
Patents
2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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 chemistry29%
C10GCracking hydrocarbon oils29%
C01GCompounds containing metals not covered by subclasses c01d or c01f14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to CHINA PETROLEUM & CHEM CORP (2)· patent assignee history
2025Patents assigned to DALIAN RES INSTITUTE OF PETROLEUM AND PETROCHEMICALS SINOPEC CORP (1)· patent assignee history
2025Patents assigned to SINOPEC DALIAN RES INST PETROLEUM & PETROCHEMICALS CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP22025
DALIAN RES INSTITUTE OF PETROLEUM AND PETROCHEMICALS SINOPEC CORP12025
SINOPEC DALIAN RES INST PETROLEUM & PETROCHEMICALS CO LTD12025
Locations
LocationPatentsSpan
CN22025