LexDanaLexDanabeta
Inventor

Huixia MA

Inventor
CN

Overview

3→
Patents
2022–2025
Patent span
Performing operations
Primary field (CPC B)

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 chemistry38%
C07CAcyclic or carbocyclic compounds38%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
12,269,786Preparation method and production device for propylene202512,060,319Preparation process for Cu-based catalyst and use thereof202411,260,374Cu-based catalyst, its preparation process and use thereof2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to CHINA PETROLEUM & CHEM CORP (3)· patent assignee history
2022–2024Patents assigned to DALIAN RES INSTITUTE OF PETROLEUM AND PETROCHEMICALS SINOPEC CORP (2)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to SINOPEC DALIAN RES INST PETROLEUM & PETROCHEMICALS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP32022–2025
DALIAN RES INSTITUTE OF PETROLEUM AND PETROCHEMICALS SINOPEC CORP22022–2024
SINOPEC DALIAN RES INST PETROLEUM & PETROCHEMICALS CO LTD12025
Locations
LocationPatentsSpan
CN32022–2025