LexDanaLexDanabeta
Inventor

CHING-YUAN CHANG

Inventor
TW

Overview

1→
Patents
2024
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 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 chemistry50%
C07DHeterocyclic compounds50%
PatentTitleYear
11,998,894Composite solid base catalyst, manufacturing method thereof and manufacturing method of glycidol2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to CHANG CHUN PETROCHEMICAL CO LTD (1)· patent assignee history
2024Patents assigned to CHANG CHUN PLASTICS CO LTD (1)· patent assignee history
2024Patents assigned to DAIREN CHEMICAL CORP (1)· patent assignee history
2024Patents assigned to UNIV NAT TSING HUA (1)· patent assignee history
2024Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG CHUN PETROCHEMICAL CO LTD12024
CHANG CHUN PLASTICS CO LTD12024
DAIREN CHEMICAL CORP12024
UNIV NAT TSING HUA12024
Locations
LocationPatentsSpan
TW12024