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Inventor

Chi He Chen

Inventor
Kaohsiung, TW

Overview

3→
Patents
2009–2012
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
8,097,756'Process for producing carboxylic acid anhydrides'20127,671,233'Process for preparing carboxylic acid'20107,553,991'Process for producing carboxylic acid anhydrides'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2012Patents assigned to CHINA PETROCHEMICAL DEV CORP (3)· patent assignee history
2009Based in Renwu Township, TW· patent location history
2010Based in Taipei, TW· patent location history
2012Patents assigned to CHEN CHI HE (1)· patent assignee history
2012Patents assigned to SHEN CHIA HUI (1)· patent assignee history
2012Patents assigned to TSAI CHIA JUNG (1)· patent assignee history
2012Patents assigned to TU CHING LIANG (1)· patent assignee history
2012Based in Kaohsiung, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROCHEMICAL DEV CORP32009–2012
CHEN CHI HEself12012
SHEN CHIA HUI12012
TSAI CHIA JUNG12012
TU CHING LIANG12012
Locations
LocationPatentsSpan
Kaohsiung, TW12012
Taipei, TW12010
Renwu Township, TW12009