IP Library Assignment 023529/0349
Patent Assignment
Reel/Frame 023529/0349

Assignment of Assignor's Interest

Recorded: 2009-11-17 Pages: 5
Assignors
KIM, JEONG GON
Executed: 2009-03-26
LEE, JONG HWA
Executed: 2009-03-26
SEO, SUNG DUCK
Executed: 2009-03-26
YU, YEONG IM
Executed: 2008-09-23
Assignee
AEKYUNG PETROCHEMICAL CO., LTD.
106-3, GURO5-DONG, GURO-GU, SEOUL, 152-842, KOREA, REPUBLIC OF
Covered Property (1)
Manufacturing Method of Polyaspartic Acid Using Maleic Anhydride
Patent: 8,729,218 →
Application: 12/442,886 →
Publication: US 2010/0076161
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jan 10, 2022
From: AEKYUNG PETROCHEMICAL CO., LTD.
To: AEKYUNG CHEMICAL CO. LTD.
Reel/Frame 058672/0941 →