IP Library › Assignment 022534/0555
Patent Assignment
Reel/Frame 022534/0555

Assignment of Assignor's Interest

Recorded: 2009-04-01 Pages: 3
Assignors
OH, JUNG-HOON
Executed: 2009-03-30
SEO, DONG-CHEOL
Executed: 2009-03-30
SHIN, JIN-BONG
Executed: 2009-03-30
Assignee
KOREA KUMHO PETROCHEMICAL CO., LTD.
KUMBO ASIANA MAIN TOWER #115, SINMUNNO 1-GA, JONGNO-GU, SEOUL, 110-857, KOREA, REPUBLIC OF
Covered Property (1)
Photoacid Generator Containing Aromatic Ring
Patent: 8,026,390 →
Application: 12/384,191 →
Publication: US 2010/0113818
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 2, 2020
From: KOREA KUMHO PETROCHEMICAL CO., LTD.
To: SK MATERIALS PERFORMANCE CO., LTD.
Reel/Frame 053108/0459 →