IP Library › Assignment 028652/0372
Patent Assignment
Reel/Frame 028652/0372

Assignment of Assignor's Interest

Recorded: 2012-07-26 Pages: 3
Assignors
OH, JUNG HOON
Executed: 2012-07-19
YOON, DAE KYUNG
Executed: 2012-07-19
CHO, SEUNG DUK
Executed: 2012-07-20
PARK, SO JEONG
Executed: 2012-07-20
Assignee
KOREA KUMHO PETROCHEMICAL CO., LTD.
KUMHO ASIANA MAIN TOWER, #115, SINMUNNO 1-GA, JONGNO-GU, SEOUL, 110-857, KOREA, REPUBLIC OF
Covered Property (1)
Sulfonium Compound, Photoacid Generator, and Resist Composition
Patent: 8,853,441 →
Application: 13/557,893 →
Publication: US 2013/0035503
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 →