IP Library › Assignment 021545/0739
Patent Assignment
Reel/Frame 021545/0739

Assignment of Assignor's Interest

Recorded: 2008-09-05 Pages: 3
Assignors
JUNG, SUNG-DO
Executed: 2008-06-17
KIM, JIN-HO
Executed: 2008-06-17
OH, JUNG-HOON
Executed: 2008-06-18
LIM, HYUN-SOON
Executed: 2008-06-17
Assignee
KOREA KUMHO PETROCHEMICAL CO., LTD.
#57, SHINMUNRO 1-GA, CHONGNO-GU, SEOUL, 110-061, KOREA, REPUBLIC OF
Covered Property (1)
Acid Generating Agent for Chemically Amplified Resist Compositions
Patent: 8,241,831 →
Application: 12/231,814 →
Publication: US 2009/0291390
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 →