IP Library › Assignment 021178/0134
Patent Assignment
Reel/Frame 021178/0134

Assignment of Assignor's Interest

Recorded: 2008-06-19 Pages: 3
Assignors
OH, JUNG-HOON
Executed: 2008-05-22
SEO, DONG-CHEOL
Executed: 2008-05-22
JOO, HYUN-SANG
Executed: 2008-05-22
LEE, CHANG-SOO
Executed: 2008-05-22
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: 8,779,183 →
Application: 12/214,429 →
Publication: US 2009/0234155
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 →