IP Library › Assignment 072651/0908
Patent Assignment
Reel/Frame 072651/0908

Assignment of Assignor's Interest

Recorded: 2025-10-23 Pages: 12
Assignors
PARK, HYO-SOON
Executed: 2022-04-28
KIL, JOON-HYUNG
Executed: 2022-04-29
PARK, KYOUNG-JIN
Executed: 2022-04-28
CHO, SANG-HEE
Executed: 2022-04-28
PARK, SO-MI
Executed: 2022-04-28
Assignee
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
56, 3-GONDAN 1-RO, SEOBUK-GU, CHEONAN-SI, CHUNGCHEONGNAM-DO, 31093, KOREA, REPUBLIC OF
Covered Property (1)
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
Application: 17/883,537 →
Publication: US 2023/0128431
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Oct 17, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS KOREA LTD
To: DUPONT SPECIALTY MATERIALS KOREA LTD
Reel/Frame 069185/0438 →
Change of Name Nov 11, 2024
From: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
To: DUPONT SPECIALTY MATERIALS KOREA LTD.
Reel/Frame 069316/0857 →