IP Library › Assignment 068822/0295
Patent Assignment
Reel/Frame 068822/0295

Change of Name

Recorded: 2024-08-30 Pages: 3
Assignor
DU PONT CHINA LIMITED
Executed: 2023-12-12
Assignee
CELANESE MERCURY HOLDINGS INC.
BUILDING 304, EXPERIMENTAL STATION, 200 POWDER MILL ROAD, WILMINGTON, DELAWARE, 19803
Covered Property (1)
Semiconductor Device and Methods of Manufacturing a Semiconductor Device
Application: 63/612,389 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 20, 2025
From: DU PONT CHINA LIMITED
To: CELANESE MERCURY HOLDINGS INC.
Reel/Frame 070567/0231 →
Assignment of Assignor's Interest Nov 3, 2025
From: YU, SHUFANG; ROSENFELD, HENRY; LEE, HSIN-CHENG; YANG, CHIH-LIANG
To: DU PONT CHINA LIMITED
Reel/Frame 072762/0064 →