Patent Assignment
Reel/Frame 068822/0289
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)
Sintering Methods
Application:
63/609,899 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 7, 2024
From: DUPONT POLYMERS, INC.
To: DU PONT CHINA LIMITED
Reel/Frame 066399/0061 →
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: OZAWA, KAZUTAKA; ROSENFELD, HENRY; NAKAMOTO, AYA; FUKUI, YUSHI
To: DUPONT POLYMERS, INC.
Reel/Frame 072762/0180 →