Patent Assignment
Reel/Frame 052284/0613
Assignment of Assignor's Interest
Recorded: 2020-04-01
Pages: 2
Assignor
MATSUURA, YUMI
Executed: 2020-04-01
Assignee
E I DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA 721/2340, 974 CENTRE ROAD, P.O. BOX 2915, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Conductive Paste for Bonding
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT ELECTRONICS, INC.
Reel/Frame 049583/0269 →
Assignment of Assignor's Interest
Dec 20, 2022
From: DUPONT ELECTRONICS, INC.
To: DU PONT CHINA LIMITED
Reel/Frame 062157/0390 →
Change of Name
Mar 20, 2025
From: DU PONT CHINA LIMITED
To: CELANESE MERCURY HOLDINGS INC.
Reel/Frame 070567/0231 →