Patent Assignment
Reel/Frame 044836/0792
Assignment of Assignor's Interest
Recorded: 2017-10-10
Pages: 3
Assignor
DUPONT (CHINA) RESEARCH & DEVELOPMENT AND MANAGEMENT CO., LTD.
Executed: 2014-08-28
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
CHESTNUT RUN PLAZA, 974 CENTRE ROAD, P.O. BOX 2915, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Copper-Containing Conductive Pastes and Electrodes Made Therefrom
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 10, 2017
From: MU, MINFANG; WU, YUNDAN
To: DUPONT (CHINA) RESEARCH & DEVELOPMENT AND MANAGEMENT CO., LTD.
Reel/Frame 043824/0535 →
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 062173/0299 →
Nunc Pro Tunc Assignment
Jan 31, 2026
From: CELANESE MERCURY HOLDINGS INC.
To: CELANESE POLYMERS HOLDING, INC.
Reel/Frame 073651/0503 →
Nunc Pro Tunc Assignment
Jan 31, 2026
From: CELANESE POLYMERS HOLDING, INC.
To: CELANESE SPECIALTY PRODUCTS, INC.
Reel/Frame 073651/0573 →
Nunc Pro Tunc Assignment
Jan 31, 2026
From: CELANESE SPECIALTY PRODUCTS, INC.
To: MICROMAX (US) HOLDINGS LLC
Reel/Frame 073651/0583 →