Patent Assignment
Reel/Frame 018567/0511
Assignment of Assignor's Interest
Recorded: 2006-11-30
Pages: 3
Assignors
HANG, KENNETH WARREN
Executed: 2006-11-13
MCCOMBS, MARK FREDERICK
Executed: 2006-11-13
NAIR, KUMARAN MANIKANTAN
Executed: 2006-11-13
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Lead Free Glass(Es), Thick Film Paste(S), Tape Composition(S) and Low Temperature Cofired Ceramic Devices Made Therefrom
Related Assignments
(6)
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 062173/0299 →
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
Jan 24, 2026
From: CELANESE MERCURY HOLDINGS INC.
To: CELANESE POLYMERS HOLDING, INC.
Reel/Frame 074491/0515 →
Assignment of Assignor's Interest
Jan 25, 2026
From: CELANESE POLYMERS HOLDING, INC.
To: CELANESE SPECIALTY PRODUCTS, INC.
Reel/Frame 074491/0555 →
Assignment of Assignor's Interest
Jan 26, 2026
From: CELANESE SPECIALTY PRODUCTS, INC.
To: MICROMAX (US) HOLDINGS LLC
Reel/Frame 074501/0151 →