Patent Assignment
Reel/Frame 020520/0519
Assignment of Assignor's Interest
Recorded: 2008-02-16
Pages: 5
Assignors
IRIZARRY-RIVERA, ROBERTO
Executed: 2007-09-13
GLICKSMAN, HOWARD DAVID
Executed: 2007-09-11
ALVARADO, VICTOR M. RIVERA
Executed: 2007-10-09
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Process for Making Highly Dispersible Spherical Silver Powder Particles and Silver Particles Formed 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 →