Patent Assignment
Reel/Frame 014713/0619
Assignment of Assignor's Interest
Recorded: 2004-06-09
Pages: 3
Assignors
SMALL, ROBERT J.
Executed: 2004-05-27
FREY, DONALD WILLIAM
Executed: 2004-05-17
TREDINNICK, BRUCE
Executed: 2004-05-24
HAYDEN, CHRISTOPHER G.
Executed: 2004-06-09
Assignee
EKC TECHNOLOGY, INC.
2520 BARRINGTON COURT, HAYWARD, CONNECTICUT, 94545-1163
Covered Property
(1)
Particulate or Particle-Bound Chelating Agents
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 31, 2005
From: EKC TECHNOLOGY, INC.
To: DUPONT AIR PRODUCTS NANOMATEIRALS L.L.C.
Reel/Frame 016700/0301 →
Assignment of Assignor's Interest
Jul 3, 2012
From: DUPONT AIR PRODUCTS NANOMATERIALS LLC
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 028487/0205 →
Assignment of Assignor's Interest
Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →