Patent Assignment
Reel/Frame 015663/0894
Assignment of Assignor's Interest
Recorded: 2004-08-09
Pages: 2
Assignor
EKC TECHNOLOGY, INC.
Executed: 2003-06-02
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS, LLC
2507 W. ERIE DRIVE, TEMPE, ARIZONA, 85282
Covered Property
(1)
Catalyst Attached to Solid and Used to Promote Free Radical Formation in Cmp Formulations
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 12, 2004
From: SCOTT, BRANDON SHANE; SMALL, ROBERT J.
To: EKC TECHNOLOGY, INC.
Reel/Frame 014422/0090 →
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 →
Patent Security Agreement
Oct 27, 2016
From: VERSUM MATERIALS US, LLC
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 040503/0442 →
Assignment of Assignor's Interest
Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →
Release of Security Interest
Oct 7, 2019
From: CITIBANK, N.A., AS AGENT
To: VERSUM MATERIALS US, LLC
Reel/Frame 050647/0001 →