Patent Assignment
Reel/Frame 019114/0221
Assignment of Assignor's Interest
Recorded: 2007-04-04
Pages: 3
Assignors
SIDDIQUI, JUNAID AHMED, MR
Executed: 2007-02-06
COMPTON, TIMOTHY FREDERICK, MR
Executed: 2007-02-07
RICHARDS, ROBIN EDWARD, MR
Executed: 2007-02-09
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS LLC
7201 HAMILTON BLVD., PATENT DEPT., ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property
(1)
Method for Immobilizing Ligands and Organometallic Compounds on Silica Surface, and Their Application in Chemical Mechanical Planarization
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →