IP Library › Assignment 026563/0621
Patent Assignment
Reel/Frame 026563/0621

Assignment of Assignor's Interest

Recorded: 2011-07-08 Pages: 3
Assignors
SHI, XIAOBO
Executed: 2011-06-29
PEARLSTEIN, RONALD MARTIN
Executed: 2011-06-29
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS, INC.
2441 WEST ERIE DRIVE, TEMPE, ARIZONA, 85282
Covered Property (1)
Chemical Mechanical Planarization Composition And Method With Low Corrosiveness
Patent: 8,821,751 →
Application: 13/154,662 →
Publication: US 2012/0142191
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 →