IP Library Assignment 021865/0269
Patent Assignment
Reel/Frame 021865/0269

Assignment of Assignor's Interest

Recorded: 2008-11-20 Pages: 2
Assignors
SAWAYDA, REBECCA A.
Executed: 2008-10-29
PALMER, BENTLEY J.
Executed: 2008-10-29
Assignee
DUPONT AIR PRODUCTS MANOMATERIALS LLC
7201 HAMILTON BLVD., ALLENTOWN, PENNSYLVANIA, 181951501
Covered Property (1)
Polishing Slurry for Copper Films
Patent: 8,506,661 →
Application: 12/257,950 →
Publication: US 2010/0101448
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 →