IP Library Assignment 018946/0906
Patent Assignment
Reel/Frame 018946/0906

Assignment of Assignor's Interest

Recorded: 2007-03-01 Pages: 3
Assignors
SIDDIQUI, JUNAID AHMED
Executed: 2007-01-10
MCCONNELL, RACHEL DIANNE
Executed: 2007-01-11
USMANI, SAIFI
Executed: 2007-01-11
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS LLC
7201 HAMILTON BLVD., PATENT DEPT., ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property (1)
Method and slurry for tuning low-k versus copper removal rates during chemical mechanical polishing
Application: 11/643,519 →
Publication: US 2008/0149884
Related Assignments (2)
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 →
Assignment of Assignor's Interest Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →