IP Library › Assignment 021647/0354
Patent Assignment
Reel/Frame 021647/0354

Assignment of Assignor's Interest

Recorded: 2008-10-08 Pages: 2
Assignors
SIDDIQUI, JUNAID AHMED
Executed: 2008-09-17
USMANI, SAIFI
Executed: 2008-09-12
Assignee
DUPONT AIR PRODUCTS NANOMATEIALS LLC
7201 HAMILTON BLVD., ALLENTOWN, PENNSYLVANIA, 181951501
Covered Property (1)
Method for Chemical Mechanical Planarization of Chalcogenide Materials
Patent: 7,915,071 →
Application: 12/193,303 →
Publication: US 2009/0057661
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 →