IP Library Assignment 019547/0211
Patent Assignment
Reel/Frame 019547/0211

Assignment of Assignor's Interest

Recorded: 2007-07-11 Pages: 3
Assignor
SIDDIQUI, JUNAID
Executed: 2007-06-13
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS LLC
2507 WEST ERIE DRIVE, TEMPE, ARIZONA, 85282
Covered Property (1)
Fluoride-Modified Silica Sols for Chemical Mechanical Planarization
Patent: 8,163,049 →
Application: 11/783,191 →
Publication: US 2007/0251156
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 →