IP Library Assignment 016272/0419
Patent Assignment
Reel/Frame 016272/0419

Assignment of Assignor's Interest

Recorded: 2005-05-24 Pages: 3
Assignor
CHELLE, PHILIPPE H.
Executed: 2005-03-07
Assignee
EKC TECHNOLOGY, INC.
2520 BARRINGTON COURT, HAYWARD, CALIFORNIA, 94545-1163
Covered Property (1)
Alumina Abrasive for Chemical Mechanical Polishing
Patent: 7,344,988 →
Application: 10/972,616 →
Publication: US 2005/0194358
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 →