IP Library Assignment 015362/0150
Patent Assignment
Reel/Frame 015362/0150

Assignment of Assignor's Interest

Recorded: 2004-05-24 Pages: 2
Assignor
SIDDIQUI, JUNAID AHMED
Executed: 2004-05-14
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS LLC
PATENT DEPARTMENT, 7201 HAMILTON BOULEVARD, ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property (1)
Surface Modified Colloidal Abrasives, Including Stable Bimetallic Surface Coated Silica Sols for Chemical Mechanical Planarization
Patent: 7,077,880 →
Application: 10/759,666 →
Publication: US 2005/0155296
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 →