Patent Assignment
Reel/Frame 017218/0682
Assignment of Assignor's Interest
Recorded: 2006-01-30
Pages: 5
Assignor
EKC TECHNOLOGY, INC.
Executed: 2005-08-23
Assignee
DUPONT AIR PRODUCTS NANOMATERIALS LLC
2507 WEST ERIE DRIVE, TEMPE, ARIZONA, 85282
Covered Properties
(3)
Compositions for chemical mechanical planarization of tungsten
Application:
09/757,559 →
Publication:
US 2002/0125460
Catalytic composition for chemical-mechanical polishing, method of using same, and substrate treated with same
Application:
10/074,757 →
Publication:
US 2003/0162398
Chemical Mechanical Polishing Composition and Process
Application:
60/023,299 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 21, 1997
From: SMALL, ROBERT J.; MCGHEE, LAURENCE
To: EKC TECHNOLOGY, INC.
Reel/Frame 008486/0167 →
Assignment of Assignor's Interest
Jan 9, 2001
From: TREDINNICK, BRUCE
To: EKC TECHNOLOGY, INC.
Reel/Frame 011471/0102 →
Assignment of Assignor's Interest
Apr 15, 2002
From: SMALL, ROBERT J.; SCOTT, BRANDON S.
To: EKC TECHNOLOGY, INC.
Reel/Frame 012829/0368 →
Assignment of Assignor's Interest
Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →