Patent Assignment
Reel/Frame 019487/0918
Assignment of Assignor's Interest
Recorded: 2007-06-27
Pages: 2
Assignee
AIR PRODUCTS AND CHEMICALS, INC.
7201 HAMILTON BLVD., PATENT DEPT., ALLENTOWN, PENNSYLVANIA, 18195-1501
Covered Property
(1)
Semiconductor Manufacture Employing Isopropanol Drying
Application:
11/752,606 →
Publication:
US 2008/0289660
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2008
From: AIR PRODUCTS AND CHEMICALS, INC.
To: KMG ELECTRONIC CHEMICALS, INC.
Reel/Frame 020859/0167 →
Assignment of Assignor's Interest
Feb 20, 2017
From: AIR PRODUCTS AND CHEMICALS, INC.
To: VERSUM MATERIALS US, LLC
Reel/Frame 041772/0733 →
The Submission Is to Correct an Error Made in a Previously Recorded Document That Erroneously Affects the Identified Application and Patents.
Jun 26, 2020
From: KMG ELECTRONIC CHEMICALS, INC.
To: KMG ELECTRONIC CHEMICALS, INC.
Reel/Frame 053062/0396 →