Patent Assignment
Reel/Frame 020540/0146
Assignment of Assignor's Interest
Recorded: 2008-02-21
Pages: 8
Assignor
AIR PRODUCTS AND CHEMICALS, INC.
Executed: 2008-01-01
Assignee
KMG ELECTRONIC CHEMICALS, INC.
10611 HARWIN DRIVE, SUITE 402, HOUSTON, TEXAS, 77036
Covered Properties
(4)
Composition and Method for Selectively Etching a Silicon Nitride Film
Patent:
6,162,370 →
Application:
09/141,897 →
Valve Assembly with Flush and Sample Capability
Patent:
6,125,871 →
Application:
09/235,886 →
Cleaning compositions and use thereof containing ammonium hydroxide and fluorosurfactant
Patent:
6,358,899 →
Application:
09/534,303 →
Composition and method for selectively etching a silicon nitride film
Patent:
6,303,514 →
Application:
09/652,416 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 23, 1998
From: HACKETT, THOMAS B.; HATCHER, ZACH III
To: ASHLAND INC.
Reel/Frame 009667/0428 →
Assignment of Assignor's Interest
Jan 22, 1999
From: DRAB,GILBERT J.; SWEENEY,CHRISTOPHER M.; OCHI,AKIMOTO
To: ASHLAND, INC.
Reel/Frame 009734/0202 →
Assignment of Assignor's Interest
Aug 19, 1999
From: HACKETT, THOMAS B.; HATCHER, ZACH III
To: ASHLAND INC.
Reel/Frame 010179/0861 →
Assignment of Assignor's Interest
Aug 7, 2000
From: HACKETT, THOMAS BURKLEY
To: ASHLAND, INC.
Reel/Frame 010981/0126 →
Assignment of Assignor's Interest
Oct 20, 2003
From: ASHLAND INC.
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 014567/0846 →
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 →
Security Agreement
Nov 16, 2018
From: CABOT MICROELECTRONICS CORPORATION; QED TECHNOLOGIES INTERNATIONAL, INC.; FLOWCHEM LLC; KMG ELECTRONIC CHEMICALS, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 047588/0263 →
Assignment of Assignor's Interest
Mar 6, 2020
From: KMG ELECTRONIC CHEMICALS, INC.
To: CABOT MICROELECTRONICS CORPORATION
Reel/Frame 052042/0980 →
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 →
Release of Security Interest
Jul 6, 2022
From: JPMORGAN CHASE BANK, N.A.
To: CABOT MICROELECTRONICS CORPORATION; QED TECHNOLOGIES INTERNATIONAL, INC.; FLOWCHEM LLC; KMG ELECTRONIC CHEMICALS, INC.
Reel/Frame 060592/0260 →