Patent Assignment
Reel/Frame 028148/0833
Assignment of Assignor's Interest
Recorded: 2012-05-03
Pages: 3
Assignor
MCDONALD, MICHAEL J.
Executed: 2012-04-24
Assignee
PQ CORPORATION
300 LINDENWOOD DRIVE, VALLYBROOKE CORPORATION CENTER, MALVERN, PENNSYLVANIA, 19355-1740
Covered Property
(1)
Use of High Ratio Aqueous Alkali Silicates for Profile Modification, Water Control and Stabilization
Application:
13/424,680 →
Publication:
US 2012/0245062
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
First Lien Grant of Security Interest in Patents Amendment No. 1
Apr 3, 2012
From: PQ CORPORATION
To: CREDIT SUISSE AG, AS SUCCESSOR AGENT
Reel/Frame 027980/0194 →
Second Lien Grant of Security Interest in Patents Amendment No. 1
Apr 3, 2012
From: PQ CORPORATION
To: CREDIT SUISSE AG, AS SUCCESSOR AGENT
Reel/Frame 027980/0219 →
Release of Security Interest in Patents
Nov 26, 2012
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: PQ CORPORATION
Reel/Frame 029349/0556 →
Release of Security Interest in Patents
Nov 26, 2012
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: PQ CORPORATION
Reel/Frame 029349/0592 →
Security Agreement
Nov 29, 2012
From: PQ CORPORATION; POTTERS INDUSTRIES, LLC
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 029370/0103 →
Security Agreement
Nov 30, 2012
From: PQ CORPORATION; POTTERS INDUSTRIES, LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 029377/0878 →
Release of Security Interest
May 4, 2016
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: PQ CORPORATION; POTTERS INDUSTRIES, LLC
Reel/Frame 038611/0927 →
Release of Security Interest
May 5, 2016
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
To: PQ CORPORATION; POTTERS INDUSTRIES, LLC
Reel/Frame 038612/0222 →