Patent Assignment
Reel/Frame 011676/0172
Assignment of Assignor's Interest
Recorded: 2001-04-02
Pages: 5
Assignors
COOPER, DAVID A.
Executed: 2000-04-18
CORMIER, WILLIAM E.
Executed: 2000-04-18
HERTZENBERG, ELLLIOT P.
Executed: 2000-04-18
HINCHEY, RICHARD J.
Executed: 2000-04-18
MARCUS, BONITA K.
Executed: 2000-04-18
Assignee
PQ CORPORATION, A CORPORATION OF PENNSYLVANIA
SOUTHPOINT CORPORATE HEADQUARTERS, P.O. BOX 840, VALLEY FORGE, PENNSYLVANIA, 19482
Covered Property
(1)
Process for Preparing a Modified Zeolite
Patent:
6,521,208 →
Application:
09/673,286 →
Related Assignments
(22)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Mar 29, 2005
From: PQ CORPORATION
To: UBS AG, STAMFORD BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 015829/0674 →
Second Lien Grant of Security Interest in Patents
Aug 30, 2007
From: PQ CORPORATION
To: UBS AG, STAMFORD BRANCH
Reel/Frame 019767/0568 →
First Lien Grant of Security Interest in Patents
Aug 30, 2007
From: PQ CORPORATION
To: UBS AG, STAMFORD BRANCH
Reel/Frame 019767/0556 →
Termination and Release of Security Interest in Intellectual Property
Oct 3, 2007
From: UBS AG, STAMFORD BRANCH
To: PQ CORPORATION
Reel/Frame 019910/0678 →
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 →
Patent Security Agreement (Abl)
Jun 1, 2016
From: PQ CORPORATION
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038861/0071 →
Patent Security Agreement (Notes)
Jun 1, 2016
From: PQ CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 038860/0012 →
Patent Security Agreement (Term)
Jun 1, 2016
From: PQ CORPORATION
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 038860/0900 →
Release of Security Interest at R/F 38860/0012
Jul 22, 2020
From: WELLS FARGO BANK, N.A., AS COLLATERAL AGENT
To: PQ CORPORATION
Reel/Frame 053281/0616 →
Security Interest
Jul 22, 2020
From: PQ CORPORATION
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 053281/0474 →
Release of Security Interest in Patents at R/F 053281/0474
Jun 10, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: PQ CORPORATION
Reel/Frame 056539/0782 →
Assignment of Assignor's Interest
Aug 3, 2021
From: PQ CORPORATION
To: ECOVYST CATALYST TECHNOLOGIES LLC
Reel/Frame 057140/0261 →
Release of Security Interest in Patents Recorded at R/F 038860/0900
Aug 5, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
To: PQ CORPORATION
Reel/Frame 057089/0382 →
Partial Release of Security Interest in Patents Recorded at R/F 038861/0071
Aug 5, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: PQ CORPORATION
Reel/Frame 057089/0345 →
Corrective Assignment to Correct the Conveying Party Name Previously Recorded at Reel: 057089 Frame: 0345. Assignor(S) Hereby Confirms the Release of Security Interest.
Aug 6, 2021
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: PQ CORPORATION
Reel/Frame 057109/0688 →