Patent Assignment
Reel/Frame 058295/0836
Change of Name
Recorded: 2021-12-02
Pages: 8
Assignor
PQ CORPORATION
Executed: 2021-07-30
Assignee
PQ LLC
300 LINDENWOOD DRIVE, MALVERN, PENNSYLVANIA, 19355
Covered Properties
(16)
Method for Plugging and Abandoning Oil and Gas Wells
PCT:
PCT/US2020/056999 ↗
Process for Making and Using a Low Beverage Soluble Iron Content Adsorbent and Composition Made Thereby
Method for Making Zeolites and Zeolite Mixtures Having Enhanced Cation Exchange Properties
Composition of, and Process for Using, Silica Xerogel for Beer Stabilization
Preparation of Molecular Sieves Involving Spray Drying
Composition of, and Process for Preparing, Silica Xerogel for Beer Stabilization
Mixtures of Zeolite and Rap/Ras
Zeolite and Water Slurries for Asphalt Concrete Pavement
Use of High Ratio Aqueous Alkali Silicates in Drilling Fluids
Zeolite Impregnated with Titanium Dioxide
Use of Aqueous Alkali Aluminosilicate for Profile Modification, Water Control and Stabilization
Self-Pressurizing Soluble Alkali Silicate for Use in Sealing Subterranean Spaces
Architectural Coating Composition Containing High Ratio Soluble Silicates
Application:
16/488,981 →
Publication:
US 2019/0382612
Method for Plugging and Abandoning Oil and Gas Wells
Silica Gel as Reinforcement Agent for Rubber Compounds
Application:
63/147,306 →
Sustainable Two-Component Annular Grout Composition And Method For Use With A Tunnel-Boring Machine
Application:
63/154,134 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 15, 2011
From: BARGER, SCOTT; SOTELO, ARMANDO; MICCO, DANIEL; RIBEIRO, FLAVIO ERNESTO
To: PQ CORPORATION
Reel/Frame 026751/0001 →
Assignment of Assignor's Interest
Mar 20, 2012
From: RIBEIRO, FLAVIO ERNESTO
To: PQ CORPORATION
Reel/Frame 027892/0505 →
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 →
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 →
Assignment of Assignor's Interest
May 3, 2012
From: MCDONALD, MICHAEL J.
To: PQ CORPORATION
Reel/Frame 028148/0854 →
Assignment of Assignor's Interest
Sep 12, 2012
From: RIBEIRO, FLAVIO ERNESTO; BAIRD, GARY A.; DOS SANTOS FLOR, RONALDO
To: PQ CORPORATION
Reel/Frame 028940/0469 →
Release of Security Interest in Patents
Nov 26, 2012
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: PQ CORPORATION
Reel/Frame 029349/0592 →
Release of Security Interest in Patents
Nov 26, 2012
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: PQ CORPORATION
Reel/Frame 029349/0556 →
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 →
Assignment of Assignor's Interest
Sep 24, 2013
From: MCDONALD, MICHAEL J.; MILLER, NEIL; HAMILTON, JANICE
To: PQ COROPRATION
Reel/Frame 031269/0872 →
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 (Term)
Jun 1, 2016
From: PQ CORPORATION
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 038860/0900 →
Patent Security Agreement (Notes)
Jun 1, 2016
From: PQ CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 038860/0012 →
Assignment of Assignor's Interest
Nov 11, 2016
From: MCDONALD, MICHAEL JAMES; LI, XIANGLIAN; SHORT, KELLY PAUL, JR.
To: PQ CORPORATION
Reel/Frame 040290/0869 →
Assignment of Assignor's Interest
Nov 11, 2016
From: CRAMER, BRETT HOWARD
To: BYK ADDITIVES, INC.
Reel/Frame 040605/0933 →
Merger
May 19, 2017
From: BYK ADDITIVES INC.
To: BYK USA INC.
Reel/Frame 042436/0509 →
Assignment of Assignor's Interest
Sep 24, 2019
From: RIBEIRO, FLAVIO ERNESTO; DOS SANTOS FLOR, RONALDO; BATISTA, CARLOS HENRIQUE
To: PQ CORPORATION
Reel/Frame 050473/0277 →
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 →
Assignment of Assignor's Interest
Apr 29, 2021
From: RIBEIRO, FLAVIO ERNESTO; DOS SANTOS FLOR, RONALDO
To: PQ CORPORATION
Reel/Frame 056079/0723 →
Assignment of Assignor's Interest
May 7, 2021
From: VAN OORT, ERIC
To: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Reel/Frame 056167/0936 →
Assignment of Assignor's Interest
May 7, 2021
From: MCDONALD, MICHAEL J.
To: PQ CORPORATION
Reel/Frame 056168/0326 →