Patent Assignment
Reel/Frame 040290/0869
Assignment of Assignor's Interest
Recorded: 2016-11-11
Pages: 4
Assignors
MCDONALD, MICHAEL JAMES
Executed: 2016-11-09
LI, XIANGLIAN
Executed: 2016-11-09
SHORT, KELLY PAUL, JR.
Executed: 2016-11-09
Assignee
PQ CORPORATION
300 LINDENWOOD DRIVE, VALLEYBROOKE CORPORATE CENTER, MALVERN, PENNSYLVANIA, 19355-1740
Covered Properties
(2)
Self-Pressurizing Soluble Alkali Silicate for Use in Sealing Subterranean Spaces
Patent:
10,100,602 →
Application:
15/348,491 →
Publication:
US 2017/0130116
PCT:
PCT/US2016/061518 ↗
Self-Pressurizing Soluble Alkali Silicate for use in Sealing Subterranean Spaces
Application:
62/253,834 →
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
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 (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 →
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 →
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 →
Term Loan Patent Security Agreement
Jun 10, 2021
From: PQ CORPORATION
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS AGENT
Reel/Frame 056539/0903 →
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 →
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 →
Partial Release of Security Interest in Patents Recorded at R/F 056539/0903
Aug 5, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
To: PQ CORPORATION
Reel/Frame 057089/0255 →
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 →
Change of Name
Dec 2, 2021
From: PQ CORPORATION
To: PQ LLC
Reel/Frame 058295/0836 →
Assignment of Assignor's Interest
Oct 20, 2022
From: BYK USA INC.
To: BYK-CHEMIE GMBH
Reel/Frame 061478/0199 →