Patent Assignment
Reel/Frame 023221/0930
Assignment of Assignor's Interest
Recorded: 2009-09-11
Pages: 7
Assignors
LUO, LUBIN
Executed: 2008-11-21
WANG, ZHIKE
Executed: 2008-11-21
DIEFENBACH, STEVEN P.
Executed: 2008-11-21
WU, XIAO
Executed: 2008-11-21
Assignee
ALBEMARLE CORPORATION
451 FLORIDA STREET, BATON ROUGE, LOUISIANA, 70801
Covered Property
(1)
Ionic Bronsted Acid
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 31, 2018
From: ALBEMARLE CORPORATION
To: W. R. GRACE & CO-CONN.
Reel/Frame 045946/0786 →
Security Interest
Feb 17, 2023
From: W.R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 062792/0510 →
Security Interest
Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063237/0252 →
Security Interest
Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 063237/0262 →
Security Agreement (Notes)
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 072520/0653 →
Notes Security Interest
Jan 29, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 074532/0229 →
Release of Security Interest Supplement No. 1, Recorded at Reel/Frame 063237/0252
Feb 2, 2026
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: W. R. GRACE & CO.-CONN.
Reel/Frame 074612/0939 →