Patent Assignment
Reel/Frame 021787/0189
Assignment of Assignor's Interest
Recorded: 2008-11-05
Pages: 7
Assignors
LUO, LUBIN
Executed: 2008-10-20
STRICKLER, JAMIE R.
Executed: 2008-10-17
DIEFENBACH, STEVEN P.
Executed: 2008-10-20
SANGOKOYA, SAMUEL A.
Executed: 2008-10-27
Assignee
ALBEMARLE CORPORATION
451 FLORIDA STREET, BATON ROUGE, LOUISIANA, 70801
Covered Property
(1)
Aluminoxane Compositions, Their Preparation, and Their Use in Catalysis
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 →