Patent Assignment
Reel/Frame 052411/0425
Assignment of Assignor's Interest
Recorded: 2020-04-16
Pages: 6
Assignee
ALBEMARLE CORPORATION
4250 CONGRESS ST, SUITE 900, CHARLOTTE, NORTH CAROLINA, 28209
Covered Property
(1)
Processes for Producing Methenamine Mandelate
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jun 2, 2021
From: W. R. GRACE & CO.-CONN.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 056413/0277 →
Assignment of Assignor's Interest
Sep 16, 2021
From: ALBEMARLE CORPORATION
To: W.R. GRACE & CO.-CONN
Reel/Frame 057506/0960 →
Security Interest (Supplemental No. 3)
Jan 22, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 074475/0514 →
Supplement No. 1 to Patent Security Agreement
Jan 23, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 074503/0861 →
Supplement No. 3 to Patent Security Agreement
Jan 23, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 074503/0889 →
Supplement No. 3 to Patent Security Agreement
Jan 23, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 074503/0898 →
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. 3
Feb 2, 2026
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
Reel/Frame 074612/0540 →