Patent Assignment
Reel/Frame 059056/0350
Assignment of Assignor's Interest
Recorded: 2022-02-21
Pages: 4
Assignors
GU, FENG
Executed: 2019-10-30
PRYOR, JAMES NEIL
Executed: 2019-11-04
KORANNE, MANOJ
Executed: 2019-11-01
Assignee
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Property
(1)
Silica-Based Matting Formulations and Methods of Making and Using the Same
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →