Patent Assignment
Reel/Frame 063249/0614
Assignment of Assignor's Interest
Recorded: 2023-04-06
Pages: 4
Assignor
MA, ZHIRU
Executed: 2020-11-20
Assignee
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Property
(1)
Polymer Composition That Is Resistant to Oxidative Decomposition and Article Made Therefrom
Application:
18/024,487 →
Publication:
US 2023/0357552
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement (Supplemental No. 2)
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 072497/0481 →
Security Interest
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 072519/0240 →
Security Interest
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 072519/0265 →
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 →