Patent Assignment
Reel/Frame 048490/0945
Assignment of Assignor's Interest
Recorded: 2019-03-04
Pages: 8
Assignors
SINGH, UDAYSHANKAR
Executed: 2016-08-02
ZIEBARTH, MICHAEL SCOTT
Executed: 2016-08-02
CHENG, WU-CHENG
Executed: 2016-08-02
KRISHNAMOORTHY, SUNDARAM
Executed: 2016-08-03
Assignee
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Properties
(2)
Process to Peptize Alumina for Fluidizable Catalysts
Patent:
11,207,661 →
Application:
16/322,156 →
Publication:
US 2019/0184375
PCT:
PCT/US2017/043698 ↗
Process to Peptize Alumina for Fluidizable Catalysts
Application:
62/369,313 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 31, 2019
From: SINGH, UDAYSHANKAR; KRISHNAMOORTHY, SUNDARAM; ZIEBARTH, MICHAEL SCOTT; CHENG, WU-CHENG
To: W.R. GRACE & CO.- CONN.
Reel/Frame 048200/0376 →
Term Loan Security Agreement
Sep 23, 2021
From: W. R. GRACE & CO.-CONN.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 057594/0104 →
Notes Security Agreement
Sep 23, 2021
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057594/0156 →
Security Interest
Feb 17, 2023
From: W.R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 062792/0510 →
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 →