IP Library › Assignment 057078/0777
Patent Assignment
Reel/Frame 057078/0777

Assignment of Assignor's Interest

Recorded: 2021-08-04 Pages: 4
Assignor
GU, FENG
Executed: 2018-07-24
Assignee
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Properties (3)
Defoamer Active, Manufacturing Method Thereof, and Defoaming Formuation
Defoamer Active, Manufacturing Thereof, and Deforming Formulation
Application: 17/251,891 →
Publication: US 2021/0316232
Defoamer Active, Manufacturing Method Thereof, and Defoaming Formuation
Application: 62/685,358 →
Related Assignments (8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 7, 2019
From: GU, FENG
To: W. R. GRACE & CO.-CONN
Reel/Frame 050944/0539 →
Assignment of Assignor's Interest Dec 14, 2020
From: GU, FENG
To: W. R. GRACE & CO.-CONN.
Reel/Frame 054631/0857 →
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: JPMORGAN CHASE BANK, N.A.
Reel/Frame 063237/0262 →
Security Interest Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063237/0252 →
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 →