IP Library Assignment 044239/0696
Patent Assignment
Reel/Frame 044239/0696

Assignment of Assignor's Interest

Recorded: 2017-11-28 Pages: 5
Assignors
LUO, LUBIN
Executed: 2007-02-15
WU, XIAO
Executed: 2007-03-09
DIEFENBACH, STEVEN P
Executed: 2007-04-12
Assignee
ALBEMARLE CORPORATION
451 FLORIDA ST, BATON ROUGE, LOUISIANA, 70801
Covered Property (1)
Catalyst Activators, Processes for Making Same, and Use Thereof in Catalysts and Polymerization of Olefins
Patent: 7,928,172 →
Application: 12/519,254 →
Publication: US 2010/0093958
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 31, 2018
From: ALBEMARLE CORPORATION
To: W. R. GRACE & CO-CONN.
Reel/Frame 045946/0786 →
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 →