Patent Assignment
Reel/Frame 072598/0629
Release of Security Interest
Recorded: 2025-10-20
Pages: 6
Assignor
FGI WORLDWIDE LLC
Executed: 2025-10-15
Assignees
SUPERIOR GRAPHITE CO.
550 W. VAN BUREN, SUITE 300, CHICAGO, ILLINOIS, 60607
SUPERIOR GRAPHITE EUROPE, LTD.
550 W. VAN BUREN, SUITE 300, CHICAGO, ILLINOIS, 60607
Covered Properties
(3)
Cement Compositions Including Resilient Graphitic Carbon Fraction
Patent:
8,617,309 →
Application:
13/763,276 →
Drilling Fluid Additive for Loss Circulation and Wellbore Strengthening
Compressible Carbonaceous Particulate Material and Method of Making Same
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 22, 2013
From: CARNEY, PETER ROY; BAER, CRAIG ALLEN; DERWIN, DAVID J.; ZHOU, CHANGJUN
To: SUPERIOR GRAPHITE CO.
Reel/Frame 029855/0430 →
Assignment of Assignor's Interest
Mar 22, 2013
From: ZHOU, CHANGJUN; DERWIN, DAVID J.; WAWRZOS, FRANK
To: SUPERIOR GRAPHITE COMPANY
Reel/Frame 030065/0783 →
Assignment of Assignor's Interest
Feb 3, 2014
From: ZHOU, CHANGJUN; NELSON, RICHARD D.
To: SUPERIOR GRAPHITE COMPANY
Reel/Frame 032117/0583 →
Security Interest
Apr 8, 2019
From: SUPERIOR GRAPHITE CO.
To: BMO HARRIS BANK N.A.
Reel/Frame 048818/0678 →
Security Interest
Mar 27, 2023
From: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE, LTD.
To: FGI WORLDWIDE LLC
Reel/Frame 063108/0926 →
Release of Security Interest
Mar 28, 2023
From: BMO HARRIS BANK N.A.
To: SUPERIOR GRAPHITE CO.
Reel/Frame 063130/0676 →
Security Interest
Oct 24, 2024
From: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE, LTD.
To: FGI WORLDWIDE LLC
Reel/Frame 069011/0548 →
Release of Security Interest
Oct 22, 2025
From: FGI WORLDWIDE LLC
To: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE LTD.
Reel/Frame 072635/0843 →
Assignment of Assignor's Interest
Jan 8, 2026
From: SUPERIOR GRAPHITE CO.
To: EXXONMOBIL ADVANCED GRAPHITE SOLUTIONS LLC
Reel/Frame 073411/0343 →