Patent Assignment
Reel/Frame 028075/0052
Assignment of Assignor's Interest
Recorded: 2012-04-19
Pages: 3
Assignor
COPENHAFER, WILLIAM C.
Executed: 2012-03-21
Assignee
FMC WYOMING CORPORATION
1735 MARKET STREET, PHILADELPHIA, PENNSYLVANIA, 19103
Covered Property
(1)
Selective Removal of Sulfide from Aqueous Alkali Solutions
Patent:
8,454,840 →
Application:
13/407,258 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 21, 2015
From: FMC WYOMING CORPORATION
To: TRONOX ALKALI WYOMING CORPORATION
Reel/Frame 035475/0008 →
Security Interest
Apr 22, 2015
From: TRONOX ALKALI WYOMING CORPORATION
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 035470/0305 →
Release of Security Interest
Sep 7, 2017
From: GOLDMAN SACHS BANK USA
To: TRONOX ALKALI WYOMING CORPORATION
Reel/Frame 043524/0193 →
Security Interest
Sep 25, 2017
From: TRONOX LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 043993/0340 →
Entity Conversion
Oct 16, 2017
From: TRONOX ALKALI WYOMING CORPORATION
To: GENESIS ALKALI WYOMING, LP
Reel/Frame 044217/0033 →
Release of Security Interest
Mar 12, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: TRONOX LLC
Reel/Frame 055583/0001 →
Security Interest
Mar 4, 2025
From: GENESIS ALKALI WYOMING, LP
To: PNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 070396/0914 →