Patent Assignment
Reel/Frame 056000/0845
Assignment of Assignor's Interest
Recorded: 2021-04-22
Pages: 7
Assignees
RHODIA OPERATIONS
25 RUE DE CLICHY, PARIS, 75009, FRANCE
IFP ENERGIES NOUVELLES
1 & 4 AVENUE DE BOIS-PRÉAU, RUEIL-MALMAISON CEDEX, 92852, FRANCE
Covered Property
(1)
Additives for Eliminating Fracturing Fluids Used for Oil Extraction
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Assignee Address
Apr 22, 2021
From: RHODIA OPERATIONS
To: RHODIA OPERATIONS
Reel/Frame 056001/0827 →
Assignment of Assignor's Interest
Mar 23, 2023
From: RHODIA OPERATIONS
To: ENERGY SOLUTIONS (US) LLC
Reel/Frame 063149/0540 →
Assignment of Assignor's Interest
Nov 19, 2025
From: RHODIA OPÉRATIONS
To: ENERGY SOLUTIONS (US) LLC
Reel/Frame 072964/0183 →
Assignment of Assignor's Interest
Nov 19, 2025
From: IFP ENERGIES NOUVELLES
To: RHODIA OPÉRATIONS
Reel/Frame 073634/0523 →