Patent Assignment
Reel/Frame 057960/0545
Assignment of Assignor's Interest
Recorded: 2021-10-29
Pages: 7
Assignors
LESAFFRE, THIBAULT
Executed: 2021-03-09
EDON, MARJORY
Executed: 2021-03-01
REDELSPERGER, LAURINE
Executed: 2021-03-02
DUPLESSIX, AYMERIC
Executed: 2021-03-01
Assignee
ARKEMA FRANCE
420, RUE D'ESTIENNE D'ORVES, COLOMBES, 92700, FRANCE
Covered Property
(1)
Chromatographic Separation of Ammonium Sulfate and 2-Hydroxy-2-Methylpropionic Acid
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Jul 6, 2021
From: ARKEMA FRANCE
To: TRINSEO EUROPE GMBH
Reel/Frame 057368/0486 →
Security Interest
Jan 29, 2025
From: TRINSEO EUROPE GMBH
To: ALTER DOMUS (US) LLC
Reel/Frame 070048/0159 →
Security Interest
Jan 29, 2025
From: TRINSEO EUROPE GMBH
To: ALTER DOMUS (US) LLC
Reel/Frame 070048/0204 →