IP Library Assignment 047338/0612
Patent Assignment
Reel/Frame 047338/0612

Assignment of Assignor's Interest

Recorded: 2018-10-29 Pages: 8
Assignors
LE, GUILLAUME
Executed: 2018-07-23
AMSTUTZ, JÉROME
Executed: 2018-10-23
CAREMIAUX, CHRISTOPHE
Executed: 2018-10-23
Assignee
ARKEMA FRANCE
420 RUE D'ESTIENNE D'ORVES, COLOMBES, 92700, FRANCE
Covered Property (1)
Purification of Poly Ether Ketone Ketone by Centrifugal Filtration
Application: 16/038,678 →
Publication: US 2019/0077911
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Address Jul 4, 2025
From: ARKEMA FRANCE
To: ARKEMA FRANCE
Reel/Frame 071814/0739 →