IP Library Assignment 045835/0953
Patent Assignment
Reel/Frame 045835/0953

Assignment of Assignor's Interest

Recorded: 2018-05-17 Pages: 8
Assignors
LE, GUILLAUME
Executed: 2018-05-11
JOUANNEAU, JULIEN
Executed: 2018-05-11
AMSTUTZ, JÉRÔME
Executed: 2018-05-15
Assignee
ARKEMA FRANCE
DÉPARTEMENT PROPRIÉTÉ INTELLECTUELLE, 420 RUE D'ESTIENNE D'ORVES, COLOMBES CEDEX, 92700, FRANCE
Covered Property (1)
Purification of 1,4-Bis (4-Phenoxybenzoyl)Benzene by Centrifugal Filtration
Application: 15/982,549 →
Publication: US 2018/0334538
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 →