Patent Assignment
Reel/Frame 059897/0221
Assignment of Assignor's Interest
Recorded: 2022-05-13
Pages: 4
Assignors
KRAUSE, FRANK
Executed: 2022-05-13
BIENMUELLER, MATTHIAS
Executed: 2022-05-02
FREITAG, MATTHIAS
Executed: 2022-04-29
Assignee
LANXESS PERFORMANCE MATERIALS GMBH
KENNEDYPLATZ 1, COLOGNE, 50569, GERMANY
Covered Property
(1)
Polymer Foam Particles and Process for Production Thereof Based on Polybutylene Terephthalate
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 3, 2023
From: LANXESS DEUTSCHLAND GMBH
To: LANXESS PERFORMANCE MATERIALS GMBH
Reel/Frame 063205/0552 →
Change of Name
Jun 2, 2025
From: LANXESS PERFORMANCE MATERIALS GMBH
To: ENVALIOR DEUTSCHLAND GMBH
Reel/Frame 071496/0239 →
Change of Name and Address
May 6, 2026
From: LANXESS PERFORMANCE MATERIALS GMBH
To: ENVALIOR DEUTSCHLAND GMBH
Reel/Frame 075513/0147 →