IP Library › Assignment 052443/0185
Patent Assignment
Reel/Frame 052443/0185

Change of Name

Recorded: 2020-04-20 Pages: 65
Assignor
EVONIK DEGUSSA GMBH
Executed: 2019-11-04
Assignee
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11, ESSEN, 45128, GERMANY
Covered Property (1)
Method of Preparation of a Water Based Epoxy Curing Agent
Patent: 7,615,584 →
Application: 12/405,266 →
Publication: US 2009/0176931
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 17, 2017
From: LOHE, MATTHIAS; COOK, MICHAEL; KLIPPSTEIN, ACHIM
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 044161/0623 →
Assignment of Assignor's Interest Apr 18, 2018
From: AIR PRODUCTS AND CHEMICALS, INC.
To: EVONIK DEGUSSA GMBH
Reel/Frame 045969/0001 →