IP Library Assignment 045969/0001
Patent Assignment
Reel/Frame 045969/0001

Assignment of Assignor's Interest

Recorded: 2018-04-18 Pages: 63
Assignor
AIR PRODUCTS AND CHEMICALS, INC.
Executed: 2017-01-03
Assignee
EVONIK DEGUSSA 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 →
Change of Name Apr 20, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 052443/0185 →