IP Library Assignment 030603/0497
Patent Assignment
Reel/Frame 030603/0497

Assignment of Assignor's Interest

Recorded: 2013-06-13 Pages: 3
Assignor
DUVE, HANS
Executed: 2009-12-22
Assignee
INFRACOR GMBH
PAUL-BAUMANN-STRASSE 1, MARL, 45772, GERMANY
Covered Property (1)
Method of Treating Water and Aqueous Systems in Pipes with Chlorine Dioxide
Patent: 8,486,276 →
Application: 12/642,201 →
Publication: US 2010/0155341
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Feb 27, 2019
From: INFRACOR GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 048456/0808 →
Change of Name Jan 31, 2020
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051765/0166 →