IP Library › Assignment 023681/0361
Patent Assignment
Reel/Frame 023681/0361

Assignment of Assignor's Interest

Recorded: 2009-12-21 Pages: 10
Assignors
WEYERSHAUSEN, BERND
Executed: 2009-12-06
STADTMUELLER, STEFAN
Executed: 2009-12-10
ROOS, MARKUS
Executed: 2009-12-14
KOENIG, FRANK
Executed: 2009-12-03
Assignee
EVONIK GOLDSCHMIDT GMBH
GOLDSCHMIDTSTRASSE 100, ESSEN, D-45127, GERMANY
Covered Property (1)
Hydrophobized Cement-Containing Compositions
Patent: 7,931,747 →
Application: 12/641,892 →
Publication: US 2010/0154682
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Feb 26, 2014
From: EVONIK GOLDSCHMIDT GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 032335/0326 →
Change of Name Sep 9, 2025
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 072195/0478 →