IP Library Assignment 028366/0460
Patent Assignment
Reel/Frame 028366/0460

Assignment of Assignor's Interest

Recorded: 2012-06-13 Pages: 5
Assignors
WOLK, HANS-JORG
Executed: 2012-05-20
MESTL, GERHARD
Executed: 2012-05-23
Assignee
SUED-CHEMIE AG
LENBACHPLATZ 6, MUNICH, 80333, GERMANY
Covered Property (1)
Method for Producing a Catalyst Arrangement for the Production of Phthalic Anhydride
Patent: 8,796,173 →
Application: 13/496,967 →
Publication: US 2012/0245365
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 28, 2014
From: SUED-CHEMIE AG
To: SUED-CHEMIE IP GMBH & CO. KG
Reel/Frame 032975/0654 →
Nunc Pro Tunc Assignment Jan 27, 2021
From: SUED-CHEMIE IP GMBH & CO. KG
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 055050/0928 →