IP Library Assignment 022850/0619
Patent Assignment
Reel/Frame 022850/0619

Assignment of Assignor's Interest

Recorded: 2009-06-19 Pages: 3
Assignors
FEUSTEL, MICHAEL
Executed: 2009-01-04
KRULL, MATTHIAS
Executed: 2009-01-04
KAYSER, CHRISTOPH
Executed: 2009-01-04
LOEW, MARIO
Executed: 2009-01-04
Assignee
CLARIANT FINANCE (BVI) LIMITED
CITCO BUILDING, WICKHAMS CAY, P. O. BOX 662, ROAD TOWN, TORTOLA, VGX, VIRGIN ISLANDS, BRITISH
Covered Property (1)
Dispersions of Polymer Oil Additives
Patent: 8,293,690 →
Application: 12/520,358 →
Publication: US 2010/0025290
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 3, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 036949/0133 →
Assignment of Assignor's Interest Aug 1, 2024
From: CLARIANT INTERNATIONAL LTD
To: DORF KETAL ENERGY SERVICES LLC
Reel/Frame 068157/0195 →