IP Library › Assignment 021708/0846
Patent Assignment
Reel/Frame 021708/0846

Assignment of Assignor's Interest

Recorded: 2008-10-20 Pages: 2
Assignors
LEINWEBER, DIRK
Executed: 2008-07-28
ROESCH, ALEXANDER
Executed: 2008-07-28
FEUSTEL, MICHAEL
Executed: 2008-07-28
Assignee
CLARIANT INTERNATIONAL LTD.
ROTHAUSSTRASSE 61, INDUSTRIAL PROPERTY DEPARTMENT, 4132 MUTTENZ 1, 4132, SWITZERLAND
Covered Property (1)
Use of 1-Alkyl-5-Oxopyrrolidine-3-Carboxylic Esters as Gas Hydrate Inhibitors with Improved Biodegradability
Patent: 8,722,589 →
Application: 12/221,299 →
Publication: US 2009/0042747
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 20, 2009
From: CLARIANT INTERNATIONAL LTD.
To: CLARIANT FINANCE (BVI) LTD.
Reel/Frame 022429/0222 →
Assignment of Assignor's Interest Nov 3, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 036949/0673 →