IP Library Assignment 022138/0994
Patent Assignment
Reel/Frame 022138/0994

Change of Entity

Recorded: 2009-01-21 Pages: 3
Assignor
BASF AKTIENGESELLSCHAFT
Executed: 2008-01-14
Assignee
BASF SE
LUDWIGSHAFEN, 67056, GERMANY
Covered Property (1)
Methods of Increasing Permeability in Carbonatic Rock Formations with Alkanesulfonic Acids
Patent: 7,638,469 →
Application: 11/817,698 →
Publication: US 2008/0153718
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 29, 2007
From: HEIDENFELDER, THOMAS; GUZMANN, MARCUS; WITTELER, HELMUT; OSSMER, UWE
To: BASF AKTIENGESELLSCHAFT
Reel/Frame 020179/0408 →