IP Library Assignment 020179/0408
Patent Assignment
Reel/Frame 020179/0408

Assignment of Assignor's Interest

Recorded: 2007-11-29 Pages: 3
Assignors
HEIDENFELDER, THOMAS
Executed: 2006-03-30
GUZMANN, MARCUS
Executed: 2006-03-30
WITTELER, HELMUT
Executed: 2006-03-30
OSSMER, UWE
Executed: 2006-03-30
Assignee
BASF AKTIENGESELLSCHAFT
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.
Change of Entity Jan 21, 2009
From: BASF AKTIENGESELLSCHAFT
To: BASF SE
Reel/Frame 022138/0994 →