Assignment of Assignor's Interest

Recorded: 2005-06-07 Pages: 2

Assignor

HOECHST AKTIENGESELLSCHAFT

Executed: 2005-03-01

Assignee

CELANESE CHEMICALS EUROPE GMBH

FRANKFURTER STRASSE 111, KRONBERG/T'S, 61476, GERMANY

Covered Property (1)

Method of Optimizing the Control of the Mass Transfer Zone in Distillation Columns

Patent: 5,487,815 →

Application: 08/191,389 →

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.