Patent Assignment
Reel/Frame 025053/0438
Change of Name
Recorded: 2010-09-28
Pages: 10
Assignor
QVF ENGINEERING GMBH
Executed: 2009-04-07
Assignee
DE DIETRICH PROCESS SYSTEMS GMBH
HATTENBERGSTRASSE 36, 55122 MAINZ, GERMANY
Covered Property
(1)
Method and System for Concentrating Waste Sulphuric Acids from Nitration Processes
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.