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MAINZ, DE
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last 30 patents
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Patent Grant
Method and plant for reprocessing waste sulphuric acids from nitrat...
Patent number
9,108,847
Issue date
Aug 18, 2015
DE Dietrich Process Systems GMBH
Gottfried Dichtl
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method and system for concentrating waste sulphuric acids from nitr...
Patent number
7,988,942
Issue date
Aug 2, 2011
DE Dietrich Process Systems GmbH
Ulrich Walter
C01 - INORGANIC CHEMISTRY
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last 30 patents
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Patent Application
METHOD AND PLANT FOR REPROCESSING WASTE SULPHURIC ACIDS FROM NITRID...
Publication number
20120168298
Publication date
Jul 5, 2012
DE DIETRICH PROCESS SYSTEMS GMBH
Gottfried Dichtl
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL