Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Reexamination Certificate
2005-01-18
2005-01-18
El-Arini, Zeinab (Department: 1746)
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
C134S038000, C134S042000, C134S027000, C134S028000, C134S029000
Reexamination Certificate
active
06843856
ABSTRACT:
Aqueous cleaning agent and its use in a process for cleaning ultrafiltration membranes in ultrafiltration units of electro-dipcoating plants, which cleaning agent contains electro-dipcoating lacquer (EDL) binders overneutalized with neutralizing agent.
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Bünger Hans-Peter
Lehmann Horst
Benjamin Steven C.
E.I. du Pont de Nemours and Company
El-Arini Zeinab
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