Installation for removing the zinc deposited by electrolysis...

Installation of ion exchange membrane in electrolytic cell

Instrument for wrapping wire or cord on broken vehicle...

Insulated electric conductors

Insulated squirrel cage windings

Insulating coating for cathode heater filaments

Insulating film production on metal surfaces

Insulating materials and processes for production thereof

Insulating method

Insulation assemblies for metal production cells

Intaglio printing roller production

Integral colouring process for aluminium by anodic oxidation

Integral screen/frame assembly for an electrochemical cell

Integrated procedure for high yield production of chlorine...

Integrated process for the production of alkali and alkaline...

Integrated production of chlorine dioxide and chlorine in...

Integrated system for the production of chlorine dioxide

Integrated waste water treatment for reusage after cyanide...

Integrated waste water treatment from anodising processes,...

Intense yet energy-efficient process for electrowinning of...