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DIFF Subgroup
C03C 25/602

to perform ion-exchange between alkali ions (C03C25/605 takes precedence)

Introduced: January 2018

Title

Titles differ between systems:

IPC: to perform ion-exchange between alkali ions

CPC: to perform ion-exchange between alkali ions (C03C25/605 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > by diffusing ions or metals into the surface > in the liquid phase, e.g. using solutions or molten salts > to perform ion-exchange between alkali ions

CPC:

Surface treatment of fibres or filaments made from glass, minerals or slags > by diffusing ions or metals into the surface > in the liquid phase, e.g. using solutions or molten salts > to perform ion-exchange between alkali ions (C03C25/605 takes precedence)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2018.

Child Classifications

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  • C03C 25/603 under application of an electrical potential difference since 2018 IPC+CPC Available in IPC and CPC