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PCE
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DIFF Subgroup
B27K 3/20

Compounds of alkali metals or ammonium

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Impregnating wood, e.g. for protection > Inorganic impregnating agents > Compounds of alkali metals or ammonium

CPC:

Impregnating wood, (dyeing, staining B27K5/00) > Inorganic impregnating agents > Compounds of alkali metals or ammonium

No child classifications to compare. This is a leaf node in both IPC and CPC.