Etching, surface-brightening or pickling compositions

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
Subclass:: MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR

BRIGHTENING compositions for surface treatmentcompositions for ETCHINGPICKLING compositions (not for foodstuffs)

3 direct subcodes

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C09K 13/02 containing an alkali metal hydroxide
C09K 13/04 containing an inorganic acid
C09K 13/12 containing heavy metal salts in an amount of at least 50% of the non-solvent components