IPC Subgroup
C09K 13/04 containing an inorganic acid
Introduced: July 1974
Last revised: January 2006
Full Title
Etching, surface-brightening or pickling compositions > containing an inorganic acid
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
3 direct subcodes
Child Classifications
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- C09K 13/06 with organic material
- C09K 13/08 containing a fluorine compound
- C09K 13/1 containing a boron compound