DIFF Subgroup
C06B 33/12 the material being two or more oxygen-yielding compounds
Introduced: July 1974
Full Title
Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide > the material being two or more oxygen-yielding compounds
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C06B 33/14 at least one being an inorganic nitrogen-oxygen salt since 1974 IPC+CPC Available in IPC and CPC