DIFF Subgroup
C01B 15/013 Separation; Purification; Concentration
Introduced: January 1980
Full Title
Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides > Hydrogen peroxide > Separation; Purification; Concentration
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- C01B 15/017 Anhydrous hydrogen peroxide; Anhydrous solutions or gaseous mixtures containing hydrogen peroxide since 1980 IPC+CPC Available in IPC and CPC