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PCE
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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 15/0135 CPC only CPC only
  • C01B 15/017 Anhydrous hydrogen peroxide; Anhydrous solutions or gaseous mixtures containing hydrogen peroxide since 1980 IPC+CPC Available in IPC and CPC