Condensed phosphates

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Phosphorus; Compounds thereof > Oxyacids of phosphorus; Salts thereof > Phosphates > Condensed phosphates

CPC:

Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) > Oxyacids of phosphorus; Salts thereof (peroxyacids or salts thereof C01B15/00) > Phosphates (perphosphates C01B15/16) > Condensed phosphates

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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C01B 25/385 CPC only CPC only
C01B 25/39 of alkali metals since 1980 +1 CPC IPC+CPC Available in IPC and CPC
C01B 25/40 Polyphosphates since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C01B 25/42 Pyrophosphates since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C01B 25/44 Metaphosphates since 1974 IPC+CPC Available in IPC and CPC