Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C01B 25/04

Purification of phosphorus

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Phosphorus; Compounds thereof > Purification of phosphorus

CPC:

Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) > Purification of phosphorus

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

Navigate with arrow keys, Enter to open

  • C01B 25/043 of red phosphorus since 1974 IPC+CPC Available in IPC and CPC
  • C01B 25/047 of yellow phosphorus since 1974 IPC+CPC Available in IPC and CPC