DIFF Subgroup
C01B 25/027 of yellow phosphorus
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Phosphorus; Compounds thereof > Preparation of phosphorus > of yellow phosphorus
CPC:
Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) > Preparation of phosphorus > of yellow phosphorus
No child classifications to compare. This is a leaf node in both IPC and CPC.