DIFF Subgroup
C09C 1/20 Lead chromate
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black > Compounds of lead > Lead chromate
CPC:
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black > Compounds of lead > Lead chromate
No child classifications to compare. This is a leaf node in both IPC and CPC.