DIFF Subgroup
C09C 1/30 Silicic acid
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 silicon > Silicic acid
CPC:
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black > Compounds of silicon > Silicic acid
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open