DIFF Subgroup
C09C 1/28 Compounds of silicon
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
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
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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