CPC Subgroup
C09C 1/46 Graphite
Full Title
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black > Carbon > Graphite
C09C 1/46 Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black > Carbon > Graphite