CPC Main Group
C01B 32/00 Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48)
12 direct subcodes
Child Classifications
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- C01B 32/05 Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
- C01B 32/10 Carbon fluorides, e.g. [CF]nor [C2F]n (graphite intercalation thereof C01B32/22)
- C01B 32/15 Nano-sized carbon materials
- C01B 32/20 Graphite
- C01B 32/25 Diamond
- C01B 32/30 Active carbon
- C01B 32/40 Carbon monoxide
- C01B 32/50 Carbon dioxide
- C01B 32/60 Preparation of carbonates or bicarbonates in general (of percarbonates C01B15/10; of specific carbonates or bicarbonates according to the cation C01B-C01G)
- C01B 32/70 Compounds containing carbon and sulfur, e.g. thiophosgene
- C01B 32/80 Phosgene
- C01B 32/90 Carbides