CPC Subgroup
C01B 21/082 Compounds containing nitrogen and non-metals (C01B21/06, C01B21/08 take precedence)
Full Title
Nitrogen; Compounds thereof > Compounds containing nitrogen and non-metals (C01B21/06, C01B21/08 take precedence)
9 direct subcodes
Child Classifications
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- C01B 21/083 containing one or more halogen atoms
- C01B 21/086 containing one or more sulfur atoms
- C01B 21/087 containing one or more hydrogen atoms
- C01B 21/097 containing phosphorus atoms
- C01B 21/12 Carbamic acid ; Salts thereof
- C01B 21/14 Hydroxylamine; Salts thereof
- C01B 21/16 Hydrazine; Salts thereof