IPC Subgroup
C01C 1/245 Preparation from compounds containing nitrogen and sulfur
Introduced: July 1974
Last revised: January 2006
Full Title
Ammonia; Compounds thereof > Sulfates of ammonium > Preparation from compounds containing nitrogen and sulfur
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- AMMONIA; CYANOGEN; COMPOUNDS THEREOF
1 direct subcode
Child Classifications
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- C01C 1/246 from sulfur-containing ammonium compounds