IPC Subgroup
C12P 17/1 Nitrogen as only ring hetero atom
Introduced: January 1980
Last revised: January 2006
Full Title
Preparation of heterocyclic carbon compounds with only O, N, S, Se, or Te as ring hetero atoms > Nitrogen as only ring hetero atom
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- Subclass:
- FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
1 direct subcode
Child Classifications
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- C12P 17/12 containing a six-membered hetero ring