IPC Subgroup
C12P 17/02 Oxygen as only ring hetero atoms
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 > Oxygen as only ring hetero atoms
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
3 direct subcodes
Child Classifications
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- C12P 17/04 containing a five-membered hetero ring, e.g. griseofulvin
- C12P 17/06 containing a six-membered hetero ring, e.g. fluorescein
- C12P 17/08 containing a hetero ring of at least seven ring members, e.g. zearalenone, macrolide aglycons