IPC Subgroup
C12P 33/12 Acting on D ring
Introduced: January 1980
Last revised: January 2006
Full Title
Preparation of steroids > Acting on D ring
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
2 direct subcodes
Child Classifications
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- C12P 33/14 Hydroxylating at 16 position
- C12P 33/16 Acting at 17 position