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DIFF Subgroup
C07C 227/38

Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Separation; Purification; Stabilisation; Use of additives

CPC: Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)

Full Title

Full titles differ between systems:

IPC:

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton > Separation; Purification; Stabilisation; Use of additives

CPC:

Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton > Separation; Purification; Stabilisation; Use of additives (separation of optical isomers C07C227/34)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • C07C 227/44 Stabilisation; Use of additives since 1990 IPC+CPC Available in IPC and CPC