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PCE
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DIFF Subgroup
A23K 20/142

Amino acids; Derivatives thereof

Introduced: January 2016

Full Title

Accessory food factors for animal feeding-stuffs > Organic substances > Amino acids; Derivatives thereof

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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  • A23K 20/147 Polymeric derivatives, e.g. peptides or proteins since 2016 IPC+CPC Available in IPC and CPC