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