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DIFF Subgroup
A23K 20/10

Organic substances

Introduced: January 2016

Full Title

Accessory food factors for animal feeding-stuffs > Organic substances

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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  • A23K 20/105 Aliphatic or alicyclic compounds since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/111 Aromatic compounds since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/153 Nucleic acids; Hydrolysis products or derivatives thereof since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/158 Fatty acids; Fats; Products containing oils or fats since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/163 Sugars; Polysaccharides since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/168 Steroids since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/174 Vitamins since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/179 Colouring agents, e.g. pigmenting or dyeing agents since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/184 Hormones since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/189 Enzymes since 2016 IPC+CPC Available in IPC and CPC
  • A23K 20/195 Antibiotics since 2016 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A23,2013–2023, worldwide · Source: EPO PATSTAT

  1. KVASENKOV OLEG IVANOVICH RU 6,158
  2. NESTLE CH 4,562
  3. NESTEC CH 3,354
  4. JIANGNAN UNIVERSITY 2,699
  5. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,320
  6. SUNTORY HOLDINGS JP 1,926
  7. CHINESE ACADEMY OF SCIENCES 1,804
  8. CJ CHEILJEDANG CORPORATION KR 1,653
  9. CARGILL US 1,588
  10. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,314

Top Applicants (CPC)

Class A23,2013–2023, worldwide · Source: EPO PATSTAT

  1. NESTLE CH 5,075
  2. NESTEC CH 3,916
  3. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,558
  4. JIANGNAN UNIVERSITY 2,196
  5. SUNTORY HOLDINGS JP 2,133
  6. CJ CHEILJEDANG CORPORATION KR 1,842
  7. CARGILL US 1,708
  8. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,341
  9. CHINESE ACADEMY OF SCIENCES 1,279
  10. MARS US 1,161