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DIFF Main Group
A23J 1/00

Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites

Introduced: September 1968

Of 14 combined children, 10 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • A23J 1/008 CPC only CPC only
  • A23J 1/009 CPC only CPC only
  • A23J 1/02 from meat IPC+CPC Available in IPC and CPC
  • A23J 1/04 from fish or other sea animals IPC+CPC Available in IPC and CPC
  • A23J 1/06 from blood IPC+CPC Available in IPC and CPC
  • A23J 1/10 from hair, feathers, horn, skins, leather, bones, or the like IPC+CPC Available in IPC and CPC
  • A23J 1/16 from waste water of starch-manufacturing plant or like wastes IPC+CPC Available in IPC and CPC
  • A23J 1/18 from yeasts 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