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DIFF Subgroup
A23B 11/18

by addition of preservatives (addition of microorganisms or enzymes A23C9/12; addition of other substances A23C9/152)

Introduced: January 2025

Title

Titles differ between systems:

IPC: by addition of preservatives

CPC: by addition of preservatives (addition of microorganisms or enzymes A23C9/12; addition of other substances A23C9/152)

Full Title

Full titles differ between systems:

IPC:

Preservation of milk or dairy products > Preservation of milk or milk preparations > by addition of preservatives

CPC:

Preservation of milk or dairy products > Preservation of milk or milk preparations > by addition of preservatives (addition of microorganisms or enzymes A23C9/12; addition of other substances A23C9/152)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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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