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DIFF Subgroup
A23B 2/90

by drying or kilning; Subsequent reconstitution

Introduced: January 2025

Full Title

Preservation of foods or foodstuffs, in general > by drying or kilning; Subsequent reconstitution

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

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  • A23B 2/905 CPC only CPC only
  • A23B 2/91 with addition of chemicals before or during drying since 2025 IPC+CPC Available in IPC and CPC
  • A23B 2/92 Freeze drying since 2025 IPC+CPC Available in IPC and CPC
  • A23B 2/93 Spray drying since 2025 IPC+CPC Available in IPC and CPC
  • A23B 2/95 Fluidised-bed drying since 2025 IPC+CPC Available in IPC and CPC
  • A23B 2/96 Foam drying since 2025 IPC+CPC Available in IPC and CPC
  • A23B 2/97 using irradiation or electric treatment, e.g. ultrasonic waves since 2025 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