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IPC Main Group
A23C 21/00

Whey; Whey preparations

Introduced: September 1968

Last revised: January 2025

Classification Context

Section:
HUMAN NECESSITIES
Class:
FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; PREPARATION, TREATMENT OR PRESERVATION THEREOF
Subclass:
DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF

Filing statistics

IPC A23C 21/00 belongs to the parent subclass A23C, which recorded 43,005 patent applications worldwide between 2013 and 2023. Annual filings declined from 3,191 in 2013 to 3,156 in 2023 (-1%), peaking at 4,515 applications in 2020. The most active applicants in class A23 are KVASENKOV OLEG IVANOVICH (6,158 applications), NESTLE (4,562 applications) and NESTEC (3,354 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

WHEY

5 direct subcodes

Child Classifications

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  • A23C 21/02 containing, or treated with, microorganisms or enzymes
  • A23C 21/04 containing non-milk components as source of fats or proteins
  • A23C 21/06 Mixtures of whey with milk products or milk components
  • A23C 21/08 containing other organic additives, e.g. vegetable or animal products
  • A23C 21/1 containing inorganic additives

Top Applicants

Top 10 applicants by patent filingsfor 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