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CPC Subgroup
A01N 35/04

containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals

Full Title

Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical > containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals

Filing statistics

CPC A01N 35/04 belongs to the parent subclass A01N, which recorded 197,518 patent applications worldwide between 2013 and 2023. Annual filings declined from 14,248 in 2013 to 13,291 in 2023 (-7%), peaking at 23,478 applications in 2016. The most active applicants in class A01 are JOHN DEERE (6,949 applications), MONSANTO TECHNOLOGY (6,297 applications) and DOW AGROSCIENCES (5,458 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class A01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JOHN DEERE US 6,949
  2. MONSANTO TECHNOLOGY US 6,297
  3. DOW AGROSCIENCES US 5,458
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,296
  5. BAYER CROPSCIENCE DE 4,654
  6. PIONEER HI-BRED INTERNATIONAL US 4,631
  7. SYNGENTA PARTICIPATIONS CH 4,410
  8. CNH INDUSTRIAL AMERICA US 4,128
  9. CHINESE ACADEMY OF SCIENCES 3,805
  10. BAYER DE 3,607