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DIFF Main Group
A01N 35/00

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

Introduced: January 1980

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • A01N 35/02 containing aliphatically bound aldehyde or keto groups, or thio analogues thereof; Derivatives thereof, e.g. acetals since 1980 IPC+CPC Available in IPC and CPC
  • 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 since 1980 IPC+CPC Available in IPC and CPC
  • A01N 35/06 containing keto or thioketo groups as part of a ring, e.g. cyclohexanone, quinone; Derivatives thereof, e.g. ketals since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A01,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 6,725
  2. JOHN DEERE US 6,555
  3. MONSANTO TECHNOLOGY US 6,280
  4. DOW AGROSCIENCES US 5,260
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,106
  6. PIONEER HI-BRED INTERNATIONAL US 4,609
  7. KUBOTA CORPORATION 4,458
  8. SYNGENTA PARTICIPATIONS CH 4,341
  9. BAYER CROPSCIENCE DE 4,305
  10. CNH INDUSTRIAL AMERICA US 4,024

Top Applicants (CPC)

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