DIFF Subgroup
A01N 1/12 Chemical aspects of preservation
Introduced: January 2025
Full Title
Preservation of bodies of humans or animals, or parts thereof > Preservation of living parts > Chemical aspects of preservation
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2025.
Child Classifications
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- A01N 1/128 Chemically defined matrices for immobilising, holding or storing living parts, e.g. alginate gels; Chemically altering living parts, e.g. by cross-linking since 2025 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 6,725
- JOHN DEERE US 6,555
- MONSANTO TECHNOLOGY US 6,280
- DOW AGROSCIENCES US 5,260
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,106
- PIONEER HI-BRED INTERNATIONAL US 4,609
- KUBOTA CORPORATION 4,458
- SYNGENTA PARTICIPATIONS CH 4,341
- BAYER CROPSCIENCE DE 4,305
- CNH INDUSTRIAL AMERICA US 4,024
Top Applicants (CPC)
Class A01,2013–2023, worldwide · Source: EPO PATSTAT
- JOHN DEERE US 6,949
- MONSANTO TECHNOLOGY US 6,297
- DOW AGROSCIENCES US 5,458
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,296
- BAYER CROPSCIENCE DE 4,654
- PIONEER HI-BRED INTERNATIONAL US 4,631
- SYNGENTA PARTICIPATIONS CH 4,410
- CNH INDUSTRIAL AMERICA US 4,128
- CHINESE ACADEMY OF SCIENCES 3,805
- BAYER DE 3,607