A01H 1/08 Methods for producing changes in chromosome number
Introduced: September 1968
Title
Titles differ between systems:
IPC: Methods or apparatus for producing changes in chromosome number
CPC: Methods for producing changes in chromosome number
Full Title
Full titles differ between systems:
Processes for modifying genotypes > Processes for producing mutations, e.g. treatment with chemicals or with radiation > Methods or apparatus for producing changes in chromosome number
Processes for modifying genotypes (A01H4/00 takes precedence) > Processes for producing mutations, e.g. treatment with chemicals or with radiation (specific mutations prepared by genetic engineering on plant cell or plant tissues C12N15/00 ) > Methods for producing changes in chromosome number
No child classifications to compare. This is a leaf node in both 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