DIFF Subgroup
B09B 3/60 Biochemical treatment, e.g. by using enzymes
Introduced: January 2022
Full Title
Destroying solid waste or transforming solid waste into something useful or harmless > Biochemical treatment, e.g. by using enzymes
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2022.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class B09,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 776
- TAIHEIYO CEMENT CORPORATION 279
- BEIJING GEOENVIRON ENGINEERING & TECHNOLOGY 247
- ZHEJIANG UNIVERSITY 232
- CENTRAL SOUTH UNIVERSITY 212
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 208
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 203
- CHANGZHOU UNIVERSITY 172
- BCEG ENVIRONMENTAL REMEDIATION COMPANY 167
- UNI-CHARM CORPORATION JP 165
Top Applicants (CPC)
Class B09,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 533
- UNI-CHARM CORPORATION JP 166
- CENTRAL SOUTH UNIVERSITY 160
- KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 151
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 147
- ZHEJIANG UNIVERSITY 144
- JX NIPPON MINING & METALS CORPORATION JP 141
- BEIJING GEOENVIRON ENGINEERING & TECHNOLOGY 139
- CHANGZHOU UNIVERSITY 128
- NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MEE 124