CPC Subclass Not Allocatable
B09C RECLAMATION OF CONTAMINATED SOIL (gatherers for removing stone or the like from the soil A01B43/00; sterilising soil by steam A01G11/00; removing undesirable matter, e.g. rubbish, from the land E01H15/00)
Description
B09C covers methods and systems for treating and remediating soil contaminated by chemical substances, pollutants, or hazardous materials. This includes physical, chemical, and biological treatment processes such as soil washing, thermal remediation, bioremediation, and stabilization techniques applied in situ or ex situ. The classification encompasses equipment and apparatus designed specifically for soil decontamination, as well as procedural approaches to restore contaminated land for safe reuse. Related waste disposal technologies are classified separately under B09B.
2 direct subcodes
Child Classifications
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- B09C 1/00 Reclamation of contaminated soil
- B09C 2101/00 In situ
Top Applicants
Top 10 applicants by patent filingsfor 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