Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B09C 1/085

Full Title

Reclamation of contaminated soil > chemically

Top Applicants

Top Applicants (IPC)

Class B09,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 776
  2. TAIHEIYO CEMENT CORPORATION 279
  3. BEIJING GEOENVIRON ENGINEERING & TECHNOLOGY 247
  4. ZHEJIANG UNIVERSITY 232
  5. CENTRAL SOUTH UNIVERSITY 212
  6. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 208
  7. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 203
  8. CHANGZHOU UNIVERSITY 172
  9. BCEG ENVIRONMENTAL REMEDIATION COMPANY 167
  10. UNI-CHARM CORPORATION JP 165

Top Applicants (CPC)

Class B09,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 533
  2. UNI-CHARM CORPORATION JP 166
  3. CENTRAL SOUTH UNIVERSITY 160
  4. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 151
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 147
  6. ZHEJIANG UNIVERSITY 144
  7. JX NIPPON MINING & METALS CORPORATION JP 141
  8. BEIJING GEOENVIRON ENGINEERING & TECHNOLOGY 139
  9. CHANGZHOU UNIVERSITY 128
  10. NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MEE 124