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CPC Subgroup
B01F 23/2373

for obtaining fine bubbles, i.e. bubbles with a size below 100 µm

Full Title

Mixing according to the phases to be mixed, e.g. dispersing or emulsifying > Mixing gases with liquids > by introducing gases into liquid media, e.g. for producing aerated liquids > characterised by the physical or chemical properties of gases or vapours introduced in the liquid media > for obtaining fine bubbles, i.e. bubbles with a size below 100 µm

1 direct subcode

Child Classifications

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  • B01F 23/2375 for obtaining bubbles with a size below 1 µm

Top Applicants

Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
  2. CHINESE ACADEMY OF SCIENCES 8,352
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
  4. LG CHEM KR 4,290
  5. SAUDI ARABIAN OIL COMPANY SA 3,444
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
  7. DOW GLOBAL TECHNOLOGIES US 3,195
  8. MANN + HUMMEL DE 2,822
  9. JOHNSON MATTHEY GB 2,802
  10. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737