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IPC Subgroup
B01F 23/2373

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

Introduced: January 2022

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

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Subclass:
MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING

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) 16,893
  2. CHINESE ACADEMY OF SCIENCES 11,733
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
  4. LG CHEM KR 3,367
  5. PETROCHINA COMPANY 3,224
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
  7. ZHEJIANG UNIVERSITY 2,890
  8. MANN + HUMMEL DE 2,740
  9. JOHNSON MATTHEY GB 2,534
  10. SAUDI ARABIAN OIL COMPANY SA 2,527