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CPC Subgroup
B01J 8/24

according to "fluidised-bed" technique (B01J8/20 takes precedence)

Full Title

Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes > with fluidised particles > according to "fluidised-bed" technique (B01J8/20 takes precedence)

10 direct subcodes

Child Classifications

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  • B01J 8/32 with introduction into the fluidised bed of more than one kind of moving particles
  • B01J 8/34 with stationary packing material in the fluidised bed, e.g. bricks, wire rings, baffles
  • B01J 8/36 with fluidised bed through which there is an essentially horizontal flow of particles
  • B01J 8/40 with fluidised bed subjected to vibrations or pulsations
  • B01J 8/42 with fluidised bed subjected to electric current or to radiations
  • B01J 8/44 Fluidisation grids
  • B01J 8/46 for treatment of endless filamentary, band or sheet material

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