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IPC Subgroup
B01J 8/24

according to "fluidised-bed" technique

Introduced: July 1974

Last revised: January 2006

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

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Subclass:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS

Related Keywords

FLUIDISED BED processes in general

9 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 8/38 with fluidised bed containing a rotatable device or being subject to rotation
  • B01J 8/4 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) 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