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CPC Main Group
B01J 2/00

Processes or devices for granulating materials in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic

14 direct subcodes

Child Classifications

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  • B01J 2/10 in stationary drums or troughs, provided with kneading or mixing appliances
  • B01J 2/12 in rotating drums
  • B01J 2/14 in rotating dishes or pans
  • B01J 2/16 by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
  • B01J 2/18 using a vibrating apparatus
  • B01J 2/20 by expressing the material, e.g. through sieves and fragmenting the extruded length
  • B01J 2/22 by pressing in moulds or between rollers
  • B01J 2/24 Obtaining flakes by scraping a solid layer from a surface
  • B01J 2/26 on endless conveyor belts
  • B01J 2/28 using special binding agents
  • B01J 2/30 using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic

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