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PCE
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CPC Subgroup Additional Only
B01J 2219/2471

Feeding means for the catalyst

Full Title

Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Stationary reactors without moving elements inside > Reactors comprising multiple separate flow channels > Plate-type reactors > Feeding means > Feeding means for the catalyst

1 direct subcode

Child Classifications

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  • B01J 2219/2472 the catalyst being exchangeable on inserts other than plates, e.g. in bags

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