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PCE
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DIFF Subgroup
B01J 23/76

combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Introduced: July 1974

Title

Titles differ between systems:

IPC: combined with metals, oxides or hydroxides provided for in groups

CPC: combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Full Title

Full titles differ between systems:

IPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group > of the iron group metals or copper > combined with metals, oxides or hydroxides provided for in groups

CPC:

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of the iron group metals or copper > combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • B01J 23/78 with alkali- or alkaline earth metals since 1974 IPC+CPC Available in IPC and CPC
  • B01J 23/80 with zinc, cadmium or mercury since 1974 IPC+CPC Available in IPC and CPC
  • B01J 23/825 with gallium, indium or thallium since 1995 IPC+CPC Available in IPC and CPC
  • B01J 23/83 with rare earths or actinides since 1995 IPC+CPC Available in IPC and CPC
  • B01J 23/835 with germanium, tin or lead since 1995 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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