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PCE
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DIFF Subgroup
B01J 31/26

containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24

Introduced: July 1974

Title

Titles differ between systems:

IPC: containing in addition, inorganic metal compounds not provided for in groups

CPC: containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24

Full Title

Full titles differ between systems:

IPC:

Catalysts comprising hydrides, coordination complexes or organic compounds > containing in addition, inorganic metal compounds not provided for in groups

CPC:

Catalysts comprising hydrides, coordination complexes or organic compounds (catalyst compositions used only in polymerisation reactions C08 ) > containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • B01J 31/32 of manganese, technetium or rhenium since 1974 IPC+CPC Available in IPC and CPC
  • B01J 31/34 of chromium, molybdenum or tungsten since 1974 IPC+CPC Available in IPC and CPC
  • B01J 31/36 of vanadium, niobium or tantalum since 1974 IPC+CPC Available in IPC and CPC
  • B01J 31/38 of titanium, zirconium or hafnium since 1974 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