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DIFF Main Group
B01J 29/00

Catalysts comprising molecular sieves

Introduced: July 1974

Of 9 combined children, 8 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • B01J 29/005 CPC only CPC only
  • B01J 29/86 Borosilicates; Aluminoborosilicates since 1995 IPC+CPC Available in IPC and CPC
  • B01J 29/87 Gallosilicates; Aluminogallosilicates; Galloborosilicates since 1995 IPC+CPC Available in IPC and CPC
  • B01J 29/88 Ferrosilicates; Ferroaluminosilicates since 1995 IPC+CPC Available in IPC and CPC
  • B01J 29/89 Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium since 1995 IPC+CPC Available in IPC and CPC
  • B01J 29/90 Regeneration or reactivation 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