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DIFF Subgroup
B01J 35/70

characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J21/18; molecular sieves B01J29/00)

Introduced: January 2024

Title

Titles differ between systems:

IPC: characterised by their crystalline properties, e.g. semi-crystalline

CPC: characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J21/18; molecular sieves B01J29/00)

Full Title

Full titles differ between systems:

IPC:

Catalysts, in general, characterised by their form or physical properties > characterised by their crystalline properties, e.g. semi-crystalline

CPC:

Catalysts, in general, characterised by their form or physical properties > characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J21/18; molecular sieves B01J29/00)

Additional Content IPC

Catalysts comprising carbon Molecular sieves

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

IPC defines codes here since 2024.

Child Classifications

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  • B01J 35/73 having a two-dimensional [2D] layered crystalline structure, e.g. layered double hydroxide [LDH] since 2024 IPC+CPC Available in IPC and CPC
  • B01J 35/733 CPC only CPC only
  • B01J 35/735 CPC only CPC only
  • B01J 35/737 CPC only CPC only
  • B01J 35/77 Compounds characterised by their crystallite size since 2024 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