Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B01J 35/40

characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77)

Introduced: January 2024

Title

Titles differ between systems:

IPC: characterised by dimensions, e.g. grain size

CPC: characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77)

Full Title

Full titles differ between systems:

IPC:

Catalysts, in general, characterised by their form or physical properties > characterised by dimensions, e.g. grain size

CPC:

Catalysts, in general, characterised by their form or physical properties > characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2024.

Child Classifications

Navigate with arrow keys, Enter to open

  • B01J 35/45 Nanoparticles 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