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DIFF Subgroup
B01J 47/018

Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials

Introduced: January 2017

Full Title

Full titles differ between systems:

IPC:

Ion-exchange processes in general; Apparatus therefor > Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials

CPC:

Ion-exchange processes in general; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08) > Granulation; Incorporation of ion-exchangers in a matrix; Mixing with inert materials

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

IPC defines codes here since 2017.

Child Classifications

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  • B01J 47/019 Mixtures in form of tablets since 2017 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