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DIFF Main Group
C10G 70/00

Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00

Introduced: January 1990

Title

Titles differ between systems:

IPC: Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , ,

CPC: Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00

Full Title

Full titles differ between systems:

IPC:

Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , ,

CPC:

Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00

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

3 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 8,875
  2. SAUDI ARABIAN OIL COMPANY SA 2,245
  3. PETROCHINA COMPANY 2,028
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 1,980
  5. IFPEN (IFP ENERGIES NOUVELLES) FR 1,963
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 1,878
  7. CHINESE ACADEMY OF SCIENCES 1,829
  8. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 1,787
  9. LUBRIZOL CORPORATION US 1,277
  10. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,268

Top Applicants (CPC)

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,831
  2. SAUDI ARABIAN OIL COMPANY SA 2,918
  3. IFPEN (IFP ENERGIES NOUVELLES) FR 2,305
  4. EXXONMOBIL RESEARCH AND ENGINEERING COMPANY US 2,282
  5. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,268
  6. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NL 2,124
  7. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,487
  8. CHEVRON CORPORATION US 1,400
  9. PETROCHINA COMPANY 1,372
  10. LUBRIZOL CORPORATION US 1,324