Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C10L 1/22

containing nitrogen

Full Title

Liquid carbonaceous fuels > containing additives > Organic compounds > containing nitrogen

7 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C10L 1/226 containing at least one nitrogen-to-nitrogen bond, e.g. azo compounds, azides, hydrazines

Top Applicants

Top 10 applicants by patent filingsfor 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