Filing statistics

CPC C10C 1/005 belongs to the parent subclass C10C, which recorded 3,335 patent applications worldwide between 2013 and 2023. Annual filings grew from 184 in 2013 to 315 in 2023 (+71%), peaking at 391 applications in 2022. The most active applicants in class C10 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (5,831 applications), SAUDI ARABIAN OIL COMPANY (2,918 applications) and IFPEN (IFP ENERGIES NOUVELLES) (2,305 applications).

Source: EPO PATSTAT, worldwide filings