WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

Y02C　CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]

Y02C 10/00 CO2 capture or storage (not used, see subgroups)

Y02C 10/02 ・Capture by biological separation

Y02C 10/04 ・Capture by chemical separation

Y02C 10/06 ・Capture by absorption

Y02C 10/08 ・Capture by adsorption

Y02C 10/10 ・Capture by membranes or diffusion

Y02C 10/12 ・Capture by rectification and condensation

Y02C 10/14 ・Subterranean or submarine CO2 storage

Y02C 20/00 Capture or disposal of greenhouse gases [GHG] other than CO2 (not used, see subgroups)

Y02C 20/10 ・of nitrous oxide (N2O)

Y02C 20/20 ・of methane

Y02C 20/30 ・of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]