|
| CPC | COOPERATIVE PATENT CLASSIFICATION |
| | 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 10/10 | . | 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 20/30 | . | of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6] |
