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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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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
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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]
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Last Modified: 10/10/2013