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

CPC
COOPERATIVE PATENT CLASSIFICATION
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RECLAMATION OF CONTAMINATED SOIL( gatherers for removing stone or the like from the soil A01B 43/00 ; sterilising soil by steam A01G 11/00 ; processes for making harmful chemical substances harmless or less harmful by effecting chemical change in the substance A62D 3/00 ; separation in general B01D; cleaning beaches E01H 12/00 ; removing undesirable matter, e.g. rubbish, from the land E01H 15/00 )
NOTE
-
In this subclass, the following term is used with the meaning indicated:

-"reclamation" means the partial or total elimination
or the fixing of contaminants in soil.

WARNING
-
The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:

B09C1/04 covered by B09C 1/02 ]

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Reclamation of contaminated soil
.
{
involving in-situ ground water treatment
}
.
{
Extraction of vapours or gases using vacuum or venting
}
B09C 1/007
.
{
by removing contaminants floating on the water table
}
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.
Extraction using liquids, e.g. washing, leaching,
{
flotation
}
B09C 1/025
. .
{
using an oil as solvent or extracting agent
}
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.
thermally( incinerators for contaminated soil F23G 7/14 )
B09C 1/062
. .
{
by using electrode or resistance heating elements
}
B09C 1/065
. .
{
by pyrolysis
}
. .
{
by vitrification
}
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.
chemically( chemical means for combating harmful chemical agents A62D 3/00 )
. .
{
electrochemically, e.g. by electrokinetics
}
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.
microbiologically,
{
biologically
}
or by using enzymes
. .
{
using fungi or plants
}
B09C 2101/00
In situ
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013