United States Patent and Trademark Office

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

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	CPC	COOPERATIVE PATENT CLASSIFICATION

B09C

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 ]

B09C 1/00

Reclamation of contaminated soil

B09C 1/002

{

involving in-situ ground water treatment

}

B09C 1/005

{

Extraction of vapours or gases using vacuum or venting

}

B09C 1/007

{

by removing contaminants floating on the water table

}

B09C 1/02

Extraction using liquids, e.g. washing, leaching,

{

flotation

}

B09C 1/025

. .

{

using an oil as solvent or extracting agent

}

B09C 1/06

thermally ( incinerators for contaminated soil F23G 7/14 )

B09C 1/062

. .

{

by using electrode or resistance heating elements

}

B09C 1/065

. .

{

by pyrolysis

}

B09C 1/067

. .

{

by vitrification

}

B09C 1/08

chemically ( chemical means for combating harmful chemical agents A62D 3/00 )

B09C 1/085

. .

{

electrochemically, e.g. by electrokinetics

}

B09C 1/10

microbiologically,

{

biologically

}

or by using enzymes

B09C 1/105

. .

{

using fungi or plants

}

B09C 2101/00

In situ