Cooperative Patent Classification


CPC Definition - Subclass B09C

Printable version [PDF]
Last Updated Version: 2016.11
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)
References
Limiting references

This place does not cover:

gatherers for removing stone or the like from the soil

sterilising soil by steam

processes for making harmful chemical substances harmless or less harmful by effecting chemical change in the substance

separation in general

cleaning beaches

removing undesirable matter, e.g. rubbish, from the land

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Reclamation

the partial or total elimination or the fixing of contaminants in soil.

Reclamation of contaminated soil
Definition statement

This place covers:

Removing contaminants from contaminated soil. Reclamation of contaminated

soil comprising systems and methods generally applicable to any type of

reclamation of contaminated soil.

Example: FR-A1-2872719

media0.png

{involving in-situ ground water treatment}
Definition statement

This place covers:

Any type of in-situ ground water treatment.

Example: CH-A5-696639

media1.png

{Extraction of vapours or gases using vacuum or venting}
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of soil venting.

Example: US-A1-2009/080979

media2.png

Extraction using liquids, e.g. washing, leaching, {flotation}
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of contacting the

contaminated soil with a liquid.

Example: DE-A1-4228966

media3.png

thermally (incinerators for contaminated soil F23G 7/14)
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of a thermal

treatment, such as desorbing, volatilizing.

Example: WO-A1-2007046688

media4.png

{by vitrification}
Definition statement

This place covers:

Rendering contaminated soil harmless by means of vitrification.

Example: WO-A1-94/04761

media5.png

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

This place covers:

Rendering contaminated soil harmless by means of chemical treatment.

Removing contaminants from contaminated soil by means of chemical

treatment. Binding of soil contaminants.

{electrochemically, e.g. by electrokinetics}
Definition statement

This place covers:

Electrochemical treatment of contaminated soil.

Example: US-A-5458747

media6.png

microbiologically, {biologically} or by using enzymes
Definition statement

This place covers:

Rendering contaminated soil harmless by means of biological treatment.

Removing contaminants from contaminated soil by means of biological

treatment.

Example: US-B1-6796741

media7.png

{using fungi or plants}
Definition statement

This place covers:

Removing contaminants from contaminated soil by means of fungi or plants.

Example: US-A1-2004/101945

media8.png