IPC Definitions - January 01, 2012

C04B 38/00 - Definition fr

Definition statement

This main group covers:

Mortars, concrete, artificial stone or ceramic ware which are deliberately made porous, e.g. by adding gas-forming, foaming, lightweight or burnable additives to the compositions they are made of, and the preparation thereof.

References relevant to classification in this main group

This main group does not cover:

Artificial stone compositions containing fibres, and voids which may occur between the intertwined fibres, but no binders

C04B 30/02

Informative references

Attention is drawn to the following places, which may be of interest for search:

Porous or cellular macromolecular materials

C08J 9/00

Special rules of classification

Porous mortars, concrete, artificial stone or ceramic ware characterised by the ingredients or compositions are also classified in groups C04B 2/00 to C04B 35/00.