1 Absorbent carbons, ceramic materials in particulate form, for use as filtering media, carbon for filters, preparations for the purification of gas, textile-impregnating chemicals based on carbon fibres, activated carbon, notably for filters.
7 Cartridges for filtering machines, filters (parts of machines, motors or engines).
11 Apparatus and machines for filtering and purifying air, liquids and gases, air deodorising apparatus, filters for air conditioning, processing installations for fuel and nuclear moderating material, ventilation (air-conditioning) installations for vehicles; electric or solid, liquid or gaseous fuel apparatus for heating and drying, apparatus and installations for lighting.
22 Carbon fibres for textile use, activated carbon fibres for textile use, textile fibres.
24 Textiles based on carbon fibres used notably for the purposes of filtration, purification and trapping of effluents, heating, adsorption, electrochemical and catalytic activities.
40 Purification and filtration of air, liquids and gases, applying finishes to textiles based on carbon fibres, textile treating based on carbon fibres, activation of carbon fibres, textiles and textures, recycling of waste and rubbish; mechanical, physical or chemical treating of carbon-fibre-based textiles.
42 Testing of materials, testing of carbon-fibre-based textiles and testing of carbon-fibre-based textures. engineering including surveying, technical research, laboratory work.