01
Chemical products used in industry in the field of activated
carbon for bleaching, absorption, filtration and
purification; filtering materials of unprocessed plastics,
not included in other classes; activated carbon for
technical purposes; membranes for filtration
09
Control devices for water and gas purifiers and filters;
control devices for gas supply in water and gas purifiers
and filters
11
Water filters, water filtering apparatus, instruments and
devices; apparatus, instruments and devices for separating
substances and/or liquids; all the aforementioned articles
for domestic or industrial use; activated carbon apparatus;
installations and apparatus for the purification of waste
water and emissions; installations for the purification of
flows of liquids, water, gas and air; filters being parts
of industrial installations for cleaning waste water,
emissions and flows of liquids, water, gas and air; fixed
bed filters and activated carbon filters; parts and
accessories for fixed bed filters and activated carbon
filters; control and safety accessories for water and gas
purifiers and filters; separators and flexible pipes for
water and gas purifiers and filters; separators and
flexible pipes for gas supply in water and gas purifiers and
filters
40
Air purification and water treatment; transformation of
plastics and provision of information relating thereto;
treatment of raw materials; processing and treatment of
plastic materials; rental of water treatment equipment;
rental of water filters; treatment of waste water, water,
gas or air flows; bleaching, filtering and purification of
wastewater, water, gases or air currents and absorption of
impurities contained in waste water, water, gas or air
currents; rental of equipment and installations for
bleaching, filtration and/or purification of waste water,
water, gases or air flows and of equipment and installations
for the absorption of impurities from waste water, water,
gases and air flows
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