01
Chemical preparations for the treatment of water, included
in this class; water softening preparations; water purifying
chemicals; inhibitors and hardness stabilizers for drinking
water systems, industrial water systems, process water
systems, raw water systems, water for domestic use systems,
included in this class; corrosion inhibitors, in particular
for drinking water systems, industrial water systems,
process water systems, raw water systems, water for domestic
use systems, included in class; liquid corrosion inhibitors
on the basis of silicates, included in this class; chemical
preservatives, included in this class
02
Anti-corrosive preparations, in particular liquid
anti-corrosive preparations for addition to water as
preparations for corrosion protection of metallic surfaces;
chemical preservatives, included in this class; colorants,
included in this class
03
Cleaning preparations for apparatus, installations, devices
and machines for the treatment of water, water supplying and
water stockpiling and for drinking water systems, industrial
water systems, process water systems, raw water systems,
water for domestic use systems, including membrane systems;
cleaning preparations for cleaning equipment and cleaning
systems for such apparatus and installations, included in
this class
09
Dosage apparatus for the claimed installations, apparatus,
devices and machines of class 11, not as parts of these
11
Water softening apparatus and water softening installations,
water treatment installations, water treatment apparatus and
water treatment machines, water supply installations and
water preparation installations, drinking water
installations, industrial water installations, process water
installations, raw water installations, water for domestic
use installations, in each case included in this class;
parts and accessories of such installations, devices,
apparatus and machines, included in class 11; dosage
installations and dosage apparatus as parts of the
aforementioned installations, apparatus, devices and
machines
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