1
Distilled water; Deionised water; Water-softening preparations; Biological water treatment preparations; Water treatment preparations; Chemical compositions for water treatment; Filtering media [chemical] for water; Chemical compositions for water treatment
6
Sealing caps of metal; Closures of metal; Bottle closures of metal
9
Optical and/or electromagnetic and/or electric equipment for determining the fill level of a container integrated in closures for containers (including screw closures); Communications equipment (in particular featuring a data interface featuring short-range radio transmission) for data exchange with a smartphone, tablet, PC or the like integrated in closures for containers (including screw closures); Mobile apps
11
Water filters; Water filtering units; Membranes for the filtration of water; Water filtering apparatus for domestic use; Water conditioning units; Water treatment apparatus for water softening; Chilled purified water dispensers; Equipment for generating electromagnetic radiation for disinfecting containers or container contents; UVC spotlights for purifying fluids; Generators for ultraviolet radiation (UVC); Water purification units; Water disinfection apparatus
20
Sealing caps, not of metal; Bottle caps, not of metal; Caps made of non-metallic materials for containers; Non-metallic caps and closures for bottles and for containers; Bottle closures, not of metal
40
Water treating; Water treating; Regeneration of water; Water treatment and purification; Water purification