1
Chemical preparations for water softening; Carbonaceous absorbents for the purification of liquids; Filter aids for liquid purification; Filter material of vegetable raw materials; Filtering media (chemical) for water; Ceramic materials in particulate form for use as filtering preparations; Filtering media (mineral substances)
11
Water treatment apparatus for water softening; Installations for water treatment under osmotic process; Water desalinating apparatus utilising reverse osmosis; Reverse osmosis filter apparatus; Filters for drinking water
42
Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Conducting investigations into the microbiological and chemical quality of drinking water systems, for the individual monitoring of water production installations in accordance with the German Drinking Water Ordinance, as well as investigations and risk assessments with regard to microbial problems in drinking water production; Engineering surveying of drinking water pollution; Development of concepts for hygiene monitoring; Conducting of inspections to test the hygiene status in communal facilities, and conducting of microbiological tests to check the efficacy of cleaning measures; Determining causes and damage analysis with regard to equipment and system failures, including with regard to osmosis and filter installations, and determining the cause of quality problems in the production of drinking water