1
Sewerage water treatment chemicals; Chemicals for use in the treatment of water; Chemicals for use in purifying water; Chemicals for use in the treatment of waste water; Waste treatment chemicals; Chemical products for the treatment of drinking water; Flocculating chemicals for treating waste and industrial process water; Chemical preparations for use as corrosion inhibitors; Chemical compositions for water treatment; Water purifying chemicals; Chemicals for the purification of water; purification chemicals; Filtering materials [chemical, mineral, vegetable and other unprocessed materials]; industrial chemicals; Bacteria for waste water treatment
2
Coatings; Corrosion inhibitors; Corrosion inhibitors in the nature of a coating; Anti-corrosive substances; Spray coatings [anti-corrosives]; Protective coatings in the form of sprays for use on metals [paints]
40
Air and water conditioning and purification; Waste water treatment; Waste and/or water treatment services; Treatment of waste water from industrial processes
42
Testing, authentication and quality control; Water analysis; Analysis of water quality