[Class : 40] Treatment Of Materials; Vulcanization (Material Treatment); Services Related To The Treatment Of Sewage And Industrial Effluents, Transformation Of All Chemical Products.[Class : 11] Apparatus For Water Distributing, Sanitary Installations; Filtering And Purification Apparatus.[Class : 42] Professional Consultancy Relating To Tangential Filtration Systems (Engineering Work); Consultancy Services, Audits, Evaluations (Engineering Work) Regarding Environmental Protection; Research Regarding All Chemical Products, In Particular Products And Materials Used In The Separation Process; Research And Development In The Field Of Tangential Ultrafiltration And Microfiltration Membranes And Supports.[Class : 1] Chemicals Used In Industry And Science; Unprocessed Plastics; Preparations For Tempering And Soldering Metals; Adhesives Used In Industry; Filtering Substances And Filtering Agents Used In Industry; Chemicals, Biological And Bacteriological Preparations For Water Treatment, For Water Purification And For Treatment Of Industrial Effluents; Filtering Materials; Ceramic Particles For Filtering.[Class : 7] Machines And Machine Tools; Motors And Engines (Except For Land Vehicles); Filters And Filtering And Purification Apparatus.[Class : 17] Semi Finished Plastics For Use In Manufacture; Packing, Stopping, And Insulating Materials; Flexible Pipes, Not Of Metal; Filtration Membranes Of Semi Finished Plastics.