[Class : 40] "Chemical Processing Of Methanol Into Dimethyl Ether And Products Of Dimethyl Ether In Industrial Plants."[Class : 42] "Research And Development In The Field Of Process Technology And Chemistry, In Particular The Field Of Demethyl Ether Synthesis And Its Derivatives; Engineer Services; Technical Development, Planning, Construction, Technical Projecting And Taking Into Operation Of Plants, Devices And Methods For Analysis And Synthesis, And Technical Consulting, In Particular In The Field Of Dimethyl Ether Synthesis And Their Products, As Far As Contained In Class 42; Execution And Evaluation Of Chemical Analyses; Execution And Evaluation Of Chemical Syntheses; Issuance Of Technical Expert Opinions."[Class : 1] Chemical Products For Commercial And Scientific Purposes; Dimethyl Ether; Products Of Dimethyl Ether; Technical Gases For Commercial Purposes."[Class : 11] "Apparatus, Devices And Plants And Their Parts (As Far As Contained In Class 11), For Generation Of Dimethyl Ether Of Methanol And Technical Gasses In A Reactor System On Industrial Scale."[Class : 37] "Building, Installation, Assembly And Maintenance Of Industrial Plants."[Class : 4] "Combustibles (Including Engine Fuel)".