TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The membrane carrier comprises inorganic material, zeolite or alumina. Preferred Method: The curing process is carried out with radiation including UV or electron beam. The preparation involves unwinding membrane carrier from roll, optionally passing through wetting unit, passing through coating application unit, optionally passing through drying unit, passing through curing unit, where coated membrane is rewinded on next roll. The membrane with cured coating of 0.3-10 (preferably 1-5) g/m2 is subjected to washing and drying.    TECHNOLOGY FOCUS - METALLURGY - Preferred Components: The metaloxide comprises silicium oxide (preferred), titanium oxide, magnesium oxide, stannous oxide, aluminum oxide, zirconium oxide, zinc oxide and/or cerium oxide. The metaloxide oligomer is prepared from hydroxy and/or alkoxy metal compounds. The membrane carrier comprises preferably metal.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The reactive groups on metaloxide oligomers are made by reacting alkoxy-organic metal compound including tetraalkoxy metal and organic-metal compound at molar ratio of greater than or equal to 2:1: greater than or equal to 20:1, preferably greater than or equal to 15:1. The reactive groups are alcohol, amine, mercapto, isocyanate, acrylate, vinyl, epoxy, and/or carboxylic acid. The amount of inorganic-organic hybrid material is greater than or equal to 2 (preferably greater than or equal to 5) wt.% of solid material of coating composition. The coating composition comprises additive, preferably nano size active carbon, enzymes, pharmaceuticals, nutraceuticals, and/or ion exchange resin. The solvent comprises a non-polar solvent or polar non-protic solvent. Preferred Properties: The coating composition having viscosity of less than or equal to 0.1,preferably less than or equal to 0.01 Pa-second exhibits upon cure shrinkage of less than or equal to 8, preferably less than or equal to 4 vol.%.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The hydrophilic coating is obtained from coating composition by polymerization reactions comprising 30, preferably greater than or equal to 80% ring-opening polymerization. The membrane carrier comprises organic material including polyethylene, polypropylene, polysulfone, polyvinylidenefluoride, PTFE, expanded PTFE polycarbonate, mixed polymers membranes or plasma treated membranes. The membrane carrier comprises ultra-high molecular weight polyethylene ( greater than or equal to 20, preferably greater than or equal to 50 wt.%) having weight average molecular weight of 500000-10000000 g/mol. The amount of coating after washing and drying is 3-50, preferably 7-30 wt.% of membrane. Preferred Properties: The membrane has pore size of 0.001-20 (preferably 0.01-4) mu m; porosity of 15-90 (preferably 40-70)%; and thickness if 10-500 (preferably 20-200) mu m. The coating comprises thin layer having thickness of 20 nm-5 mu m, preferably 80 nm-1 mu m. The hydrophilic membrane has pore size of 0.5-100, preferably 10-50 mu m. EXAMPLE - A Solupor 16P15A(RTM: ultra high molecular weight polyethylene membranes) was directly coated with coating composition having coating load with 1.4 g/m2; pore size of 0.13 mu m; and water uptake of 83%. The prepared hyrophilic membrane exhibits water reflux of 1440 L/m2-hour-bar.