TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The catalyst is a Bronsted acid comprising sulfuric acid, hydrochloric acid, preferably 32% hydrochloric acid, nitric acid, preferably 65% nitric acid and/or amidosulfonic acid.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The coating composition further comprises (e) at least one second solvent mixture comprising alcohol, preferably isopropanol, di(propylene glycol)dimethyl ether, di(propylene glycol)butyl ether, propylene glycol butyl ether and/or 1-methoxy-2-propanol, and (f) 20-65 wt.% second solvent mixture. Preferred Components: The first silane compound comprises four times hydrolyzable siloxane compounds of formula (Si(O(CH)nCH3)4) (Ia), preferably tetraethoxyorthosilane, siloxane compounds of formula ((R1)n1Si(O(CH2)mCH3)4-n1) (Ib), halosilane compounds of formula (SiX4) (Ic) and/or alkyl-halosilane compounds of formula ((R2)n1SiX4-n1) (Id). The second silane compound comprises triply-hydrolyzable and epoxy-functional siloxane compounds of formula (CH2OCH-CH2-O-(CH2)m1-Si(O(CH2)n2CH3)3) (IIa), preferably 55 siloxane compounds e.g. 3-glycidyloxypropyl-triethoxysilane, glycidoxymethyl-triethoxysilane, glycidoxymethyl-tripropoxysilane, glycidoxymethyl-tributoxysilane, beta -glycidoxyethyl-trimethoxysilane, beta -glycidoxyethyl-triethoxysilane, beta -glycidoxyethyl-tripropoxysilane, beta -glycidoxyethyl-tributoxysilane, alpha -glycidoxyethyl-triethoxysilane, alpha -glycidoxyethyl-tripropoxysilane, alpha -glycidoxyethyl-tributoxysilane, gamma -glycidoxypropyl-trimethoxysilane, gamma -glycidoxypropyl-triethoxysilane, gamma -glycidoxypropyl-tripropoxysilane, gamma -glycidoxypropyl-tributoxysilane, beta -glycidoxypropyltrimethoxysilane, beta -glycidoxypropyl-triethoxysilane, beta -glycidoxypropyl-tripropoxysilane, beta -glycidoxypropyl-tributoxysilane, alpha -glycidoxypropyl-trimethoxysilane, alpha -glycidoxypropyl-triethoxysilane, alpha -glycidoxypropyl-tripropoxysilane, alpha -glycidoxypropyl-tributoxysilane, gamma -glycidoxybutyl-trimethoxysilane, delta -glycidoxybutyl-triethoxysilane, delta -glycidoxybutyl-tripropoxysilane, delta -glycidoxybutyl-tributoxysilane, delta -glycidoxybutyl-trimethoxysilane, gamma -glycidoxybutyl-triethoxysilane, gamma -glycidoxybutyl-tripropoxysilane, gamma -propoxybutyl-tributoxysilane, delta -glycidoxybutyl-trimethoxysilane, delta -glycidoxybutyl-triethoxysilane, delta -glycidoxybutyl-tripropoxysilane, alpha -glycidoxybutyl-trimethoxysilane, alpha -glycidoxybutyl-triethoxysilane, alpha -glycidoxybutyl-tripropoxysilane, alpha -glycidoxybutyl-tributoxysilane, (3,4-epoxycyclohexyl)-methyl-trimethoxysilane, (3,4-epoxycyclohexyl)methyl-triethoxysilane, (3,4-epoxycyclohexyl)methyl-tripropoxysilane, (3,4-epoxycyclohexyl)-methyl-tributoxysilane, (3,4-epoxycyclohexyl)ethyl-trimethoxysilane, (3,4-epoxycyclohexyl)ethyl-triethoxysilane, (3,4-epoxycyclohexyl)ethyl-tripropoxysilane, (3,4-epoxycyclohexyl)-ethyl-tributoxysilane, (3,4-epoxycyclohexyl)propyl-trimethoxysilane, (3,4-epoxycyclohexyl)propyl-triethoxysilane, (3,4-epoxycyclohexyl)propyl-tripropoxysilane and (3,4-epoxycyclohexyl)propyl-tributoxysilane, and/or triply hydrolyzable (meth)acryl-functionalized siloxane compounds of formula (CH2=CR3--CO-O-(CH2)-Si(O(CH2)nCH3)3) (IIb). The first solvent or first solvent mixture comprises alcohols comprising methanol, ethanol, propanol, butanol, octanol, cyclohexanol or glycols, preferably ethylene glycol, diethylene glycol or butyl glycol, ethers or glycol ethers, preferably diethyl ether or dibutyl ether, anisole, dioxane, tetrahydrofuran and/or mono-, di-, tri- or polyethylene glycol ether. The mixture exhibits a mass ratio of the first silane compound and the second silane compound of 2:1-6:1, preferably 4:1. The mass ratio of the catalyst and the mixture comprising the first- and the second silane compound, is 0.5:1-0.05:1, preferably 0.1:1. The mass ratio of the mixture and water is 4:1-0.5:1, preferably 1.48:1. The mass ratio of the mixture and the first solvent or first solvent mixture is 0.1:1-0.8:1, preferably 0.3:1. The mass ratio of solvent and isopropanol is 0.1:1-0.7:1, preferably 0.37:1. The coating composition comprises 4-8 wt.% the first silane compound, 1-2 wt.% the second silane compound, 10-30 wt.% the first solvent or solvent mixture, 0.5- 0.8 wt.% the catalyst, preferably acid, and 3-5 wt.% water.n = 0-4;x = 0-17;m = 0-4;n1 = 1-2;X = Cl, Br or I;R1, R2 = -(CH2)xCH3;n2 = 0-4;m1 = 0-6; andR3 = H or CH3.Preferred Method: The method further comprises (vii) mixing the mixture obtained in step (vi) with the second solvent mixture, and (viii) mixing the mixture obtained in step (vii). After the application of the coating composition, curing of the coating or curing of the coating and an uncured substrate, preferably uncured glass, preferably float-, roller- or roll glass, or uncured ceramic material, is carried out by exposing to a temperature of at least 150 degrees C, preferably 200-250 degrees C for 15-240 minutes, preferably 120 minutes. A two- or multilayered application of the coating composition on at least one surface of the substrate is carried out, where each layer is formed from the same or different composite coating composition, and the layers are optionally applied in a spin-coating-, spraying-, dipping-, dip coating-, roller coating-, coating- and/or knife coating process. EXAMPLE - No suitable example given.