Process for preparation of decorative articles having patterned coating of inorganic paint

Claim 2

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

Claim 3

A process according to claim 1 wherein the substrate has a primer coating composed of a completely hardened inorganic paint.

Claim 4

A process according to claim 1 wherein the water-soluble organic solvent is at least one alcohol type solvent.

Claim 5

A process according to claim 1 wherein the water-soluble organic solvent is a mixture of at least one alcohol type solvent and another solvent which is at least one member selected from the group consisting of ketones, esters, ether-esters, ethers, and ether-alcohol type solvents.

Claim 6

A process according to claim 1 comprising incorporating a water-insoluble or slightly water-soluble organic solvent, the solubility of which in water at 20*C is less than 20%, in the water-soluble organic solvent in an amount of up to 40% by weight based on the water-soluble organic solvent.

Claim 7

A process for the preparation of decorative articles having an inorganic paint coating with a rugged pattern including cracks, said process comprising coating on a substrate a mixture of water-soluble organic solvent, the solubility of which in water at 20*C is at least 20%, and an organic binder having an average molecular weight of between 500 and 100,000 or an inorganic binder, the binder being soluble or dispersible in the organic solvent, and having a film-forming property and being present in the amount such that the nonvolatile component concentration is up to 70% by weight, allowing the coated substrate to stand for from 0.5 to 90 minutes, coating on the thus coated substrate an inorganic paint comprising (i) a silicate representing the following general formula M20.xSi02 wherein x is a number of from 0.5 to 10, and M is a member selected from the group consisting of (1) alkali metals belonging to Group IA of the Periodic Table, (2), mono-, di-, tri- and tetra-amines represented by the formula R4-N- (R is H, -CH2OH, -C2H4OH, -CH3, -C2H5 or the like) and (3) groups represented by the formula -N C(NH2)2 or

Claim 8

A process for the preparation of decorative articles having an inorganic paint coating with a rugged pattern including cracks, said process comprising coating on a substrate a mixture of water-soluble organic solvent, the solubility of which in water at 20*C is at least 20%, and an organic binder having an average molecular weight of between 500 and 100,000 or an inorganic binder, the binder being soluble or dispersible in the organic solvent, and having a film-forming property and being present in the amount such that the nonvolatile component concentration is up to 70% by weight, allowing the coated substrate to stand for from 0.5 to 90 minutes, coating on the thus coated substrate an inorganic paint comprising (i) a silicate representing the following general formula M20.xSi02 wherein x is a number of from 0.5 to 10, and M is a member selected from the group consisting of (1) alkali metals belonging to Group IA of the Periodic Table, (2), mono-, di-, tri- and tetra-amines represented by the formula R4-N- (R is H, -CH2OH, -C2H4OH, -CH3, -C2H5 or the like) and (3) groups represented by the formula -N C(NH2)2 or

Claim 9

A process according to claim 6 comprising incorporating a water-insoluble or barely water-soluble organic solvent, the solubility of which in water at 20*C is less than 20%, into the water-soluble organic solvent in an amount of up To 40% by weight based on the water-soluble organic solvent.

Claim 10

A process according to claim 6 wherein the organic or inorganic binder is dissolved or dispersed in a mixed solvent of the water-soluble organic solvent and the water-insoluble or barely water-soluble organic solvent, the solubility of which in water at 20*C is less than 20%, in an amount of up to 70% by weight based on the mixed solvent.

Claim 11

A process for the preparation of decorative articles having an inorganic paint coating with a rugged pattern including cracks, said process comprising coating on a substrate a mixture of a water-soluble organic solvent, the solubility of which in water at 20*C is at least 20%, and an inorganic filler having a particle size of about 0.1 to about 500 Mu which is selected from the group consisting of silicon oxide, kaolin, diatomaceous earth, calcium carbonate and precipitated barium sulfate, in an amount of up to 40% by weight based on the water-soluble solvent, allowing the coated substrate to stand for from 0.5 to 90 minutes, coating on the thus coated substrate an inorganic paint comprising (i) a silicate having the formula M20.xSi02 wherein x is a number of from 0.5 to 10, and M is a member selected from the group consisting of (1) alkali metals belonging to Group IA of the Periodic Table, (2) mono-, di-, tri-, and tetraamines represented by the formula R4-N- (R is H, -CH2OH, -C2H4OH, -CH3, -C2H5 or the like) and (3) groups represented by the formula -N C(NH2)2 or

Claim 12

A process for the preparation of decorative articles having an inorganic paint coating with a rugged pattern including cracks, said process comprising coating on a substrate a mixture of a water-soluble organic solvent, the solubility of which in water at 20*C is at least 20%, and an inorganic filler having a particle size of about 0.1 to about 500 Mu which is selected from the group consisting of silicon oxide, kaolin, diatomaceous earth, calcium carbonate and precipitated barium sulfate, in an amount of up to 40% by weight based on the water-soluble solvent, allowing the coated substrate to stand for from 0.5 to 90 minutes, coating on the thus coated substrate an inorganic paint comprising (i) a silicate having the formula M20.xSi02 wherein x is a number of from 0.5 to 10, and M is a member selected from the group consisting of (1) alkali metals belonging to Group IA of the Periodic Table, (2) mono-, di-, tri-, and tetraamines represented by the formula R4-N- (R is H, -CH2OH, -C2H4OH, -CH3, -C2H5 or the like) and (3) groups represented by the formula -N C(NH2)2 or

Claim 13

A process according to claim 9 comprising incorporating a water-insoluble or barely water-soluble organic solvent, the solubility of which in water at 20*C is less than 20%, in said water-soluble organic solvent in an amount of up to 40% by weight based on the water-soluble organic solvent.