The present invention relates to a kit of parts comprising a dental mill blank comprising a porous zirconia material and a colouring solution for colouring the porous zirconia material. The porous zirconia material comprises Zr oxide calculated as ZrO2: from 80 to 97 wt.-%, Al oxide calculated as Al2O3: from 0 to 0.15 wt.-%, Y oxide calculated as Y2O3: from 1 to 10 wt.-%, Bi oxide calculated as Bi2O3: from 0.01 to 0.2 wt.-%, the porous zirconia material not comprising Fe calculated as Fe2O3 in an amount of more than 0.01 wt.-%, wt.-% with respect to the weight of the porous zirconia material. The colouring solution comprises solvent(s), colouring agent(s) comprising metal ions selected from Tb, Er, Pr, Mn or combinations thereof, the solution not comprising Fe ions in an amount of more than 0.01 wt.-%, the solution not comprising Bi ions in an amount of more than 0.01 wt.-%, wt.-% with respect to the weight of the colouring solution. The invention also relates to a process of producing a dental restoration, the process comprising the steps: providing a dental mill blank comprising a porous zirconia material as described in any of the preceding claims, machining an article out of the porous zirconia material, the article having the shape of a dental restoration with an outer and inner surface, providing a colouring solution as described in any of the preceding claims, applying the colouring solution to at least portions of the surface of the article having the shape of a dental restoration.

A glass or ceramic dishware item with an image disposed thereon is provided. The image is transferred, at ambient temperature, to the surface of the dishware from an ink composite by using a silicone transfer substrate. The ink composite is dispensed by an inkjet head. Methods and systems for producing ink composites and dishware using ink composites are also provided.

A glass or ceramic dishware item with an image disposed thereon is provided. The image is transferred, at ambient temperature, to the surface of the dishware from an ink composite by using a silicone transfer substrate. The ink composite is dispensed by an inkjet head. Methods and systems for producing ink composites and dishware using ink composites are also provided.

This disclosure relates to an inorganic-organic metal phosphate ceramic coating from the reaction of an inorganic phosphate of the formulas (i) A.sub.m(H.sub.2PO.sub.4).sub.m.nH.sub.2O or (ii) AH.sub.3(PO.sub.4).sub.2.nH.sub.2O; where A is ammonium or an m-valent metal element; m=1, 2, or 3; and n is 0 to 25; and at least one metal oxide or hydroxide represented by the formula B.sub.2mO.sub.m or B(OH).sub.2m, where B is a 2m-valent metal; and m=1 or 1.5; thereof; and at least one polymer capable of reacting with at least the one metal oxide or hydroxide; or a first organic precursor combined with the inorganic phosphate and a second organic precursor combined with the at least one metal oxide or hydroxide, the second organic precursor configured to chemically react with the one or more first organic precursor.

This disclosure relates to an inorganic-organic metal phosphate ceramic coating from the reaction of an inorganic phosphate of the formulas (i) A.sub.m(H.sub.2PO.sub.4).sub.m.nH.sub.2O or (ii) AH.sub.3(PO.sub.4).sub.2.nH.sub.2O; where A is ammonium or an m-valent metal element; m=1, 2, or 3; and n is 0 to 25; and at least one metal oxide or hydroxide represented by the formula B.sub.2mO.sub.m or B(OH).sub.2m, where B is a 2m-valent metal; and m=1 or 1.5; thereof; and at least one polymer capable of reacting with at least the one metal oxide or hydroxide; or a first organic precursor combined with the inorganic phosphate and a second organic precursor combined with the at least one metal oxide or hydroxide, the second organic precursor configured to chemically react with the one or more first organic precursor.

A fired ceramic article including a screen printed layer of primer on a portion of the fired ceramic body. The thickness of the primer layer is less than 25 microns. A machine-readable code is laser marked onto the screen printed layer of primer. Methods of marking a ceramic article are also provided.

A fired ceramic article including a screen printed layer of primer on a portion of the fired ceramic body. The thickness of the primer layer is less than 25 microns. A machine-readable code is laser marked onto the screen printed layer of primer. Methods of marking a ceramic article are also provided.

The invention relates to a colouring composition, preferably an ink for ink jet printing, comprising: (A) 3.0-15.0% by weight of Ti in the form of a titanium compound obtained by a process comprising: (i) reacting at least one titanium alkoxide with water and, optionally, at least one alcohol, thereby obtaining a reaction mixture; (ii) adding glycolic acid in a Ti:acid molar ratio comprised between 1:0.8 and 1:2.0, thereby generating a mixture of water and alcohol comprising an intermediate titanium compound; (iii) optionally, but preferably, removing part of the mixture comprising water and alcohol; (iv) adding at least one compound of formula N(R2).sub.3 with a Ti:N(R2).sub.3 molar ratio comprised between 1:0.20 and 1:1.50; and (v) completely eliminating the alcohol; (B) 0.2-2.5% by weight of Cr and/or Ni in the form of at least one water-soluble organic compound of Cr and/or Ni; (C) up to 100% by weight of at least one solvent selected from the group consisting of water, organic solvents miscible with water and mixtures thereof, wherein the quantities (A), (B) and (C) refer to the overall weight of the colouring composition.

The invention relates to a colouring composition, preferably an ink for ink jet printing, comprising: (A) 3.0-15.0% by weight of Ti in the form of a titanium compound obtained by a process comprising: (i) reacting at least one titanium alkoxide with water and, optionally, at least one alcohol, thereby obtaining a reaction mixture; (ii) adding glycolic acid in a Ti:acid molar ratio comprised between 1:0.8 and 1:2.0, thereby generating a mixture of water and alcohol comprising an intermediate titanium compound; (iii) optionally, but preferably, removing part of the mixture comprising water and alcohol; (iv) adding at least one compound of formula N(R2).sub.3 with a Ti:N(R2).sub.3 molar ratio comprised between 1:0.20 and 1:1.50; and (v) completely eliminating the alcohol; (B) 0.2-2.5% by weight of Cr and/or Ni in the form of at least one water-soluble organic compound of Cr and/or Ni; (C) up to 100% by weight of at least one solvent selected from the group consisting of water, organic solvents miscible with water and mixtures thereof, wherein the quantities (A), (B) and (C) refer to the overall weight of the colouring composition.

Embodiments of the present disclosure generally relate to processes for forming functionalized membranes. In an embodiment, a process for forming a functionalized porous membrane is provided. The process includes introducing a porous membrane with an aqueous solution of a hydrophilic agent in a reaction zone, and operating the reaction zone under conditions to form the functionalized porous membrane, the conditions comprising heating the reaction zone to a temperature of about 95° C. or less.