Patent application number | Description | Published |
20090001623 | Composite material and method for the preparation thereof - A composite material with a porous inorganic-nonmetallic matrix and a second material, characterized in that
| 01-01-2009 |
20090292366 | Material based on a partially stabilized zirconia matrix with cerium oxide and yttrium oxide as stabilizing oxides of zirconia, a process for preparation and use of the material - A sintered ceramic material comprising: a) from 98-50% by volume of zirconia as a matrix, i) stabilized with a stabilizing composition having ii) of from about 2 to about 3 mole percent of yttria and of from about 10 to about 15 mole percent of ceria; wherein the term mole percent is related to the zirconia matrix and iii) the stabilizing composition is present in the range of from about 1:99 to about 99:1; and b) from about 2 to about 50% by volume of alumina of which from about 5 to about 90% by volume is in the form of hexagonal platelets of general formula REAl 11018, where RE stands for rare earth metal. | 11-26-2009 |
20090311650 | Method for the production of a ceramic molded part - A process for the preparation of a ceramic molded part from a suspension/dispersion with a solids content and a fluid content by depositing solids content at the periphery of a porous self-supporting support that is at least partially immersed in the suspension/dispersion and has the same shape as the molded part to be prepared, but with a reduced size, wherein:
| 12-17-2009 |
20090317767 | Material based on a partially stabilized zirconia matrix and process for the preparation and use of the material - A material comprising: from 98-50% by volume of zirconia as a matrix, which is stabilized with i) either of from about 2 to about 3 mole percent of yttria ii) or of from about 10 to about 15 mole percent of ceria; iii) or a mixture of ceria and yttria in the range of amounts as given in i) and ii) the stabilizing oxides may be substituted against each other in a ratio from 1:99 to 99:1 and a maximum stabilization of 3 mole percent related to pure yttria and 15 mole percent related to pure ceria respectively are not exceeded, and wherein the term mole percent is related to the zirconia matrix and wherein the zirconia matrix is obtainable from a) a powder of particles of zirconia having a mean particle size of <0.35 μm, b) the particles are coated with the stabilizing oxides yttria and/or ceria for stabilizing zirconia, c) a stabilization of the tetragonal phase is performed via a diffusion reaction by a sintering process, and from about 2 to about 50% by volume of alumina of which from about 5 to about 90% by volume is in the form of hexagonal platelets of general formula REAl | 12-24-2009 |
20100055638 | SUPPLY SYSTEM FOR TOOTH SAMPLES - A supply system for tooth samples for determining brightness, chroma and/or shade of natural and/or bleached teeth, has a plurality of receiving elements ( | 03-04-2010 |
20110189636 | MOLDED MEMBER MADE OF FORM-STABILIZED MATERIAL AND METHOD FOR THE MANUFACTURE THEREOF - Molded member made of form-stabilized material, comprising at least one first component and one second component, characterized in that the second component has a different pigmentation than the first component and the second component is disposed inside the first element, forming a boundary surface, in such a way that the boundary surface represents a spatially curved surface. | 08-04-2011 |
20120309607 | LITHIUM DISILICATE GLASS-CERAMIC, METHOD FOR PRODUCTION THEREOF AND USE THEREOF - The invention relates to glass-ceramics based on the lithium disilicate system which can be mechanically machined easily in an intermediate step of crystallisation and, after complete crystallisation, represent a very strong, highly-translucent and chemically-stable glass-ceramic. Likewise, the invention relates to a method for the production of these glass-ceramics. The glass-ceramics according to the invention are used as dental material. | 12-06-2012 |
20130029052 | PROCESS FOR IMPROVING THE STABILITY OF YTTRIUM STABILISED ZIRCONIA FOR DENTAL RESTORATIONS - A process for improving the stability of yttrium stabilised zirconia for dental restorations comprising yttrium stabilised zirconia, the dental restorations are veneered with a dental ceramic veneering material wherein—the dental restoration comprising yttrium stabilised zirconia and to be veneered is provided;—the dental ceramic veneering material is applied to the dental restoration by an aerosol which contains the dental ceramic veneering material and substantially water-free propellant;—the resulting arrangement is fired to a resulting veneered dental restoration. | 01-31-2013 |
20130255850 | UNIVERSAL VENEERING OF FRAMEWORKS OF DENTAL RESTORATIONS - A process for the universal, at least partial, veneering of frameworks made of framework materials of dental restorations having a coefficient of thermal expansion CTE | 10-03-2013 |
20130295523 | LITHIUM SILICATE GLASSES OR GLASS CERAMICS, METHOD FOR PRODUCTION THEREOF AND USE THEREOF - The invention relates to glass ceramics based on the lithium metasilicate system (Li | 11-07-2013 |
20140070435 | POROUS, SILICATE, CERAMIC BODY, DENTAL RESTORATION AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a porous, silicate, ceramic body, possibly with different colors, with a first density, which can be sintered into a silicate, ceramic body with a second density, wherein the ratio of the first density to the second density is 2/5 to 98/100, and the three-point bending strength of the porous, silicate ceramic body with a first density, measured according to ISO 6872, amounts to 25 to 180 MPa. | 03-13-2014 |
20140106308 | MOLDED MEMBER MADE OF FORM-STABILIZED MATERIAL AND METHOD FOR THE MANUFACTURE THEREOF - Molded member made of form-stabilized material, comprising at least one first component and one second component, characterized in that the second component has a different pigmentation than the first component and the second component is disposed inside the first element, forming a boundary surface, in such a way that the boundary surface represents a spatially curved surface. | 04-17-2014 |
20140200129 | DENTAL RESTORATION, METHOD FOR PRODUCTION THEREOF AND GLASS CERAMIC - The invention relates to glass ceramics, which show high strength, high translucency, high chemical stability and which are still mechanically processible. The invention further refers to a method for producing a dental restoration comprising such glass or glass ceramic as well as the dental restoration itself. | 07-17-2014 |
20140249016 | LITHIUM DISILICATE GLASS-CERAMIC, METHOD FOR PRODUCTION THEREOF AND USE THEREOF - The invention relates to glass-ceramics based on the lithium silicate system which can be mechanically machined easily in an intermediate step of crystallisation and, after complete crystallisation, represent a very strong, highly-translucent and chemically-stable glass-ceramic. Likewise, the invention relates to a method for the production of these glass-ceramics. The glass-ceramics according to the invention are used as dental material. | 09-04-2014 |
20140252272 | DENTAL RESTORATION, METHOD FOR ITS PRODUCTION AND INGOT - The invention refers to a method for producing a dental restoration comprising a lithium silicate glass or glass ceramic as well as a dental restoration inself. The invention further refers to a ingot with the same composition having a defined strength. | 09-11-2014 |
20150050619 | POROUS, SILICATE, CERAMIC BODY, DENTAL RESTORATIONS AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to a porous, silicate, ceramic body, possibly with different colors, with a first density, which can be sintered into a silicate, ceramic body with a second density, wherein the ratio of the first density to the second density is 2/5 to 98/100, and the three-point bending strength of the porous, silicate ceramic body with a first density, measured according to ISO 6872, amounts to 25 to 180 MPa. | 02-19-2015 |