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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Holand; Wolfram
Address:
Schaan, LI
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
8263508 Phosphosilicate glass ceramic September 11, 2012
A phosphosilicate glass ceramic with nanoscale fluoroapatite and leucite crystals. The glass ceramic is very similar to natural tooth material in terms of its optical properties. The glass ceramic has a low linear thermal expansion coefficient and a low pressing temperature and is th
8173562 Shaded zirconia ceramics May 8, 2012
The invention relates to compositions based on Ce-stabilized ZrO.sub.2, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably graded and
8080189 Inorganic-inorganic composite material and method for producing the same December 20, 2011
Process for producing an inorganic-inorganic composite material, in which an open-pore, crystalline oxide ceramic shaped part is produced from an oxide ceramic powder or a powder of an oxide ceramic mixture after shape-imparting processing and presintering, an infiltration substance is
8047021 Lithium silicate materials November 1, 2011
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
8034264 Process for the preparation of colored blanks and dental shaped parts October 11, 2011
The invention relates to compositions based on ZrO.sub.2, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably graded and at least one c
7901774 Coated dental powders March 8, 2011
The present invention relates to an inorganic dental powder, coated with at least one layer comprising inorganic and/or organic substances or consisting thereof, and to a process for its preparation.
7871948 Lithium silicate glass ceramic January 18, 2011
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7867933 Lithium silicate glass ceramic January 11, 2011
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7867931 Lithium silicate glass ceramic January 11, 2011
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7867930 Lithium silicate glass ceramic January 11, 2011
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7846857 Dental glass ceramics December 7, 2010
The invention relates to dental glass-ceramics and a process for producing them and their use, with these comprising at least one crystal phase containing xenotime or monazite or mixtures thereof.
7816291 Lithium silicate materials October 19, 2010
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7795164 Dental glass September 14, 2010
The present invention relates to a dental glass containing 50 to 70 wt. % of SiO.sub.2, 5 to 18 wt. % of Al.sub.2O.sub.3, 6.1 to 30 wt. % of MgO, 1 to 15 wt. % of La.sub.2O.sub.3, 1 to 15 wt. % of WO.sub.3, 0.1 to 8 wt. % of ZrO.sub.2, and optionally further oxides except for the oxides
7452836 Lithium silicate glass ceramic November 18, 2008
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7371702 Translucent and radio-opaque glass ceramics May 13, 2008
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
7316740 Lithium silicate materials January 8, 2008
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
7183232 Translucent and radio-opaque ceramics February 27, 2007
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
7166548 Apatite glass ceramic based on siliceous oxyapatites January 23, 2007
Apatite glass ceramic which contains at least one glass phase and at least one apatite phase and is characterized in that at least one of the apatite phases is a phosphate- and fluorine-free siliceous oxyapatite phase.
7074730 Bioactive rhenanite glass ceramic July 11, 2006
The invention relates to a bioactive rhenanite glass ceramic which is characterized by a high content of P.sub.2O.sub.5, CaO and Na.sub.2O and is particularly suitable as bone replacement material in dentistry.
6626986 Low-temperature-sintering potassium-zinc-silicate glass September 30, 2003
Potassium-zinc-silicate glasses are described which because of their high chemical stability as well as their optical properties and favorable working properties are suitable in particular as coating or veneering materials for ceramic dental suprastructures and thus for the preparation
6620747 Low temperature-sintering apatite glass ceramic September 16, 2003
A low-temperature-sintering apatite glass ceramic is described which is characterized by a high chemical stability, a low coefficient of expansion as well as high translucency and which is particularly suitable on its own or together with glasses or other glass ceramics as coating or ven
6420288 Process for the preparation of shaped translucent lithium disilicate glass ceramic products July 16, 2002
A process is described for the preparation of shaped translucent lithium disilicate glass ceramic products which are characterized by high strength and good chemical stability and may be processed by pressing in the plastic state or milling to finished glass ceramic products which may be
6353039 Polymerizable composite material March 5, 2002
A composite material is described which contains polymerizable monomers plus a special transparent glass having high release of calcium ions and fluorine ions and, because of this release property and in particular of its optical properties, can be used as a restoration material in d
6303059 Method of controlling an oven October 16, 2001
A method of controlling an oven for producing tooth replacement components. An electric motor moves a piston that acts upon a moldable restoration material. The restoration material is introduced into a muffle oven having an oven hood that can be removed from the muffle. The compactibili
6280863 Translucent apatite glass ceramic August 28, 2001
An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material for ceramic dental restorations.
6200137 Chemically stable translucent apatite glass ceramic March 13, 2001
An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material for ceramic dental restorations.
6121175 Alkali silicate glass September 19, 2000
Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the production of all-ceramic dental










 
 
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