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7611774 |
Glass ceramic or glass element that can be subjected to great thermal loads and is decorated with a metallic color
The glass ceramic or glass element that can be subjected to high thermal loads is decorated with a metallic colorant. The metallic colorant consists of a melted silicate and at least one effect...
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7323160 |
Method of treating a patient's teeth using fluoride releasing glass composition
A method of treating sensitive teeth includes (1) attaching a fluoride releasing glass composition to a person's tooth, and (2) allowing fluoride to be slowly released over time in order to reduce...
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7175833 |
Glass composition
A glass composition having the general empirical formula given below, expressed in weight percent of the element: P: 16–24, F: 5–30, O: 20–40 and at least one of Na, K, Li or Al in an amount...
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6837075 |
Glass fiber fixative and fixing process
A glass fixative composition for bonding glass materials to non-glass materials is provided. The fixative composition is selected for its thermal expansion coefficient, its viscosity, its adhesion...
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6777358 |
Sealing glass composition
A glass composition for a seal consists essentially of 70-75 wt % of PbO, 3-7 wt % of PbF 2 , 5-8 wt % of Bi 2 O 3 , 5-7 wt % of B 2 0 3 , 2-5 wt % of ZnO, 1-3 wt % of Fe 2 O 3 , 0-2 wt % of CuO,...
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6660073 |
Method of manufacture of dental porcelain having small leucite crystallites
A porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron....
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6624104 |
High durability low temperature lead-free glass and enamel compositions with low boron content
Low temperature melting lead-free glass and enamel compositions are provided which have low boron content and possess high durability properties. Enamel pastes containing frits of the glass...
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6403506 |
Glass powder and use thereof
The invention relates to a glass powder, where at least one oxidizing agent or one reducing agent is added to the glass powder. The glass powder is preferably used as dental glass powder.
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6387832 |
High stability transition metal NZP type phosphates
Transition metal NZP type compounds are synthesized. Examples of these compounds include MnZr 4 (PO 4 ) 6 , FeZr 4 (PO 4 ) 6 , CoZr 4 (PO 4 ) 6 , NiZr 4 (PO 4 ) 6 , and CuZr 4 (PO 4 ) 6 . These...
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6346493 |
Decorative glass enamels
The present invention provides a new and improved lead-free and cadmium-free glass enamel composition that displays good flow at traditional glass enamel firing temperatures and upon firing...
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6306784 |
Alkali silicate glass
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...
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6306783 |
Tin borophosphate glass comprising SnO, B2O3, and P2O5 as main components and sealing material using the glass
A tin borophosphate glass for use in sealing materials includes, by mole, 30 to 80% of SnO, 5 to 60% of B 2 O 3 , and 5 to 24% of P 2 O 5 as main components. The glass is free of lead but is of...
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6287996 |
Ceramic color composition and process for producing a curved glass plate
A ceramic color composition which comprises from 5 to 40 wt % of a heat-resistant color pigment powder, from 50 to 94.5 wt % of a glass powder, from 0 to 25 wt % of a refractory filler, and from...
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6255239 |
Lead-free alkali metal-free glass compositions
Lead-free alkali metal-free bismuth-borosilicate glass compositions are disclosed. These compositions are useful in preparing glass frits which are employed in glass enamel compositions which, in...
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6206958 |
Dental porcelain compositions
Porcelain compositions of the present invention comprises particulate of one or more glass or glass-ceramic powder components. Additionally, one or more opacifing agents, pigments, fluorescing...
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6171987 |
Cadmium-free and lead-free glass compositions, thick film formulations containing them and uses thereof
A glass composition comprising, in mole percent of the total composition: glass-forming compounds in a total amount of 75 to 85%, wherein said glass forming compounds comprise 40 to 65% SiO 2 ,...
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6083858 |
Sealing glass composition
The present invention relates to a sealing glass composition, which is able to seal a panel and funnel of a color TV at low temperature for a short time by adding Garnet(Fe 3 Al 2 Si 3 O 12 ) as...
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6043171 |
Lead-free and cadmium-free glass compositions for glazing, enameling and decorating glass of glass-ceramics
The lead- and cadmium-free glass composition for glazing, enameling and decorating glass or glass-ceramic articles contains high quartz and/or keatite solid solution crystals as principal...
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6010973 |
Dielectric forming material for use in plasma display panel and glass powder used therefor
A dielectric forming material for a plasma display panel enables to form a dielectric layer having a high dielectric strength and good transparency. The dielectric forming material is provided with...
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6004894 |
Reflective porcelain enamel coating compositions
The present invention provides a porcelain enamel coating composition for use in forming a coating composition upon a metal substrate having an infrared reflectivity of at least 50% at 2.5...
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5944884 |
Dental porcelain composition
A porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron....
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5891233 |
Use of bioactive silicious glass and new compositions containing bioactive silicious glass
A pharmaceutical preparation, including a glass phase which is bioactive silica containing glass in the form of a paste, suspension or solution mixed in a physiologically suitable liquid or bound...
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5849649 |
Glass composition
A glass flux composition consisting essentially in mol percent of 3.0-13.0 lithium oxide, 0.5-3.5 potassium oxide, 2.5-7.0 sodium oxide, 0.5-2.5 zinc oxide, 2.0-8.0 aluminium oxide, 15-30 boron...
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5843853 |
Lead-free glass composition and its use
The invention pertains to a new lead-free glass composition with improved properties, a glass frit of this composition and its use for the production of glass-enamel, particularly for architectural...
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5817586 |
Colored ceramic composition
A colored ceramic composition comprising, as inorganic components, from 5 to 40 wt % of a colored heat resistant pigment powder, from 60 to 95 wt % of a powder of zinc-containing glass and from 0...
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5792716 |
Thick film having acid resistance
The present invention provides a new and improved thick film paste for use as an acid resistant overglaze. In one preferred embodiment such paste includes a glass composition comprising in weight...
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5691254 |
Enamel frit composition for a low-expansion crystallized glass and enamel-coated low-expansion crystallized glass plate using the same
In order to provide an enamel frit composition for a low-expansion crystallized glass, capable of producing an enamel coating excellent in abrasion resistance and acid resistance without occurrence...
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5653791 |
Two-phase dental forcelain composition
A two-phase porcelain composition for dental restorations comprising a leucite crystallite phase dispersed in a feldspathic glass matrix, a maturing temperature of from about 750° to about 1050°...
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5616417 |
Lead-free glass frits for ceramic enamels
Lead-free glass frits having the following composition in weight percent: TBL ______________________________________ ZnO 25-35 SiO 2 10-17 ZrO 2 0-2 Al 2 O 3 0-4 Na 2 O 8-12 B 2 O 3 20-30...
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5614330 |
Porcelain coating compositions for low expansion porcelain cores and the resulting all-ceramic dental restorations
An all-ceramic dental restoration comprising a ceramic core over and at least one coating thereon of a porcelain composition having a maturing temperature of from about 850° to about 1050° C. and...
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5589222 |
Hydrophobic free-flowing pellets, a process for their production and their use
This invention relates to hydrophobic free-flowing pellets having an average particle size of 5 to 150 μm, which consist of one or preferably more hydrophilic inorganic powders having a particle...
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5559059 |
Lead-free glass frits for ceramics enamels
Lead-free glass frits having the following composition in weight percent: TBL ______________________________________ ZnO 25-35 SiO 2 10-17 ZrO 2 0-2 Al 2 O 3 0-4 Na 2 O 8-12 B 2 O 3 20-30...
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5504045 |
Paint composition
A paint composition containing as a major portion a flux composition including a first flux containing silica, alkali oxide, zinc oxide and boron oxide but containing no lead or lithium and...
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5385871 |
Fluorine-containing lead- and cadmium-free glazes
This invention is directed to a glass frit composition essentially free from lead and cadmium exhibiting a linear coefficient of thermal expansion (25° C.-300° C.) between about 75-85×10 -7 ...
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5382552 |
Rare earth-containing alkali silicate frits and their use for the preparation of porcelain enamel coatings with improved cleanability
The present invention relates to a rare earth-containing, alkali silicate frit which may be applied to a metal substrate to provide a porcelain enamel coating which has good thermal stability, an...
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5346866 |
Dental ceramic material with a relatively low processing temperature
A dental ceramic material is disclosed for the preparation and repair of metal ceramic and fully ceramic dentures, which has a processing temperature of 660°±30° C., and has the following...
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5342810 |
Zinc-containing, lead- and cadmium-free glass frits, method of their production and their use
Zinc-containing, lead- and cadmium-free glass frits with a softening point of less than 510° C. are disclosed. Obligatory components of the glass-frit composition are 31-50 mole % ZnO, 10-44 mole...
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5296415 |
Opacified enamel for direct-on enamelling on unpickled steel plate
A CeO 2 -containing enamel frit is disclosed which, upon enamelling, produces an opaque enamel coating with excellent adhesion and acid resistance. The frit can be used to enamel an unpickled or...
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5145804 |
Enamel powder for electrostatic application
Enamel frit powder for electrostatic application with a surface resistance greater than 10 16 ohms containing alkaline oxides and alkaline oxides wherein the weight ratio of the alkaline oxides Na...
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5075263 |
Enamel frits for acid-resistant one-coat enamelling on unpickled steels
An enamel frit for producing an acid-resistant enamelled steel in a single coating comprising at least about 40% of silicon atoms, 50% of silicon atoms and boron atoms, where the proportion of the...
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4970178 |
Lead-free glass frit compositions
Lead-free glass frit compositions for use in vitreous coatings consisting essentially of Na 2 O--ZnO--B 2 O 3 --SiO 2 in appropriate concentrations including molar amounts of at most 17.5 mole...
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4965001 |
Lubrication blends
A novel lubrication blend useful per se as a lubricant or as an additive to form a novel lubricant composition. The lubrication blend consists essentially of a mixture of: (1) at least one complex...
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4859637 |
Lead-free U.V. absorbing glass
The present invention relates to an improved U.V. absorbing glass composition comprising from about 75 to about 98 parts by weight of a lead oxide free base glass having dissolved therein from...
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4818731 |
Colored frit and method for manufacturing of artificial stone
A colored frit prepared by fusing by heating a material composition comprising a devitrifying substance, a coloring agent and glass, and a method for manufacturing an artificial stone made by...
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RE32299 |
Glass composition and articles
This invention provides a novel glass composition having numerous uses. More particularly, the invention provides a single phase, radiopaque glass composition.
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4590171 |
Low temperature lead and cadmium-free frits
This invention relates to the production of frits especially suitable for use in contact with foods. The frits are essentially free from cadmium and lead and consist essentially, in weight percent...
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4554258 |
Chemical resistant lead-free glass frit compositions
Glass frit compositions for use in glazes or enamels have a fiber softening point of 535° C. or more and are free of cadmium, lead and arsenic and consist essentially of Bi 2 O 3 --B 2 O 3 ...
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4537862 |
Lead-free and cadmium-free glass frit compositions for glazing, enameling and decorating
Glass frit compositions are shown that are lead-free, cadmium-free, and zinc-free, the compositions having improved chemical resistance, especially acid resistance (acetic acid) of a loss of...
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4521250 |
Mixture for preparation of protective and insulating coatings on metals
A mixture for preparation of protective and insulating coatings on metals and metal products which sticks well to metal surfaces, is resistant to high temperatures, has good electrical properties,...
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4493900 |
Low melting enamel frits
A low melting enamel frit which comprises 31 to 39 wt % of SiO 2 , 13 to 21 wt % of B 2 O 3 , 14 to 21 wt % of Na 2 O, 1 to 5 wt % of K 2 O, 5 to 20 wt % of ZnO, 2 to 10 wt % of F 2 and 2 to 9...
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