Matches 51 - 100 out of 176 < 1 2 3 4 >
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6174608 Ceramic tile and glaze for use thereon  
The present invention provides a ceramic tile and a glaze composition for use in forming the tile. The glaze composition comprises a glass component, an expansion modifier and a spodumene...
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 ,...
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...
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...
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...
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...
5922627 Low resistivity palladium-silver compositions  
Glass frits containing lithium are used in thick film palladium-silver compositions which after firing result in conductors or resistors that exhibit very low resistivity and TCR.
5922444 Glaze composition  
A glaze composition suitable for a thin chip substrate, for example. The glaze composition makes a low-temperature glazing possible and is superior in the electrical and chemical stability. The...
5900380 Conductive glass lining composition  
A conductive glass lining composition includes 100 parts by weight of a frit and 0.05 to 1.5 parts by weight of a metal fibers of 0.1 to 30 μm in diameter, 1.5 to 10 mm in length and a...
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...
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...
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...
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...
5763339 Insulating glass composition  
A lead-free insulating glass composition comprises (A) 50 to 85 wt. % of a glass comprising, on a weight basis, 28 to 38% of SiO 2 , 4 to 10% of B 2 O 3 , 8 to 16% of Al 2 O 3 , 15 to 23% of MgO,...
5747395 Cobalt glass compositions for coatings  
A glass composition which is essentially free of lead and cadmium includes 30 to 70 wt % SiO 2 , 1 to 25 wt % B 2 O 3 , 0 to 10 wt % Al 2 O 3 , 0 to 5 wt % Bi 2 O 3 , 0.1 to 30 wt % CoO, 0.1 to...
5725919 Lead-free glass enamels for decorating glass beverage containers and methods for using the same  
This invention relates to a lead-free glass enamel for glass beverage containers and a method of decorating glass beverage containers using such glass enamel. The method includes the steps of: i)...
5677250 Low-temperature lead-free glaze for alumina ceramics  
A lead-free ceramic glaze comprising, by weight: (i) between about 27 and 35% SiO 2 ; (ii) between about 9 and 15% Al 2 O 3 ; (iii) between about 26 and 34% B 2 O 3 ; (iv) between...
5674789 Lead- and cadmium-free finely divided glass frit compositions  
A lead- and cadmium-free glass-frit composition based on a borate glass and containing 4 to 22 mole % La 2 O 3 and 0 to 10 mole % SiO 2 as network-forming oxides and B 2 O 3 , wherein the molar...
5650364 Self-opacifying enamel frits for the enamelling of aluminum or aluminum alloys  
The present invention relates to self-opacifying enamel frit compositions that can be used for the enamelling of aluminium or aluminium alloys.
5629247 High bismuth oxide based flux and paint compositions for glass substrates  
A flux composition containing as a first component: 50 to 75% by weight Bi 2 O 3 ; 15 to 25% by weight SiO 2 ; 4 to 10% by weight B 2 O 3 ; 2 to 9% by weight ZnO; 1 to 4% by weight alkali...
5618764 Colored ceramic composition and method for producing curved glass plate using the same  
A colored ceramic composition comprising, as inorganic components, from 5 to 40 wt % of a colored heat resistance pigment powder, from 60 to 95 wt % of a zinc-containing glass powder and from 0 to...
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...
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...
5547907 Crystallized glass compositions for coating oxide-based ceramics  
The present invention relates to a zinc oxide varistor as a characteristic element of an arrestor for protecting a transmission and distribution line and peripheral devices thereof from surge...
5534469 Low temperature non-crystallizing sealing glass  
As a sealing composition which can seal a panel and a funnel of a color CRT at a relatively low temperature for a relatively short time, a non-crystallizing sealing glass essentially consists of...
5510301 Sealing frit pastes  
The present invention is directed to the preparation of frit pastes suitable for sealing together preformed glass parts, being especially suitable for sealing glass panels to funnels of cathode ray...
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...
5491118 Cadmium-free and lead-free thick film paste composition  
The invention is directed to a lead-free and cadmium-free thick film paste composition suitable for forming resistor or thermistor patterns on a substrate.
5468695 Lead-free thick film paste composition  
A screen-printable thick film paste composition suitable for forming conductive patterns on a rigid substrate comprising: (a) finely divided particles of a lead-free glass composition having a...
5447891 Lead-free glaze or enamel for use on ceramic bodies  
The invention concerns a lead-free glaze or enamel for use on ceramic bodies such as bone china. In one embodiment the glaze or enamel includes a hard glass frit which comprises by weight percent...
RE34982 Thick film copper via fill inks  
Low-expansion devitrifying glass compositions exhibiting a negative-slope temperature coefficient of expansion over a temperature range from about 125° C. to about 500° C. are useful for the...
5393714 Free-flowing, chemically resistant color granulates, their preparation and use  
The present invention provides free-flowing chemically resistant color granulates that are heat resistant and color stable in aggressive media. The color granulates comprise 20-94.8% by weight...
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 ...
5376596 Conductive paste  
A conductive paste contains at least a conductive powder and a glass frit. The glass frit includes 9.0 to 45.0 wt % of SiO 2 and 1.0 to 18.5 wt % of CaO, the balance being ZnO, B 2 O 3 and Li 2 ...
5366935 Passivating coating for metal oxide varistors  
There is disclosed a passivating coating composition suitable for application as a collar to metal oxide varistor valve block cylindrical surfaces comprising a mixture of 64-74 parts by weight of a...
5350718 Glass frits, a process for their production and their use in enamel barrier layers for stopping the migration of silver  
Glass frits are disclosed which are essentially free of lead and contain 0.05 to 15 mol-% sulfur and/or sulfides, preferably zinc sulfide. A process is disclosed for producing a glass frit by...
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...
5330939 Method of preparing vitreous ceramic composition suitable for coating ceramic articles  
A vitreous ceramic composition for coating ceramic articles with a zinc and alumina base capable of separating rapidly up to 50% of crystalline phase consisting essentially of gahnite. The...
5306674 Lead-free glass coatings  
This invention relates to a lead-free glass coating made by firing a lead-free glass enamel composition comprising a glass frit having by weight from about 20% to about 40% zinc oxide, from about...
5304516 Glaze compositions  
Glaze composition comprises 45 to 75% of SioO 2 , 0.1 to below 5% of Bi 2 O 3 , 0.1 to 20% of Al 2 O 3 to 20% of B 2 O 3 , at least one of CaO, MgO, SrO, BaO or Zno in an amount of 2 to 22%, at...
5283212 Thallium germanate, tellurite, and antimonite glasses  
This invention relates to thallium tellurite glasses possessing a high Verdet constant and high optical nonlinearity, as well as good visible and infrared transmission, making them suitable...
5264398 Lead-, cadmium- and barium-free frits for ceramic glazes  
A frit composition for ceramic glazes is disclosed which is free of lead, cadmium and also barium. The composition contains SiO 2 , B 2 O 3 , Al 2 O 3 , alkali metal oxide, CaO, ZnO, and...
5204291 Transparent lead-free glazes  
This invention relates to lead-free and cadmium-free frit compositions for glazes and enamels which consist essentially, expressed in terms of weight percent on the oxide basis, of TBL ...
5188989 Coating mix to prevent oxidation of carbon substrates  
An oxidation-resistant carbon-containing refractory shape having on the surface thereof exposed to oxidation an oxidation-resistant glaze coating, said glaze coating consisting essentially of the...
5153150 Partially crystallizing enamel containing Zn.sub.2 SiO.sub.4 to be used for automobile side and rear lights  
The present invention provides a new and useful composition and method of using the same for producing an enamel finish on a formed section of glass. The composition partially crystallizes upon...
5137848 Dielectric composition containing kerf additive  
A dielectric composition comprising an admixture of finely divided particles of (a) 65-94 wt % of a non-reducing amorphous glass comprising of 15-27% ZnO, 8-30% alkaline earth metal oxides...
5124282 Glasses and overglaze inks made therefrom  
A novel devitrifying glass comprising, in weight percent, from 5-15% of zinc oxide, from 10-18% of magnesium oxide; from 15-20% of calcium oxide; from 6-14% of barium oxide; from 15-20% of aluminum...
5091345 Glass composition  
A glass flux composition consisting essentially by weight of 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO,...
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...
5051381 Powdery coating glass material, coating glass paste using the same and coating glass composition prepared thereby  
A powdery coating glass material essentially consists of V 2 O 5 5-35 wt. %, ZnO 33-60 wt. %, B 2 O 3 3-25 wt. %, SiO 2 1-15 wt. %, Al 2 O 3 0-5 wt. %, and at least one element 2-20 wt. %...
Matches 51 - 100 out of 176 < 1 2 3 4 >