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7305990 |
Mouth guard and kit
A user-fabricated mouth guard wherein the user's teeth and gums are not directly exposed to the uncured mouth guard material. The uncured mouth guard material is pliant at room temperature and does...
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7300610 |
Method for forming cavities of complex configuration within concrete
A form for creating cavities within large concrete structures, wherein the formed is created by interconnecting a plurality of section members, the section members having flexible mold skeleton...
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7258158 |
Increasing stability of silica-bearing material
Method and apparatus for prolonging the stability (working life) of a ceramic slurry and other aqueous mixture or dispersion containing a liquid silica-bearing or other component as well as the raw...
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7022178 |
Binding agent, core sand mixture and a method for producing the same
A binding agent system based on water glass is disclosed, comprising an aqueous alkali silicate solution having the general composition: xSiO 2 ·yM 2 O ·zH 2 O, with M standing for the alkali...
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6918954 |
Colloidal silicate dispersion, method for its preparation and its use
The present invention is directed to a colloidal aqueous silicate dispersion containing silica and alumina, the molar ratio between silica and alumina being 2-12, as well as to a method for its...
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6866709 |
Binder systems derived from amorphous silica and bases
The present invention relates to compositions comprising the reaction product of amorphous silica or ultra-fine silica and one or more bases. The present invention also relates to materials and...
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6805737 |
Lightweight substance molded body, method for the production and use thereof
The invention relates to a lightweight substance molded body made of a lightweight aggregate and a sintering auxiliary agent, wherein said molded body consist of a sintering product containing...
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6699314 |
Mold releasing agent for centrifugal casting mold
A mold releasing agent suitable for easily casting a cylindrical cast member which is superior in adhesion on cast parts at low cost, is provided. A mold releasing agent for a centrifugal casting...
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6663793 |
Sol-gel-based composite materials for direct-write electronics applications
The present invention relates to a method for producing a low temperature 0-3 composite material, comprising the steps of providing a mixture, wherein the mixture comprises a liquid phase and a...
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6638628 |
Silicate coating compositions
Aqueous zinc-containing coating compositions are provided in which the bonding agent is a blend of sodium and/or potassium silicate and lithium polysilicate the latter being in relatively high...
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6589900 |
Ceramic product based on lithium aluminum silicate
A ceramic product containing at least 70% lithium aluminium silicate of 100% total mass weight percent; and a non-wetting agent in the form of barium sulphate. Most preferably, the lithium...
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6579834 |
Aqueous release agents for low speed injection die casting
This invention provides a release agent for low speed casting, which does not pollute working environment, has a superior running property and lubricating property and further shows a superior...
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6248284 |
Process for preparing particles covered with a layer of water glass and articles comprising such covered particles
The invention relates to a process for preparing free flowing particles covered with a layer of water glass, comprising the steps of: (a) providing a mixture containing particles to be covered,...
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6218461 |
Silicone composition curing at room temperature and the use thereof
A silicone composition curing at room temperature by condensation, which is suitable especially as a dental molding composition. The silicone composition consists of the a) base paste containing a...
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6187355 |
Recovery of used frying oils
Treatment and recovery of used frying oils uses combinations of adsorbents and antioxidants which provide unexpected improvements in used frying oil adsorptive and other properties, quality and...
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6176919 |
Water-based paint useful for windshields
The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a fused silica and, optionally, a low-melting glass frit,...
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6139619 |
Binders for cores and molds
An inorganic binder system for foundry compositions includes a silicate and added phosphate. The composition produces a binder having the advantageous strength properties of a silicate binder...
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6126737 |
High solids water-based ceramic paint
The invention is directed to a dark colored high-solids water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a low-melting glass frit, and...
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6017387 |
Process for preparing molding sand for green sand mold
A process for preparing a molding sand for a green sand mold is provided. The process comprises the step of drying under a reduced pressure of 0 to 0.3 atm for 0.5 to 30 seconds a green molding...
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6013125 |
Investment of powders and method for rapid preparation of investment molds
The present invention relates to improved investment powders for use in making improved investment molds for casting metals, and the use of such molds with vacuum and/or either conventional,...
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5938834 |
Water-based paint including glass particulate
The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a...
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5911269 |
Method of making silica sand molds and cores for metal founding
Thermal expansion defects, i.e. veining, are reduced in iron, steel, and nonferrous castings by adding a lithia-containing material in a sufficient amount to the silica sand mold to provide about...
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5837047 |
Heat curable binder systems and their use
This invention relates to heat cured binder systems comprising as separate Parts: Part I comprising (a) a soluble source of silica, (b) an alcohol, and preferably (c) a surfactant; and Part II...
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5820662 |
Dental investing material
A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material...
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5743953 |
Heat curable alumino-silicate binder systems and their use
This invention relates to heat curable alumino-silicate binder systems comprising as three separate parts (1) a soluble source of silica, (2) a caustic solution of an alkali silicate, and (3)...
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5702520 |
Method of making water based paint and formed glazing with paint thereon
The invention is directed to a method of making a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at...
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5691257 |
Low density cellulated body and method
A cellulated, inorganic body, and a method of producing the body, the body having a very low bulk density and being resistant to aqueous and chemical attack, the cells being gas- or vacuum-filled,...
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5677064 |
Water-based paint for glass sheets II
The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, and glass frit as an adhesion promoter. Preferably, it...
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5656195 |
Moldings containing silica aerogel particles and their preparation
In moldings which have a density of from 0.1 to 0.4 g/cm 3 and contain silica aerogel particles which have a mean diameter d m of from 0.001 to 8 mm and are bonded to one another by means of at...
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5641348 |
Exhaust conduit coating
A mixture producing a slurry for coating metallic vehicle exhaust conduits utilizing a refractory cement and a caustic or alkaline salt binder. Sufficient amounts of water are also employed in the...
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5641015 |
Water dispersible molds
A water-dispersible mold for making a casting comprises a water-insoluble particulate material, such as foundry sand, a binder which includes polyphosphate chains and/or borate ions, and at least...
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5603759 |
Stable, cement-bonded, overhead sprayed insulating mixes and resultant linings
A pulverulent mix, sprayable when mixed with a liquid for forming a stable, cement-bonded insulating refractory which can be sprayed onto vertical and overhead surfaces without deformation,...
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5559063 |
Refractory material
A refractory powder includes a filler, a binder, and a metal powder. This provides improved heat transfer in the refractory material during heating, and reduces the problem of explosive cracking...
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5474606 |
Heat curable foundry binder systems
This invention relates to heat curable foundry binder systems comprising as separate components (a) a caustic solution of an alkali silicate and (b) hydrated aluminum silicate. The solution is...
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5470651 |
Mandrel for use in nickel vapor deposition processes and nickel molds made thereform
Mandrels for use in the manufacture of nickel shells by vapour deposition of nickel from gaseous nickel carbonyl. The mandrels comprise a body formed of a composite material of a matrix, for...
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5468285 |
Ceramic core for investment casting and method for preparation of the same
There is disclosed a core mix and a method of fabricating the core for use in investment casting. The core composition comprises an acid soluble borate binder in a high percentage by weight of the...
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5417751 |
Heat cured foundry binders and their use
This invention relates to heat-cured foundry binders comprising in admixture (1) a source of soluble silica, and (2) a source of soluble alumina, such that the source of silica, source of alumina,...
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5409531 |
Releasing agent for die casting
A releasing agent of excellent heat insulating property suitably used for low speed die casting, which agent consists of an aqueous medium containing a dispersing agent and the particles of a...
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5372636 |
Foundry mold composition, foundry mold made therefrom and method for producing the same
A composition for use in producing a foundry mold, a foundry mold of the composition and a method for making the foundry mold from the composition. The composition includes sodium smectite clay and...
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5296027 |
Single-component alkali metal silicate cement composition
The invention relates to a dry, surfactant-free single-component alkali metal silicate cement composition containing as hardening agent condensed aluminum phosphate and at least one compound from...
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5279665 |
Inorganic foundry binder systems and their uses
This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate Part A and Part B components: (A) an aqueous solution of specified...
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5275114 |
Sodium bentonite clay binder mixture for the metal casting industry
A foundry sand binder composition and method of manufacturing cast metal objects by casting molten metal into a mold cavity formed of sand held in a predetermined mold configuration by a binder...
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5264017 |
Inorganic reactive granulating binder and conditioner
A binder for fertilizer granulation is taught, comprising a reactive mixture of a metal salt and a metal oxide or hydroxide. Use of this binder permits the incorporation of higher percentages of...
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5206191 |
Method of producing refractory materials and their applications in the casting of corrosive alloys
A method of producing a refractory material of the non-shaped type is disclosed. Refractory aggregates and a binder are mixed ensuring cohesion by chemical bonding. The mixture is shaped and fired....
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5188791 |
Concrete composition for the manufacture of moulds, mould and process for the manufacture of a mould
Compound concrete composition for the manufacture of moulds, comprising: (1) a binder which comprises an alkaline-earth mineral substance, a constituent made up of fine particles of a compound...
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5183503 |
Method of shaker molding and composition therefor
An improved molding powder which comprises alkali metal alginate, calcium salt, tetrasodium pyrophosphate and filler, the alginate being from Laminaria hyperborea. The mixture sets to form a...
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5180427 |
Fillers for investment and refractory die materials
Phosphate-bonded investments and refractory die materials are provided upon which dental porcelains and/or alloy powders can be sintered. Inorganic fillers are mixed with appropriate binders to...
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5178673 |
Investment casting compositions and processes for the manufacture and use thereof
This invention relates to investment casting compositions comprising (i) a refractory material, e.g., a ceramic material, and (ii) a soluble core material comprising one or more block polymers...
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5171458 |
Hot forming mold and method of manufacturing the same
This invention provides a hot forming mold made of xonotlite group materials such as xonotlite, or wollastonite made therefrom which are known as a heat-resisting materials. By hot pressing these...
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5151121 |
Silicate binders
Lithium silicate solution having a SiO 2 :Li 2 O weight ratio from 7.5:1 to 9:1 is usable as the sole silicate binder. This silicate binder is of particular value in preparing welding rods having...
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