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7785412 |
Additivated coal dust with water soluble carbohydrates for use in the green sand composition for casting molding
Coal dust additivated with water soluble carbohydrates for use in the green sand composition for molding of castings refers to a process for obtaining coal additivated with carbohydrates to be used...
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7541418 |
Transparent thermoplastic antimicrobial molding composition
A transparent antimicrobial thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate resin and 0.01 to 3.8 of an antimicrobial compound conforming to formula...
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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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6918956 |
Binder for aggregate, foundry cores, and other products
A foundry mold and the method of making it is disclosed and claimed. Black liquor is extracted from a pulping process and used as a resin which when combined with an aggregate forms a foundry mold,...
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6156072 |
Manufacturing method of fabric for ink jet printing and ink jet printing method
This invention relates to a method of manufacturing a fabric for ink jet printing and to an ink jet printing method for imparting to the fabric a clear and sharp image free from ink oozing in ink...
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6024787 |
Water soluble ceramic core for use in die casting, gravity and investment casting of aluminum alloys
A water-soluble ceramic core is prepared which can be advantageously used in the die casting, gravity casting, and investment casting of precision aluminum alloy objects. The ceramic core contains:...
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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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5853461 |
Prevention of electrostatic charging of pneumatic tires
Aqueous external release agent for pneumatic tires which contains a fatty alcohol polyglycol ether and conductive carbon black, for establishing the electrical resistance of the tire.
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5807951 |
Pharmaceutical composition regulating function of a living body
The present invention provides silicate polymers which regulate the function of a living body by restoring and normalizing the lowered cell functions due to diseases. The silicate polymers are...
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5698610 |
Low-dust dental alginate impression material composition
A low-dust dental alginate impression material composition is disclosed, comprising an alginate, a gelation reaction agent, a gelation regulator, and a filler as major components, which further...
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5587008 |
Sand molding media for iron castings
A sand molding medium for the use in founding of iron. The medium includes wettable uintaite as a carbon source supplemental to sea coal. The wettable uintaite is included in a carbon additive that...
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5505771 |
Dental gypsum composition
A dental gypsum composition is disclosed, comprising (A) 100 parts by weight of calcined gypsum, (B) from 0.005 to 5.0 parts by weight of an alkali metal tartrate, (C) from 0.1 to 5.0 parts by...
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5320157 |
Expendable core for casting processes
A method is provided for forming a sand core which is suitable for use in casting processes, and in particular squeeze casting processes, to form internal features and intricate external features...
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5250110 |
Dustfree investment material for accurately fitting cast pieces and method of producing these investment materials
Dustfree investment materials, for the production of accurately fitting cast parts, are described which contain water-soluble phosphates, magnesium oxide and silicon dioxide. The investment...
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5240498 |
Carbonaceous binder
Provided is a carbonaceous binder composition which comprises a polymerized and dehydrated carbohydrate, a monomer or polymer of resorcinol, and water. It is important that the carbohydrate is a...
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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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5110357 |
Nonsilica mold material for dental titanium cast
In a mold material for use in molding a titanium cast to be mounted into the mouth as a dental prosthesis, magnesia and phosphate are added as a binder to its main ingredient composed of alumina...
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5106418 |
Process for preparing improved binding material systems, its use for coal-dust-free refining, for moulding of bentonite bindings and for mould-core-formation
The invention describes a bonding material for casting mold, which comprises from about 0.5 to about 20 mass % plant-derived lecithin, plant oil or a mixture of lecithin and plant oil, from about...
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4867228 |
Additive for green moulding sands
An additive for green moulding sands for use in foundry industry comprising a "stabilized" and polyhydroxylated carbohydrate, in particular as aqueous solution, and preferably consisting of a...
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4814012 |
Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound
Disclosed herein is a method of manufacturing a bonded particulate article by admixing particulate material with a binder system, the binder system being formed by admixing a polyol comprising a...
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4814011 |
Investments for dental casting
An investment for dental casting comprises a mixture of at least one refractory selected from alumina, zirconia, magnesia clinker, quartz, cristobalite and fused quartz with either a mixture of a...
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4810295 |
Impression composition
The present invention provides an impression composition of the alginate type which comprises (a) an alginate, (b) calcium sulfate and/or lead silicate, and (c) a filler as its main components and...
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4772324 |
Hydrocollid gel based dental impression composition
A dental impression composition is provided which has relatively lower water content for higher tensile and gel strengths, and an effective amount of dipopylene gylcol to offset the reduced amount...
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4689079 |
Method of preparing impression taking and molding materials and dental diagnosing/treating chemical materials used in the method
Powder of chemical material for impression taking and molding for teeth is previously packed with a water-soluble film in an amount determined by each clinical treatment. A desired impression...
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4689081 |
Investment casting method and stucco therefor
A special stucco for use in the construction of shell molds for investment casting is disclosed. The stucco particles comprise refractory powder held together by a binder which volatilizes or...
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4670053 |
Molding material and process for its preparation
Impression material in the form of a powder, which, on mixing with water, provides a paste which cures to a solid consistency, the material in the form of a powder being made dust-free by additions...
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4505750 |
Foundry mold and core sands
The addition of a hydrophobic, organophilic, water-wettable fibrous material to foundry sands increases the flowability of the sand and enables the production of molds or cores from the foundry...
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4504314 |
Alkali metal silicate binder compositions
A binder composition in aqueous solution, suitable for use in the production of foundry sand moulds and cores is obtained by mixing an alkali metal silicate, glycosylated polyhydric alcohols...
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4468202 |
Method for making dental impressions
A material and method are disclosed facilitating the forming of impressions of teeth and/or supporting structures, such as the alveolar ridge to be duplicated and restored. An elastomeric...
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4468484 |
Settable alignate compositions containing polyacrylamide
An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as...
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4396430 |
Novel foundry sand binding compositions
This application discloses two novel binding compositions for making silicate bonded cores and molds. In one of the binding compositions disclosed ammonia or an amine such as an ethanol amine is...
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4381947 |
Settable alginate compositions
An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as...
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4361181 |
Casting core and process for the production thereof
A casting core for the creation of difficultly accessible cavities in castings of aluminum or of one of its alloys, produced from a water-soluble salt as base substance and burnt sugar as binding...
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4341559 |
Binders based upon solutions of alkali metal silicates
This invention is directed to binder compositions based upon aqueous solutions of alkali metal silicates. More particularly, this invention is directed to binder compositions consisting essentially...
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4316744 |
High ratio silicate foundry sand binders
Binder solution for preparing sand cores of initial high strength but with essentially no strength after casting metals above 700° C., said binder solution comprising an aqueous solution of ...
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4242239 |
Bondable agar dental impression material
A heavy bodied reversible hydrocolloid dental impression material is disclosed. This material comprises agar-agar as the main component in which there is added a small amount of locust bean gum,...
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4203771 |
Green sand composition for casting
Properties of a green sand for casting composed of siliceous sand, a combination of Na-type and Ca-type bentonite and water can be improved by utilizing surface activating characteristics of a...
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4201594 |
Method for making refractory articles
The invention concerns the binding of refractory powders into self-supporting `green` shapes which are fired to provide refractory objects. In accordance with the invention the binders are based on...
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4174331 |
Refractory moldable composition containing ceramic fiber and colloidal silica
A refractory moldable composition which, upon drying, sets up to refractory shapes which are strongly adherent to the molding surfaces and are essentially crack-free, contains about 45 to about 65%...
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4131477 |
Moulding composition for making foundry moulds and cores
A moulding composition for making foundry moulds and cores which comprises: foundry sand as a filler; a ligno-sulphonate of an alkali metal, an alkali earth metal, an ammonium or mixtures thereof...
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4106548 |
Mass for production of cores and casting moulds
Composition for production of cores and casting molds comprises 100 parts by weight of grain base, particularly quartz sand, 0.5 - 30 parts of alkal metal hydroxides, 1 - 40 parts of alkali metal...
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4102691 |
Gellable binders
The present invention provides a method of producing a shaped object by coating a pattern with a slurry of a refractory powder in a binder. The binder comprises an acidic zirconium salt and also a...
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4089691 |
Method for manufacturing foundry cores
A method for manufacturing a foundry core comprising mixing sand and a binder system containing a saccharide-containing material, glyoxal and an alkali halide.
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4080213 |
Sand mold composition for metal casting
A sand mold composition for the metal casting comprising a molding sand and pullulan as a binder therefor. As compared with prior art, the present composition has following advantages: in the...
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4060421 |
Combined reversible aqueous colloidal dental impression material
A combined reversible aqueous colloidal dental impression material comprising powdery agar-agar, water soluble starch, silicone oil, potassium sulfate, borax, perfume, pigment antiseptic and...
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4059453 |
Method of making molds for the casting of metals
An improvement in a process for making a mold for metal casting by applying a fluid ceramic composition containing binding agent and finely divided refractory substance to a pattern and hardening...
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4020027 |
Foundry moulding materials
A composition for making foundry moulds and cores of improved strength comprises a mixture of a granular refractory material, a sodium silicate binder and a polymeric resin material. The polymeric...
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4013629 |
Art of catalyzing the reaction between a polyol and a polyaldehyde
An inorganic alkali halide is employed in a binder system to catalyze the reaction between glyoxal and polyhydroxyl compounds while permitting a controlled reaction rate and control of properties....
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4012262 |
Manufacture of thermally-insulating, refractory articles
A composition for use in the manufacture of thermally insulating, refractory articles, containing particulate refractory material and from 1 to 20 percent by weight of fibrous organic material, for...
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4006027 |
Process for producing foundry mounds and cores
Foundry moulds and cores hardening at a room temperature which feature high strength can be produced from a moulding mixture comprising moulding sand, an organic binder capable of interacting with...
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