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5824123 |
Zirconia articles having tetragonal cores and monoclinic cases and preparation and sintering methods
A method for preparing a ceramic article comprising compacting a particulate alloy of a primary oxide and a secondary oxide to form a blank, and sintering the blank in contact with substantially...
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5820978 |
Durability improved colloidal silica coating
A silica-based water-spreading coating having surfaces of silica particles coated with a metal oxide. The metal comprises aluminum, gallium, germanium, tin, indium, arsenic, antimony or vanadium....
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5814370 |
Encapsulation of nanoclusters in dried gel materials via an inverse micelle/sol gel synthesis
A dried gel material sterically entrapping nanoclusters of a catalytically active material and a process to make the material via an inverse micelle/sol-gel synthesis. A surfactant is mixed with an...
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5814407 |
Glycosylated particle of latex or of inorganic oxide and process for the preparation thereof
The invention relates to a glycosylated particle of latex or of inorganic oxide, exhibiting functional radicals at the surface. At least a proportion of said functional radicals is joined to a...
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5788990 |
Water-repellent powder and manufacture of the same
There is disclosed a water-repellent powder which is prepared by (A) coating the surface of a deliquescent powder with a curable silicone-based formation agent; and (B) curing said formation agent...
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5785748 |
Titanium dioxide pigments
A method for the manufacture of a titanium dioxide pigment comprises mixing a suspension of titanium dioxide with a reagent formed by reacting concentrated phosphoric acid with aluminium or an...
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5786088 |
Yellowish scaly powder comprising of metal oxide composite coating
A yellowish scaly powder is characterized in that a scaly powder surface is coated with a composite metal oxide of titanium and nickel or a composite metal oxide of titanium, nickel, and a third...
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5763351 |
Fluid fuel reforming ceramic catalysts and their manufacturing methods
A fluid fuel reforming ceramic catalyst comprising a core 2 of a complex oxide ceramic of transition metals, an intermediate layer 3 of an alumina-based silicate ceramic covering the core 2 and an...
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5763086 |
Goniochromatic luster pigments with silicon-containing coating
Goniochromatic luster pigments based on multiply coated platelet-shaped metallic substrates comprising at least one layer packet of A) a layer consisting essentially of silicon oxide, silicon...
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5759253 |
Lightweight aggregate and process for its production
A lightweight aggregate and a process and apparatus by which FCC, petroleum equilibrium fluid-cracking catalyst, a by-product of the oil refinery industry, can be added to the feedstock materials...
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5759930 |
Substantially spherical particles of lithium silicates with improved mechanical properties and improved surface quality
Substantially spherical particles of lithium silicates with improved mechanical properties and improved surface quality are provided, which are particularly suited for use as breeding material for...
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5760104 |
Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same
A binder solution of a phenolic novolak resin in solvent, preferably furfuryl alcohol containing at least one chemical agent such as amines containing one to five, preferably two to four, nitrogen...
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5759435 |
Magnetite particles and process for production thereof
Magnetite particles containing a silicon component inside, and having the silicon component exposed on the surface in a proportion of 0.05 to 2.0% by weight as silicon which have improved moisture...
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5759225 |
Culture soil, process for producing the same, and seedling-growing peat board
Peat moss having water repellency when it is dry is used as culture soil by subjecting it to a water repellency preventing treatment. In addition, a seedling-growing peat board with few germs and...
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5756200 |
Photographic support material with a backlayer containing coarse silica particles of specific pore volume
The invention relates to a photographic support material with a backlayer and to a coating composition for producing this backlayer. The layer is distinguished by excellent writing properties with...
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5753025 |
Titanium dioxide pigment coated with boria-modified silica and alumina
A base TiO 2 pigment particles bearing coatings of a boria-modified silica and alumina is disclosed.
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5750249 |
Galvanically compatible conductive filler and methods of making same
Composite particles suitable as conductive filler for electrically conductive compositions which can be used as gaskets, caulking and plastics, for example. The compositions are, useful as EMI...
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5747163 |
Powder for use in thermal spraying
A powder for use in a thermal spraying coating process comprises particles consisting essentially of a metal carbide core coated at least partially with a layer consisting essentially of a...
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5744233 |
Method of coating luminescent powders, luminescent powders and coated object
The invention relates to a method of coating luminescent powders with a coating which comprises silicon dioxide, which method is characterized in that in a first step luminescent particles are...
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5741357 |
Hydrated high alumina cement
A hydraulic cement composition is disclosed which utilizes as part of an expansive component novel coated particles of high alumina cement. The particles have a core of substantially unhydrated...
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5738936 |
Thermally conductive polytetrafluoroethylene article
A thermally conductive article comprises a polytetrafluoroethylene matrix, an elastomer interpenetrating the polytetrafluoroethylene matrix, thermally conductive particles, and expanded polymeric...
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5733658 |
Luster pigments based on reduced titania-coated silicate-based platelets
Luster pigments obtainable by treating titania-coated silicate-based platelets at from 400° to 900° C. with a gas mixture comprising a vaporized organic compound and ammonia are useful for...
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5718970 |
Thermal sprayed coating containing plastic
A high temperature thermal sprayable material, such as a metal or metal oxide, is adhered to the surface of a thermal sprayable plastic particle to form a cladding layer thereon. The high...
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5712037 |
Substituted silica gel
A method for producing high surface area, thermally stable, microporous porous ceramic materials involves replacing a portion of the silicon in a sol or gel comprising silica (silicon dioxide) with...
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5710207 |
Block polymers containing ester groups as defoamers for aqueous systems
A method of using compositions as foam regulators for water-based systems with a tendency to foam is provided. The method employs a block copolymer containing ester groups corresponding to general...
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5709715 |
Silicon or silica substrate with a modified surface, process for producing the same, new orthoesters and process for producing the same
The silicon or silica substrates described have a modified surface of a new type occupied by the alcohol fraction of an orthoester. The alcohol fraction may be saturated or unsaturated. The surface...
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5707438 |
Composite cuprous oxide powder
A composite cuprous oxide powder is provided comprising at least about 80% by weight of cuprous oxide particles and substantially the balance cupric oxide adhering to cuprous oxide particles. The...
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5707436 |
Process for the production of purple pigments
Prior art production of purple pigments based on colloidal gold on stovable/sinterable/fireable support material involves the reduction of a gold compound in the presence of a chemical reducing...
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5707440 |
Inorganic filler material with retention properties, and method and use of such material
A finely divided inorganic filler material is a sintered composite which consists of larger macro-filler particles of glass and of smaller micro-filler particles of glass or ceramics partially...
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5705265 |
Coated substrates useful as catalysts
Coated substrates are disclosed comprising a three-dimensional inorganic substrate having a coating of electrically conductive tin oxide on at least a portion of all three dimensions thereof and...
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5705266 |
Core material for the casting of articles and related process
A core material for making cores to be used in molds for the casting of metals and comprising a mixture of hollow ceramic particles uniformly distributed throughout a resin binder of organic...
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5698327 |
Zinc/dentifrice-compatible silica particulates
Zinc-compatible silica particulates, useful for the formulation of a wide variety of improved dentifrice compositions, have an effective compatibilizing amount of zinc values chemically bonded to...
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5698315 |
Electrically-conductive colorless transparent barium sulfate filler
A electrically-conductive barium sulfate filler and a method for preparing same are herein disclosed and it comprises a particulate core material composed of barium sulfate provided thereon with a...
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5698326 |
Peracid compounds
Organic peracids supported on inorganic macromolecular supports and a process for preparing them are provided. The peracids have general chemical formulae: Q--O--Si--A--NR--X--CO 3 H (I) wherein Q...
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5693134 |
Gray interference pigment and process for producing the same
An interference pigment comprising a platelet-shaped substrate coated with titanium dioxide and additionally oxidic compounds of copper and manganese, whereby the pigment powder color is dark gray.
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5691059 |
Glass and glass-ceramic bubbles having an aluminum nitride coating
A composite bubbles comprising a silicate glass bubble or a bubble of silicate glass-ceramic having an aluminum nitride coating thereon; and a method of making the same. In another aspect,...
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5688841 |
Antistatic aromatic polyimide film
An antistatic aromatic polyimide film containing from 14 to 50% by weight of electrically conductive silica particles coated with a layer of antimony-containing tin oxide and having a surface...
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5686217 |
Carrier particles bearing insoluble metal salt deposits
Carrier particles for use in negative electrostatographic developers wherein said particles bear, based on the weight of the carrier particles, from 0.1 to 2 weight percent of deposits selected...
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5683802 |
Heat-seatable or non-heat-sealable, oriented, multilayer polyolefin film comprising ceramic particles
The disclosed oriented, multilayer olefin polymer film comprises an olefin polymer base layer and at least one outer layer, which outer layer contains from 0.01 to 1% by weight, based on the weight...
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5677034 |
Biaxially oriented, laminated polyester film
Disclosed is a biaxially oriented, laminated polyester film having a lamination structure with at least two layers. At least one of the outermost layers of the film is a thin laminated layer A...
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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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5674617 |
Granulated alkali metal cyanide
New alkali metal cyanide granulates based on sodium cyanide or potassium cyanide and a method for their preparation are disclosed. Commercially available alkali metal cyanide granulates consist of...
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5670257 |
Organic-inorganic composite particles and production process therefor
Organic-inorganic composite particles which include a (meth)acrylic resin framework and a polysiloxane framework having in its molecule an organosilicon containing a silicon atom directly and...
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5667859 |
Reinforced joint for composite structures and method of joining composite parts
A method of joining composite parts including disposing reinforcing elements through the thickness of two composite adherends to be joined, at least a number of the reinforcing elements extending...
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5667892 |
Multicolored flakes
Multicolored flakes with two faces, having a thickness between approximately 60 μm and approximately 200 μm, consist in a film of uniform color of polymer, copolymer or terpolymer, or a mixture...
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5660934 |
Clad plastic particles suitable for thermal spraying
A high temperature thermal sprayable material, such as a metal or metal oxide, is adhered to the surface of a thermal sprayable plastic particle to form a cladding layer thereon. The high...
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5658976 |
Pacification of optically variable pigments for use in waterborne coating compositions
The present invention is a composition comprising an optically variable pigment modified with metal salt selected from the group consisting of salts of transition metals having atomic numbers...
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5652060 |
Spherical magnetic particles for magnetic toner and process for producing the same
Spherical magnetic iron oxide particles for a magnetic toner comprise: Fe 2 + -containing iron oxide particles having an average particle diameter of 0.05 to 0.30 μm, containing 1.7 to 4.5...
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5650002 |
TiO.sub.2 light scattering efficiency when incorporated in coatings
A TiO 2 pigment particle having a surface coating of inorganic particles or mineral particles exhibiting improved light scattering efficiency of TiO 2 at a moderate to high pigment volume...
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5648160 |
Magnetic powder, method for producing the same and use of the same
A magnetic powder containing MnBi, in which an average particle size of the magnetic powder is from 0.1 μm to 20 μm; a coercive force is from 3000 to 15,000 Oe at 300 K. and 50 to 1000 Oe at 80...
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