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5669942 |
Abrasive sanding paste
An abrasive paste composition. The abrasive paste is made up from an aqueous suspension of water insoluble abrasive particles of from about forty five percent (45%) to about sixty five percent...
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5667567 |
Polishing agent used for polishing silicon wafers and polishing method using the same
A polishing agent used for polishing a silicon wafer is composed of a colloidal silica polishing agent containing an ethyl silicate monomer and/or an ethyl silicate polymer. Even when the polishing...
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5667542 |
Antiloading components for abrasive articles
An abrasive article, for example, a coated, bonded, or nonwoven abrasive article comprising a binder, a plurality of abrasive particles, and an antiloading component in a peripheral coating of the...
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5637386 |
Fining abrasive materials
A coated abrasive suitable for fining operations on contoured surfaces is obtained by depositing an abrasive/bond mixture in a discontinuous pattern on the surface of a backing that is stretchable...
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5624652 |
Silicas
Amorphous silicas suitable for use as abrasives in transparent toothpastes can be prepared by a precipitation route. These silicas are distinguished by having a BET surface area of 10 to 90 M 2 ...
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5624472 |
Method for dry grinding with improved magnesium oxychloride cement bond containing graphite
Magnesium oxychloride cement bonds are improved by incorporation of graphite. The graphite not only contributes to cooler dry grinding with abrasive tools based on the magnesium oxychloride bond,...
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5622535 |
Abrasive article comprising polymeric compositions and abrasive grain
A composition comprising an inorganic filler and binder component containing a glassy polymer and a rubbery polymer is provided. The glassy polymer contacts and encapsulates the filler. The...
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5616316 |
Dentifrice-compatible silica particulates
Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface...
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5595579 |
Soap absorbing, soap dispensing ceramic stone for skin ex-foliant treatment
A liquid soap absorbent, liquid soap dispensing synthetic ceramic stone of specified porosity with interconnecting voids throughout the body of the stone. The surface of the stone is mildly...
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5584898 |
Superpolishing agent, process for polishing hard materials, and polished hard materials
A process for superpolishing hard ceramic substrates, and super polished substrates having surface finishes below about 20 angstroms RMS. In the first embodiment, the process comprises applying a...
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5573561 |
Sol-gel alumina abrasive wheel with improved corner holding
The present invention provides a vitreous-bonded abrasive grinding wheel wherein the abrasive grit portion comprises a sol-gel alumina abrasive and wherein the wheel has improved corner or form...
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5549961 |
Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface
An abrasive article having a sheet-like structure having at least one major surface having deployed thereon a plurality of individual abrasive composites, each abrasive composite comprising a...
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5536283 |
Alumina abrasive wheel with improved corner holding
The present invention provides a vitreous-bonded abrasive grinding wheel wherein the abrasive grit portion comprises an alumina abrasive and wherein the wheel has improved corner or form holding...
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5536282 |
Method for producing an improved vitreous bonded abrasive article and the article produced thereby
A method is provided that produces grinding wheels which exhibit improved burn reduction or prevention, lower power consumption and increased penetration of metalworking fluid into the grinding...
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5527423 |
Chemical mechanical polishing slurry for metal layers
A slurry for use in chemical-mechanical polishing of a metal layer comprising high purity fine metal oxide particles uniformly dispersed in a stable aqueous medium.
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5518512 |
Abrasive composites having a controlled rate of erosion, articles incorporating same, and methods of making and using same
An abrasive composite is presented having a controller rate of erosion, the composite comprising abrasive particles dispersed in the binder, wherein the binder comprises an addition polymerized...
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5512071 |
Water soluble blast media containing surfactant
A blast media for stripping contaminants from a solid surface comprises water soluble abrasive particles and a surfactant which reduces the amount of water soluble residues of blast media remaining...
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5496387 |
Binder precursor dispersion method of making abrasive articles made from reduced viscosity slurries, and method of reducing sedimentation rate of mineral particles
A binder precursor dispersion suitable for use in producing abrasive articles, the dispersion consisting essentially of a polymerizable resin, filler particles, and modifying particles, wherein the...
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5492548 |
Rough edged refiner plate cutter bars
A method for integrally applying a rough surface to the grooves of paper pulp refiner plates which involves placing the pattern for the plate into a mold and then applying to the desired surfaces...
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5486219 |
Coatable urea-aldehyde solutions containing a cocatalyst, coated abrasives made using said solutions, and method of making coated abrasives
Coatable urea-aldehyde binder precursor compositions including a urea-aldehyde resin and a cocatalyst yield more consistent quality coated abrasives. In addition, the compositions have longer pot...
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5484581 |
Process for the production of precipitated silica
Precipitated silica which has a BET surface area of 10-130 m 2 /g, a CTAB surface area of 10-70 m 2 /g , an average particle diameter of 5-20 μm, a Cu abrasion value in a 10% glycerol dispersion...
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5480476 |
Activated polishing compositions
Disclosed is a process for preparing activated compositions and the compositions derived therefrom which are suitable for polishing surfaces, particularly integrated circuits, wherein a base...
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5472459 |
Soap absorbing, soap dispensing ceramic stone for skin ex-foliant treatment
A liquid soap absorbent, liquid soap dispensing synthetic ceramic stone of specified porosity with interconnecting voids throughout the body of the stone. The surface of the stone is mildly...
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5472461 |
Vitrified abrasive bodies
Improved hot-pressed vitrified bodies are described, which comprise an abrasive material, a vitreous bond; and at least one extender agent. The extender agent may be formed of hollow ceramic bodies...
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5462570 |
Process for producing an environmentally acceptable abrasive product from hazardous wastes
A method and apparatus of reclaiming hazardous inorganic wastes to produce an environmentally benign abrasive for use in loose grain processes, as a coated or bonded abrasive, or as a polishing...
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5460635 |
Magnesium oxychloride cement containing graphite
Magnesium oxychloride cement bonds are improved by incorporation of graphite. The graphite not only contributes to cooler dry grinding with abrasive tools based on the magnesium oxychloride bond,...
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5449389 |
Process for production of fine α-alumina powder
A process for production of a fine alpha-alumina powder having a specific surface area of not smaller than 10 m 2 /g and superior polishing characteristics is provided, the process comprising...
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5443603 |
Light weight ceramic abrasive media
A method for manufacturing abrasive tumbling media comprising discrete abrasive particles having a preselected size and shape made by firing a formed mixture primarily comprising a particulate...
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5443604 |
Polishing compound for plastic surfaces
A polishing compound for plastic surfaces. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts...
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5435815 |
Cutting tool employing vapor-deposited polycrystalline diamond for cutting edge and method of manufacturing the same
A diamond cutting tool has a tool substrate and a cutting edge member. The cutting edge member is formed of a material having a three-layer structure or a diamond composite material. When the...
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5432137 |
Process for producing a highly crystalline, fine α-alumina powder
A novel process for producing highly crystalline, fine α-alumina is disclosed. Aluminum hydroxide is calcined in the presence of fine silica powder. The obtained alumina is in the alpha form and...
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5424133 |
Process for the preparation of substrate surfaces for adhesive bonding
A process of preparing a substrate surface for a subsequent adhesive bond, coating or pouring operation, by applying to the substrate an adhesion promoting composition comprising either: (A),...
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5407615 |
Compositions and methods for repairing and removing scratches and other imperfections from plastic surfaces
Polishing compositions and methods are described for removing scratches and other imperfections from a variety of plastic surfaces in order to improve the clarity and optical quality. Such...
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5389119 |
Abrasive member comprising a nonwoven fabric and a method for making same
An abrasive member comprising an electrically conductive or non-conductive open, porous layer comprising a nonwoven fabric supporting a metal structure which carries an abrasive material. The...
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5380347 |
Blast media containing surfactant-clathrate compound
A blast media for stripping contaminants from a solid surface comprises abrasive particles and a surfactant in the form of a granular surfactant-clathrate compound formed of a surfactant and a...
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5352277 |
Final polishing composition
A final polishing composition for polishing a silicon wafer used as a substrate crystal in electrical integrated circuits comprises water, colloidal silica, a water-soluble polymeric compound, and...
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5336280 |
Abrasive and/or refractory products based on melted and solidified oxynitrides and process preparing the same
Abrasive and/or refractory products comprising at least one compound from the group of oxynitrides of one or more metals or metalloids (such as Al, Mg, alkaline earth metals, Si, Ti or Zr) and...
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5332447 |
Method of cleaning using a blast media containing a surfactant-clathrate compound
A blast media for stripping contaminants from a solid surface comprises abrasive particles and a surfactant in the form of a granular surfactant-clathrate compound formed of a surfactant and a...
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5326381 |
Use of polytetrafluoroethylene resin particles to reduce the abrasion of abrasive pigments
A trace amount of a polytetrafluoroethylene resin is incorporated with an abrasive pigment prior to or during the preparation of an aqueous pigment slurry or is applied to dry pigment to reduce the...
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5322532 |
Large size sodium bicarbonate blast media
A blast media for stripping contaminants from a substrate comprises abrasive particles which are formed by agglomerating fine particles of sodium bicarbonate with an aqueous binder solution of...
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5322735 |
Roller body, method of its manufacture, and of roller or plain bearings
A roller body or plain bearing component exhibits a core body (1) of ceramic material which is coated with a lapped hard layer (3) (e.g. titanium carbide, Diamond . . . ).
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5318605 |
Glass-ceramic bonded abrasive articles
Abrasive tools are described which comprise abrasive grits held in a glass-ceramic bond in which at least 75% of the bond material is in bond posts or in coatings on individual grains.
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5316559 |
Dicing blade composition
A dicing blade is formed by plating a composition of diamond particles and silicon carbide whiskers suspended in a nickel solution upon an aluminum hub. To obtain bonding rather than capturing of...
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5313742 |
Highly rigid composite shaped abrasive cutting wheel
A cutting wheel, especially suitable for dicing silicon wafers and the like, which has a high degree of stiffness as a result of the wheel being a monolith with a thick inner section and thin outer...
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5314514 |
Abrasive tape
An abrasive tape comprises a flexible substrate and an abrasive layer, which is overlaid on the flexible substrate and contains abrasive grains and a binder. The abrasive grains comprise first...
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5308403 |
Blast media containing magnesium oxide
A blast media for stripping coatings or other contaminants from a solid surface comprises water soluble abrasive particles and a rinse aid which reduces the amount of water soluble residues of...
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5300129 |
Coating for improved retention of cbn in vitreous bond matrices
The invention is directed to cubic boron nitride (CBN) particles coated with a thin inner layer formed by the reaction of a reactive glass or ceramic to form a chemical bond and, optionally, an...
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5295332 |
Perforated strip abrading element and abrading tool and method using such strip element
An extruded plastic strip contains abrasive grains or minerals embedded homogeneously therein throughout is scored along the machine or extrusion axis direction, such scoring including elliptical...
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5288297 |
Abrasive compact of cubic boron nitride and method of making same
An abrasive compact comprising 40 to 90 volume percent of cubic boron nitride (CBN) crystals bonded by 60 to 10 volume percent of a bonding matrix comprised mainly of an intimate mixture of silicon...
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5286541 |
Coated abrasive having combination backing member
Coated abrasive material having a combination backing member. The combination backing member has as a bottom member a conventional backing member substrate used in the manufacture of coated...
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