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| Number | Title | Issue Date |
| 8167962 | Pulpstone for long fiber pulp production Pulp production techniques are disclosed. In one embodiment, pulpstone segments are provided, that include proppant grits in the place of some or all of the conventional abrasive typically used in pulpstone applications. The proppant or proppant-abrasive mixture can... | 05/01/2012 |
| 8133092 | System and method for improved hand tool operation Systems and methods for improved operation of hand tools are disclosed. Sensors may be configured to monitor one or more operational parameters of a hand tool and collected data may be communicated to the hand tool operator. The data may be compared to predetermined... | 03/13/2012 |
| 8127963 | Liquid container system for a spray gun A liquid container system for a spray gun. The container system includes an outer cup, a collapsible liner for holding a liquid to be sprayed, and a lid for closing the liner. A mounting ring may be used in the cup to make locking engagement with the lid. A lip at t... | 03/06/2012 |
| 8062394 | High-performance resin for abrasive products An abrasive product includes a plurality of abrasive particles and a resin cured with a polythiol group. A method of preparing the abrasive product includes contacting the plurality of abrasive particles with a curable composition that includes a resin and a polythi... | 11/22/2011 |
| 8043393 | Bonded abrasive article and method of making A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) o... | 10/25/2011 |
| 8038751 | Coated abrasive products containing aggregates A coated abrasive product includes a particulate material containing green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder. Free abras... | 10/18/2011 |
| 8033413 | Liquid supply assembly A connector system for attaching a liquid container to a spray gun includes a lid with a liquid outlet and an adapter that connects the outlet with the liquid inlet port of the gun. The lid includes interlocking tab assemblies for releasably attaching the adapter to... | 10/11/2011 |
| 8021449 | Hydrophilic and hydrophobic silane surface modification of abrasive grains A surface-modified abrasive grain includes an abrasive grain as a substrate, and a film on the abrasive grain that includes a relatively hydrophilic silane component and a relatively hydrophobic silane component. The film can be a single film layer or multiple film ... | 09/20/2011 |
| 7963827 | Backingless abrasive article An abrasive article includes an abrasive layer having an array of protrusions. The abrasive layer has a thickness not greater than about 500 mils. The abrasive article is free of a backing layer. ... | 06/21/2011 |
| 7947097 | Low corrosion abrasive articles and methods for forming same An abrasive article includes a binder and abrasive grains. The binder is formed from a formulation including a polymer component, a curing agent, and an acid bonding agent. ... | 05/24/2011 |
| 7923111 | Treated alumina hydrate material and uses thereof In a particular embodiment, a particulate material includes alumina hydrate. The particulate material has a 500 psi Compaction Volume Ratio of at least about 4.0 cc/cc. ... | 04/12/2011 |
| 7918716 | Mating systems and methods for joining coated abrasives Mating systems and methods for joining coated abrasives. The mating system comprises mating portions positioned at coated abrasive end portions. Complimentary mating portions may be used to join coated abrasives without glue or mechanical attachment. The mating syst... | 04/05/2011 |
| 7875091 | Rapid tooling system and methods for manufacturing abrasive articles A rapid structuring media cartridge includes a cartridge body, a first binder and first abrasive particles. The cartridge is operable to deposit successive patterned layers including the first binder and first abrasive particles to form an abrasive structure. ... | 01/25/2011 |
| 7867302 | Rapid tooling system and methods for manufacturing abrasive articles A method of facilitating abrasive article manufacturing includes providing a rapid tooling system to a consumer and providing a cartridge to the consumer. The cartridge has a cartridge body, a first binder and first abrasive particles. The cartridge is configured to... | 01/11/2011 |
| 7863369 | Pigments and polymer composites formed thereof A composite material includes a polymer matrix and a pigment dispersed in the polymer matrix. The pigment includes an alumina hydrate particulate material and a dye. The dye is covalently bonded to a surface of the alumina hydrate particulate material. ... | 01/04/2011 |
| 7591865 | Method of forming structured abrasive article The disclosure is directed to a method of forming a structured abrasive article. The method includes coating a backing with an abrasive slurry comprising binder and abrasive grains, partially curing the abrasive slurry and forming a pattern in the partially cured ab... | 09/22/2009 |
| 7582277 | Seeded boehmite particulate material and methods for forming same A boehmite particulate material is disclosed. The material is formed by a process that includes providing a boehmite precursor and boehmite seeds in a suspension, and heat treating the suspension to convert the boehmite precursor into boehmite particulate material. ... | 09/01/2009 |
| 7531161 | Boehmite and polymer materials incorporating same A modified polymer material is discloses, including a polymer base and boehmite particles provided in the polymer base, the boehmite particles are made up of mainly anisotropically shaped particles. ... | 05/12/2009 |
| 7479324 | Pigments comprising alumina hydrate and a dye, and polymer composites formed thereof A composite material includes a polymer matrix and a pigment dispersed in the polymer matrix. The pigment includes an alumina hydrate particulate material and a dye. The dye is covalently bonded to a surface of the alumina hydrate particulate material. ... | 01/20/2009 |
| 7422513 | Porous abrasive articles with agglomerated abrasives A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400° C., and the sintere... | 09/09/2008 |
| 7306748 | Methods for machining ceramics A method for machining a ceramic substrate containing Al, including providing a slurry between a substrate and a machine tool, the slurry containing alumina abrasive and an additive including a phosphorus compound, and moving the substrate relative to the machine to... | 12/11/2007 |
| 7189775 | Boehmite particles and polymer materials incorporating same A modified polymer material is discloses, including a polymer base and boehmite particles provided in the polymer base. the boehmite particles are made up of mainly anisotropically shaped particles. ... | 03/13/2007 |
| 7108594 | Perforated sanding disc Abrasive discs for use with orbital sanders having dust extractor systems are provided in which the discs have an annular perforated zone intermediate between the center and the circumference of the disc in a location corresponding to the location of dust extractor ... | 09/19/2006 |
| 7014550 | Sanding system The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad. ... | 03/21/2006 |
| 7012037 | Chromia spray powders Particles particularly useful for thermal spraying a wear resistant coating on to a substrate comprise an essentially single phase crystalline structure comprising from 45 to 99% by weight of chromia and 55 to 1% by weight of alpha alumina. ... | 03/14/2006 |
| 6945851 | CMP formulations CMP formulations for use on nickel/phosphorus alloys comprising abrasive particles and an oxidant, a modifier for the action of the oxidant and first and second accelerants to sequester removed materials containing phosphonate and ammonium or amine groups respective... | 09/20/2005 |
| 6929199 | Explosive fragmentation process Porous ceramic particles can be fragmented by generating a gas inside the pores at a sufficient pressure to cause the particles to be fragmented. The preferred way of generating the pressure is by immersing the particles in a liquid that at ambient temperatures and ... | 08/16/2005 |
| 6893994 | Plasma spheroidized ceramic powder Thermal spray powders suitable for application of a thermal barrier coating on a substrate can be obtained by plasma spraying a chemically homogeneous zirconia stabilized in the tetragonal form using a stabilizing oxide such as yttria to obtain a powder comprising s... | 05/17/2005 |
| 6835220 | Anti-loading treatments An abrasive is give a top coat layer consisting essentially of an inorganic, anti-loading agent selected from the group consisting of metal silicates, silicas, metal carbonates, and metal sulfates. The metal silicates can be selected from the group consisting of mag... | 12/28/2004 |
| 6824876 | Belt joint adhesive An adhesive for use in coated abrasive belt joints includes a blocked isocyanate, urethane system. The blocking agent can include phenols, oximes, alcohols, caprolactam, and diethyl malonate. The adhesive can be crosslinked with amine or alcohol. A coated abrasive b... | 11/30/2004 |
| 6807705 | Polishing pad and system The invention provides a double sided waffle-surfaced foam polishing pad and a polishing system with which it can be used. The double sided feature allows great versatility in the type of polishing that can be accomplished using the same pad. ... | 10/26/2004 |
| 6797023 | Coated abrasives Novel coated abrasives comprising abrasive agglomerate grains characterized by a high porosity and low ratio of solid volume to nominal volume provide exceptionally useful medium to low pressure grinding characteristics. ... | 09/28/2004 |
| 6774076 | Chromia spray powders and a process for making the same Particles particularly useful for thermal spraying a wear resistant coating on to a substrate comprise an essentially single phase crystalline structure comprising from 45 to 100% by weight of chromia and from 0 to 55% by weight of alpha alumina. ... | 08/10/2004 |
| 6755721 | Chemical mechanical polishing of nickel phosphorous alloys CMP formulations for use on nickel/phosphorus alloys comprising abrasive particles and an oxidant, a modifier for the action of the oxidant and first and second accelerants to sequester removed materials containing phosphonate and ammonium or amine groups respective... | 06/29/2004 |
| 6685756 | Coated abrasives A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures wherein the structures comprise a cured binder resin in an amount that is from 58 to 75% by volume of the volume of binder plus solid particles dispersed... | 02/03/2004 |
| 6645265 | Polishing formulations for SiO2-based substrates Powders of particles comprising a ceramic core and a coating of ceria deposited thereon provide an economical and effective abrasive for glass polishing formulations.... | 11/11/2003 |
| 6616519 | Sanding system The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.... | 09/09/2003 |
| 6602556 | Ceramic shell thermal spray powders and methods of use thereof Plasma spraying a substrate using particles having a ceramic coating on a combustible core, which may optionally be burned out before spraying, gives a potential for a thicker more conformable protective coat.... | 08/05/2003 |
| 6599177 | Coated abrasives with indicia A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures can be modified to convey information by changing the appearance, for example by changing the size, shape or spacing of the structures to create patterns... | 07/29/2003 |
