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| Number | Title | Issue Date |
| 8137423 | Method of making abrasive article A method of making an abrasive article comprising an abrasive disc (1) of non-woven fibres having a central shaft (3) and a hub (2) securing the shaft (3) to the abrasive disc (1). The method comprising forming the hub (3) b... | 03/20/2012 |
| 8118897 | Mix head assembly for forming chemical mechanical polishing pads A mix head assembly for use in the manufacture of chemical mechanical polishing pad polishing layers is provided, wherein inclusions of entrained gas inclusion defects are minimized. ... | 02/21/2012 |
| 8070842 | Dental polishing article which contains spherical resin particles The present invention provides a dental polishing article having excellent polishability, which can polish dental composite resin, porcelain, dental restorative and prosthetic materials and teeth at a low cost, conveniently in a short time. More specifically, the pr... | 12/06/2011 |
| 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 |
| 8057561 | Polyoxometalate compositions and methods The invention provides an isolated, particulate polyoxometalate complex comprising a water-soluble cationic polymer and a polyoxometalate compound ionically bound to the cationic polymer. The polyoxometalate compound can be an isopolyoxometalate compound, such as an... | 11/15/2011 |
| 7985269 | Nonwoven abrasive articles and methods of making the same Lofty open nonwoven abrasive articles, unitized abrasive wheels, and convolute abrasive wheels include a dipodal aminosilane. Methods of making the abrasive articles are also included. ... | 07/26/2011 |
| 7959694 | Laser cut abrasive article, and methods Abrasive articles, and methods of making abrasive articles by using a laser to convert (e.g., cut) at least a portion of the abrasive coating to form the abrasive article. The method includes laser propagation impinging on the abrasive back side (opposite the abrasi... | 06/14/2011 |
| 7947098 | Method for manufacturing chemical mechanical polishing pad polishing layers having reduced gas inclusion defects A method for manufacturing chemical mechanical polishing pad polishing layers that minimizes entrained gas inclusion defects is provided. Also provided is a mix head assembly for use in the manufacture of chemical mechanical polishing pad polishing layers, wherein i... | 05/24/2011 |
| 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 |
| 7935158 | Bonded abrasive article and method of making A bonded abrasive article is provided which includes abrasive grains made of cubic boron nitride within a bond matrix including a silicate. The bonded abrasive further includes a reaction product at the interface between the abrasive grains and bond matrix comprisin... | 05/03/2011 |
| 7931713 | Chemical mechanical planarization pad A Chemical Mechanical Planarization (CMP) Pad. The CMP pad may be hydrophobic due to the incorporation of metal complexing agents. The CMP pad substantially retaining planarization characteristics throughout planarization applications. Shearing, hardness, wearing, w... | 04/26/2011 |
| 7922783 | Polishing pad and production method thereof There are provided a polishing pad which exhibits excellent polishing stability and excellent slurry retainability during polishing and even after dressing, can prevent a reduction in polishing rate effectively and is also excellent in an ability to flatten an subst... | 04/12/2011 |
| 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 |
| 7833297 | Polishing pad containing interpenetrating liquified vinyl monomer network with polyurethane matrix therein Provided is a polyurethane polishing pad. More specifically, the present invention provides a polyurethane polishing pad having an interpenetrating network structure of a vinyl polymer with a polyurethane matrix via radical polymerization and having no pores and gas... | 11/16/2010 |
| 7811342 | Coated abrasive tools from non-blocked urethane prepolymer A polyurethane adhesive composition, formed by combining a non-blocked urethane prepolymer and a polymeric polyol, is used for preparing a coated abrasive tool. The polyurethane adhesive composition is applied over a substrate to thereby form a polyurethane-adhesive... | 10/12/2010 |
| 7655057 | Polishing composition and polishing method A polishing composition contains a compound represented by the general formula (1) below and abrasive grains. In the general formula (1), X represents a residue of polyether polyol (having a polyether chain containing an oxyethylene group in an amount of 20 to 90% b... | 02/02/2010 |
| 7585340 | Polishing composition containing polyether amine The inventive chemical-mechanical polishing system comprises a polishing component, a liquid carrier, and a polyether amine. The inventive method comprises chemically-mechanically polishing a substrate with the aforementioned polishing system. ... | 09/08/2009 |
| 7527662 | Abrasive body and method of manufacturing the same An abrasive body for polishing includes a resin structure made of resin and a plurality of abrasive grains wherein a critical surface tension of the resin ranges from 1.6×10−2 to 4.0×10−2 N/m. ... | 05/05/2009 |
| 7524345 | Rapid tooling system and methods for manufacturing abrasive articles A coated abrasive article includes a substrate and a patterned set of abrasive structures. Each abrasive structure of the patterned set of abrasive structures has an engineered microfeature. ... | 04/28/2009 |
| 7503949 | Abrasive article and method Provided are abrasive articles comprising a plurality of abrasive particles and a binder wherein the binder comprises a polymer formed by a reaction between a polyisocyanate and a polyoxirane, wherein the resulting binder is substantially free of urethane and urea l... | 03/17/2009 |
| 7497884 | Fine abrasive paper backing material and method of making thereof In one embodiment is provided a method of making an abrasive backing having a smooth surface comprising the steps of providing a paper having a first paper surface and a second paper surface; applying a first synthetic polymeric layer comprising a first synthetic po... | 03/03/2009 |
| 7491251 | Method of making a structured abrasive article A method of making an abrasive product includes compacting a cohesive layer of abrasive particles and particulate curable binder precursor prior to forming curable shaped structures, and then at least partially curing the curable binder precursor. ... | 02/17/2009 |
| 7438636 | Chemical mechanical polishing pad A chemical mechanical polishing pad is suitable for polishing at least one of semiconductor, optical and magnetic substrates. The polishing pad has a high modulus component forming a continuous polymeric matrix and an impact modifier within the continuous polymeric ... | 10/21/2008 |
| 7410413 | Structured abrasive article and method of making and using the same A structured abrasive article comprises a backing, a structured abrasive layer affixed to the backing, the structured abrasive layer comprising: a plurality of raised abrasive regions, each raised abrasive region consisting essentially of a close-packed plurality of... | 08/12/2008 |
| 7404831 | Abrasive composite, method for making the same, and polishing apparatus using the same An abrasive composite, a method for making the abrasive composite, and a polishing apparatus using the abrasive composite are disclosed. The abrasive composite includes a matrix and a plurality of nano-particles distributed therein. The nano-particles are made of at... | 07/29/2008 |
| 7393371 | Nonwoven abrasive articles and methods Nonwoven abrasive articles, particularly lofty nonwoven abrasive articles, with a textured, non-planar surface and an abrasive coating thereon. The coating may cover the entire surface or only portions of the surface. The textured surface, composed of peaks or high ... | 07/01/2008 |
| 7384436 | Polycrystalline grits and associated methods Polycrystalline grits and methods of making grits which allow for a high degree of shape and size distribution control, as well as improved abrasive performance are described and disclosed. In one aspect, an abrasive slurry can be formed into a plurality of abrasive... | 06/10/2008 |
| 7371300 | Adhesive composition comprising thermoexpandable microcapsules The invention relates to a composition, its use and a method of its use as a glazing adhesive. The composition comprises an adhesive agent with thermoexpandable microcapsules which act as pressure actuators dispersed therein. The microcapsules are heat triggered so ... | 05/13/2008 |
| 7350387 | Tooling assembly A tooling assembly 10 having a first set of blades which are formed from a first material and a second set of blades which are formed from a second material. More particularly, each carbide blade of each member 62, 64, 66, and 68 is operatively ... | 04/01/2008 |
| 7348378 | Adhesive An adhesive composition includes a polymer adhesive material and a thickener. The adhesive composition has a stringing length of 9 cm or less and a phase lag of 45 degrees or less or a sag distance of 5 mm or less. The adhesive can be formed by combining a vinyl ace... | 03/25/2008 |
| 7344988 | Alumina abrasive for chemical mechanical polishing Methods of manufacturing alumina abrasive for use in chemical mechanical polishing are described, wherein the abrasive is in a slurry having gamma alumina formed in a low temperature fuming process, water, an acid sufficient to maintain the pH below about 7, wherein... | 03/18/2008 |
| 7344575 | Composition, treated backing, and abrasive articles containing the same A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional urethane(meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated ba... | 03/18/2008 |
| 7344574 | Coated abrasive article, and method of making and using the same A coated abrasive article has a backing treatment preparable by at least partially polymerizing an isotropic backing treatment precursor comprising polyepoxide, polyfunctional urethane (meth)acrylate, non-urethane polyfunctional (meth)acrylate, acidic free-radically... | 03/18/2008 |
| 7344573 | Impregnation of grinding wheels using supercritical fluids An additive impregnated abrasive article and method for fabricating the same is provided. The method includes providing an abrasive article having a pore structure, dissolving an additive in a supercritical fluid, and exposing the abrasive article to the additive-la... | 03/18/2008 |
| 7338908 | Method for fabrication of semiconductor interconnect structure with reduced capacitance, leakage current, and improved breakdown voltage An etching process for selectively etching exposed metal surfaces of a substrate and forming a conductive capping layer over the metal surfaces is described. In some embodiments, the etching process involves oxidation of the exposed metal to form a metal oxide that ... | 03/04/2008 |
| 7335239 | Chemical mechanical planarization pad A Chemical Mechanical Planarization (CMP) Pad. The CMP pad may be hydrophobic due to the incorporation of metal complexing agents. The CMP pad substantially retaining planarazation characteristics throughout planarization applications. Shearing, hardness, wearing, w... | 02/26/2008 |
| 7335022 | Dental bite impression wafer for identification purposes that also captures DNA-bearing materials A dental bite impression wafer that also captures the user's saliva and cheek cells. The wafer is made from a thermoplastic material that softens when warmed and that defines opposed posterior edges. The wafer carries one or more structures such as posts that are ad... | 02/26/2008 |
| 7332457 | Agricultural chemical suspensions Stable concentrated suspensions readily dispersible in water comprising one or more agricultural solids, a single non-ionic surfactant and a water-soluble glycol liquid. The agricultural solids include fertilizers, adjuvants, herbicides, pesticides and combinations ... | 02/19/2008 |
| 7329175 | Abrasive article and methods of making same A porous abrasive article that allows air and dust particles to pass through. The abrasive article has a screen abrasive and a porous attachment interface. The screen abrasive has an abrasive layer comprising a plurality of erectly oriented abrasive particles and at... | 02/12/2008 |
| 7326378 | Process for producing polyurethane grinding tool A process for producing a polyurethane grinding tool is provided, the process including a step of mixing one or more types of polyol component selected from the group consisting of polyether polyols and polyester polyols with inorganic abrasive grains, a step of mix... | 02/05/2008 |
