Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7922806 | Process for producing kaolin product for paper coating A process of producing a kaolin product for paper coating includes mining kaolin ores by hydromechanization and then producing kaolin slurry; classifying by centrifugal sedimentation; chemical bleaching; eliminating iron ions by circular rinsing; removing water by p... | 04/12/2011 |
| 7811377 | Low alkali, non-crystalline, vitreous silica fillers A substantially white powder for use as a filler and/or extender derived from by-products of manufacturing vitreous low alkali, low iron glass fibers, and a method for producing the powder. The filler has very low alkalinity and by virtue of its being essentially fr... | 10/12/2010 |
| 7806978 | Fine platy kaolin composition The present invention relates to a kaolin composition having improved physical properties, for example, for use in the production of paper products. The composition can comprise kaolin having a shape factor of at least about 20. The kaolin can have a particle size d... | 10/05/2010 |
| 7780779 | Method for separating mixture of finely divided minerals The Rio Capim Kaolin deposit contains a lower bed of soft kaolin clay that averages 10 meters thick, and an upper bed of “hard” kaolin (“RCC hard kaolin”) that may be as thick as 6 to 8 meters. Due to their high impurity content fine particle size, cementeti... | 08/24/2010 |
| 7749322 | Aluminium oxide powder produced by flame hydrolysis and having a large surface area Aluminium oxide powder produced by flame hydrolysis and consisting of aggregates of primary particles, having a BET surface area of from 100 to 250 m2/g, a dibutyl phthalate absorption of from 50 to 450 g/100 g of aluminium oxide powder, which powder show... | 07/06/2010 |
| 7494541 | Kaolin pigments and methods of making the same Disclosed are methods of processing kaolin to produce two distinct grades of kaolin in a simultaneous manner. The methods involve processing kaolin by degritting a kaolin crude; subjecting the degritted kaolin crude to flotation to provide a kaolin having reduced ti... | 02/24/2009 |
| 7442281 | Kaolin products and their production There is provided a method of producing a kaolin particulate material suitable for use as an improved super-calendered filler. This method includes: (a) preparing an aqueous feed suspension of kaolin; (b) treating the kaolin of the feed suspension by attrition grind... | 10/28/2008 |
| 7416589 | Water enhancement fire retardant An air-droppable wildfire retardant composition including Lassenite N pozzolan is a natural siliceous (amorphous) mineral, consisting of the layers of diatoms and volcanic tuffs of Northern California's Cascade Range. The Lassenite pozzolan is mixed with a thickener... | 08/26/2008 |
| 7335342 | Process for the preparation of sodium silicate from Kimberlite tailing In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities foll... | 02/26/2008 |
| 7316253 | Sealant for prevention of blowout, tubeless tire, and tire tube The viscosity of a puncture-preventing sealant (7) is set in a range of 25 to 35 dPa·s, and a thixotropy index is set in a range of 6.5 to 11.0, the sealant (7) being filled in a sealant chamber (6) defined to extend along an outer periphery of... | 01/08/2008 |
| 7282236 | Hydrophobic silica Methods of making hydrophobic, pyrogenically produced silica having a tamped density, of 55 to 200 g/l. Said silica is produced by hydrophobizing pyrogenically produced silica by reaction with a halogen free silane and then compacting it with means consisting of a r... | 10/16/2007 |
| 7279037 | Process and products of chinese kaolin Disclosed are methods of processing Chinese kaolin involving providing Chinese kaolin having a desired powder size, delaminating the Chinese kaolin, pulverizing the delaminated Chinese kaolin at least two times, and heating the at least twice pulverized Chinese kaol... | 10/09/2007 |
| 7258732 | Stabilized slurry composition and method of making the same The present invention provides a high solids mineral slurry having long term stability and a method for producing the same. Specifically, the present invention provides a talc slurry having a solids content of up to 65% and a stability against sedimentation for up t... | 08/21/2007 |
| 7255843 | Low viscosity-increment fumed-silica and its slurry A fumed-silica, which can make a slurry having sufficient wettability to a polar liquid, excellent dispersibility, and low viscosity even in the high concentration, and a slurry thereof. A fumed-silica and its slurry are provided, wherein the water content is contro... | 08/14/2007 |
| 7226005 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. T... | 06/05/2007 |
| 7214264 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. T... | 05/08/2007 |
| 7151131 | Composition and media A coating composition comprising pigment, medium and a binder characterised in that (i) the binder comprises a cationic polymer comprising a repeat unit of Formula (1): wherein: | 12/19/2006 |
| 7144930 | Functionalized, structurally modified silicas Functionalized, structurally modified silicas with 3-methacryloxypropylsilyl and/or glycidyloxypropylsilyl groups on the surface are prepared by mixing the silicas with the silane and heat-treating, destructuring and grinding the mixture. The silicas are employed in... | 12/05/2006 |
| 7125432 | Method for making precipitated silica or silicate compositions and products thereof New methods of producing narrower particle size distribution precipitated silica and/or silicate materials are provided. Such a method permits a significant reduction in manufacturing costs through the utilization of more efficient drying/evaporation components, in ... | 10/24/2006 |
| 7087105 | Water enhancement fire retardant An air-droppable wildfire retardant composition including Lassenite N pozzolan is a natural siliceous (amorphous) mineral, consisting of the layers of diatoms and volcanic tuffs of Northern California's Cascade Range. The Lassnite pozzolan is mixed with a thickener ... | 08/08/2006 |
| 7037476 | Process for preparing amorphous silica from kimberlite tailing A new process is described for the preparation of free flowing hydrated amorphous silica from kimberlite tailing—a waste in diamond mining. The process comprises treating of kimberlite with acid, further reacting it with alkali solution to obtain soluble metal sil... | 05/02/2006 |
| 7014893 | Support material for recording layers A support material comprises a raw paper that may be coated on at least one side with a synthetic resin, and the raw paper or the resin coating on the raw paper is provided at least on the front side with a pigment layer wherein the pigment layer contains at least a... | 03/21/2006 |
| 6884509 | Special turf filler comprising silica particles An aggregate turf filler for use with the turf of athletic fields and landscaped areas which comprise crushed silica sand particles (SiO2) which are substantially round in shape and are sized to be between 12 and 40 mesh. An acrylic based sealer covering ... | 04/26/2005 |
| 6866712 | Reinforcing fibre material for bituminous aggregates, method for producing same and use A fibrous reinforcing material (1) is envisaged which is produced from glass filaments (2), advantageously consisting of fragments of glass yarns (3) or of chopped yarns, having a mean diameter of greater than five micrometers and a mean length ... | 03/15/2005 |
| 6814796 | Pigment products A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an... | 11/09/2004 |
| 6811600 | Chemically bulked kaolin clay pigment compatible with calcium carbonate and manufacture thereof In a process for preparing a white pigment mixture suitable for coating paper wherein a cationically bulked kaolin clay pigment is dispersed in water in the presence of an anionic dispersant and mixed with a calcium carbonate pigment, the improvement which comprises... | 11/02/2004 |
| 6808559 | Kaolin clay pigments suited to rotogravure printing applications and method for preparing the same The present invention provides kaolin clay pigments having at least the following characteristics: Brightness (GE): at least about 89.0; Shape Factor: at least about 30; Brookfield viscosity, measured at 20 rpm and at less than or equal to about 65% solids: about 10... | 10/26/2004 |
| 6761763 | Process for compacting calcined kaolin clay Calcined kaolin clay having a high bulk density, improved wet out and slurry incorporation times is produced by using pressure to compact the clay. Other properties of the compacted clay are improved or equivalent to the non-compacted starting calcined clay material... | 07/13/2004 |
| 6676743 | Lightweight clay and manufacturing method thereof The present invention provides a lightweight clay which can be easily molded into a given shape, exhibits proper lightweight characteristics and storing characteristics, and can be manufactured at a low cost, and a manufacturing method thereof. In such a ... | 01/13/2004 |
| 6660076 | High performance kaolin pigment, a paper coating color containing high performance kaolin pigment, and a method for making high performance kaolin pigment A high performance kaolin pigment, a paper coating color containing high performance kaolin pigment, and a method for making high performance kaolin pigment, the kaolin pigment being provided with improved optical and rheological properties attained by st... | 12/09/2003 |
| 6652642 | Calcined kaolin pigments having improved combination of physical and applied properties, their production and use The present invention relates to calcined kaolin products, their production, and use. More specifically, the invention relates to calcined kaolin-containing products having a median diameter particle size of from about 0.5 μm to about 10 μm, and a multi... | 11/25/2003 |
| 6630022 | Mechanical activation of granitic powders A mechanically activated pozzolan prepared from granitic quarry fines. Quarry fines are milled by a high-energy milling process to convert the essentially inert raw granitic fines into a chemically reactive state. When added to a portland cement mortar mi... | 10/07/2003 |
| 6616749 | Pigment products A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the partic... | 09/09/2003 |
| 6610136 | Pigments for ink jet paper Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then opt... | 08/26/2003 |
| 6605655 | Polyamide resin composition and process for producing the same Provided is a polyamide resin composition comprising a melt blend of (A) a polyamide resin, (B) a phyllosilicate, and (C) an olefin compound having a carboxylic acid anhydride group in the molecule or a polymer of the olefin compound, in which the phyllos... | 08/12/2003 |
| 6605146 | Systems and methods for producing and using fine particle materials Systems and methods of making and using fine particle materials in pigment blends and for using the aforementioned pigment blends in paint, coating, or coloring compositions are provided. This invention further provides systems and methods of enhancing th... | 08/12/2003 |
| 6602341 | Treating kaolinitic clays A method of treating a kaolinitic clay which is intended for use as an ingredient in a ceramic composition which method comprises the steps of: (a) mixing with the kaolinitic clay from 0.1% to 15.0% by weight, based on the dry weight of the kaolinitic clay, of... | 08/05/2003 |
| 6564199 | Kaolin clay pigments, their preparation and use A paper coating pigment manufactured from kaolin crude containing minor amounts of minerals is used in lightweight coated and ultra-lightweight coated applications. The pigments comprise a phyllosilicate assemblage of minerals that yield a final pigment M... | 05/13/2003 |
| 6554892 | Compositions and methods for making a coarse platey, high brightness kaolin product Coarse platey, high brightness kaolin products and methods for making the same, including combining a coarse kaolin fraction and a fine kaolin fraction, where each coarse or fine kaolin fraction may be produced by processing one or more crude kaolin sampl... | 04/29/2003 |
| 6537363 | Kaolin pigments, their preparation and use A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin produced from a naturally platy kaolin clay having a particle size distribution such that about ... | 03/25/2003 |
