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| Number | Title | Issue Date |
| 8088355 | Transitional alumina particulate materials having controlled morphology and processing for forming same An alumina particulate material is disclosed, including particles comprising transitional alumina having an aspect ratio of not less than 3:1 and an average particle size of not less than about 75 nm. Also disclosed are fabrication techniques based on seeded process... | 01/03/2012 |
| 7332088 | Method of water purification The invention provides a method for the removal of biological species, such as Cryptosporidium, from water using aluminium based media which contains surface Al—OH groups. ... | 02/19/2008 |
| 7307033 | Method for producing α-alumina particulate A method for producing an α-alumina particulate is described. The method for producing an α-alumina particulate comprises steps of (Ia) and (Ib), or a step of (II): (Ia) removing water from a mixture containing water, a seed crys... | 12/11/2007 |
| 7294184 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus Provided is an ink jet ink containing a coloring material having a buffer region in an ink use range, the ink jet ink being capable of suppressing the occurrence of the deterioration (dissolution) of a heating portion surface in contact with liquid; and the disconne... | 11/13/2007 |
| 7285159 | Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus Provided is an ink jet ink comprising at least a coloring material comprising a compound represented by the general formula (I) or a salt thereof; and a compound represented by the general formula (II). Thereby, there can be provided an ink jet ink that provides ima... | 10/23/2007 |
| 7270701 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus An ink jet ink is provided with which metallic luster appearing in printing on a recording medium, i.e. the bronze phenomenon is kept from occurring and good images can be obtained. The ink jet ink includes at least a coloring material which is a compound represente... | 09/18/2007 |
| 7265075 | Hydro-refining catalyst, carrier for use therein and method for production thereof A method for producing a hydrorefining catalyst of the present invention has a step of preparing an aluminum solution containing phosphorus in a molar ratio of 0.001 to 0.05 with respect to aluminum; a step of neutralizing the prepared aluminum solution to produce a... | 09/04/2007 |
| 7259129 | Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof A high activity and high selectivity silver catalyst comprising silver and, optionally, one or more promoters supported on a suitable support material having the form of a shaped agglomerate. The structure of the shaped agglomerate is that of a hollow cylinder havin... | 08/21/2007 |
| 7255901 | Recording medium for ink and method for producing the same A recording medium for ink, capable of rapidly absorbing large amounts of ink, showing excellent color forming ability and capable of suppressing image deterioration caused by dye displacement that occurs when an image is stored in humid conditions and image deterio... | 08/14/2007 |
| 7247600 | Catalyst composition There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n... | 07/24/2007 |
| 7247193 | Ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus A second ink to be used in combination with a first ink for use in an ink jet recording apparatus having a first opening to which the first ink is supplied, a second opening to which the second ink is supplied, and a cover member with which the first opening and the... | 07/24/2007 |
| 7244478 | Recording medium having ink-receiving layer and method of manufacturing the same A method of manufacturing a recording medium with an excellent productivity is provided. The method provides a recording medium having excellent ink absorbency and coloring property and includes an ink-receiving layer in which a binder is restricted and controlled. ... | 07/17/2007 |
| 7241332 | Ink jet yellow ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus To provide an ink jet yellow ink to be used in combination with ink excellent in light resistance and environmental gas resistance with a color fading balance with respect to light and an environmental gas between the inks uniformized. The ink jet yellow ink is an i... | 07/10/2007 |
| 7232786 | Catalyst composition There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n... | 06/19/2007 |
| 7232600 | Recording medium, image-forming method employing the same, process for producing the same An ink-jet recording medium having at least a light-reflecting layer and a dye-fixing layer formed in this order on a base material in a multilayer structure, wherein the light-reflecting layer contains two or more pigments different in chemical composition, and whe... | 06/19/2007 |
| 7232918 | Catalyst composition There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n... | 06/19/2007 |
| 7223716 | Ceramic support capable of supporting a catalyst, a catalyst-ceramic body and processes for producing same A ceramic support capable of supporting a catalyst comprising a ceramic body having fine pores with a diameter or width up to 1000 times the ion diameter of a catalyst component to be supported on the surface of the ceramic body, the number of the fine pores being n... | 05/29/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7208446 | Quasi-crystalline boehmites containing additives The present invention pertains to a quasi-crystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group of alkaline earth metals, alkaline metals, rare earth metals, transiti... | 04/24/2007 |
| 7176160 | Method for forming a Fischer-Tropsch catalyst using a boehmite support A method is provided for forming a highly active Fischer-Tropsch catalyst using boehmite having a particular crystallite size. In this method, a support material comprising boehmite is contacted with a catalytic metal-containing compound to form a catalyst precursor... | 02/13/2007 |
| 7150862 | Method of manufacturing powder A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry containing agglomerated particles of a synthetic material which is produ... | 12/19/2006 |
| 7101528 | High pH dispersible nano-aluminas A process for producing nano sized boehmite aluminas which are stable at alkaline pH values wherein an aqueous medium of a peptized boehmite alumina is treated with a water dispersible polycarboxylic acid polymer and optionally with an organic water dispersible base... | 09/05/2006 |
| 7090825 | Alumina agglomerates and preparation method thereof The invention relates to alumina agglomerates of the type obtained by dehydrating an aluminium oxyhydroxide or hydroxide, agglomerating the alumina thus obtained, hydrothermally treating the agglomerates and calcinating same. Said agglomerates are characterised in t... | 08/15/2006 |
| 7049451 | Carrier of catalyst for production of epoxide, catalyst for production of epoxide, and method for production of epoxide A carrier for use in the catalyst for the production of an epoxide is obtained by preparing a carrier precursor containing (a) α-alumina, (b) silicon or a compound thereof, and (c) at least one element selected from the class consisting of germanium, tin, lead, pho... | 05/23/2006 |
| 7033418 | Method and materials for purifying hydride gases, inert gases, and non-reactive gases A process for removing trace amounts of moisture and/or one or more impurities from contaminated hydride, inert and non-reactive gases, thus decreasing the concentration of the impurities to parts-per-billion (ppb) or parts-per-trillion (ppt) levels. The gas purifie... | 04/25/2006 |
| 7012038 | Paraffin dehydrogenation catalyst One aspect of the invention relates to a dehydrogenation catalyst composite containing alumina, chromium oxide, lithium oxide, and sodium oxide. The invention also relates to methods of making the dehydrogenation catalyst composite. Another aspect of the invention r... | 03/14/2006 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 6965006 | Metal alkoxide polymers A method of synthesizing metal alkoxide polymers is provided, for use, as an example, in synthesizing hybrid organic/inorganic materials with low optical absorption for optical applications. The method involves a plurality of acidolysis steps involving acidolysis of... | 11/15/2005 |
| 6960336 | Method of producing low soda alumina, low soda alumina produced by the method and method of producing porcelain A method of producing alumina having a low soda content and excellent sintering properties includes the steps of adding a soda removal agent to alumina source material and calcining the alumina source material in a calciner (2), using a dust collector (5 | 11/01/2005 |
| 6926875 | Porous material process of producing the porous material, catalyst for purifying exhaust gas comprising the porous material, method of purifying exhaust gas Disclosed are a porous material comprising particles without substantial fibrous structure and having pores, the pores having a mean pore diameter in a meson-pore region, sharp pore size distribution, and at least a part of the pores being connected three-dimensiona... | 08/09/2005 |
| 6884406 | Process for preparing an alumina composition Disclosed is a process for preparing an alumina composition having high specific surface area and large pore volume, comprising preparing a reaction mixture having a given molar ratio between a monobasic acid and water by the use of an aluminum source such as acid-c... | 04/26/2005 |
| 6761866 | Single step process for the synthesis of nanoparticles of ceramic oxide powders The present invention relates to a single step process for the synthesis of nanoparticles of phase pure ceramic oxides of a single or a multi-component system comprising one or more metal ions. The process comprises preparing a solution containing all the required m... | 07/13/2004 |
| 6740621 | Attrition resistant Fischer-Tropsch catalyst and support A catalyst support having improved attrition resistance and a catalyst produced therefrom. The catalyst support is produced by a method comprising the step of treating calcined γ-alumina having no catalytic material added thereto with an acidic aqueous solution hav... | 05/25/2004 |
| 6589908 | Method of making alumina having bimodal pore structure, and catalysts made therefrom A method for making alumina having a pore structure characterized by the absence of macropores, no more than 5% of the total pore volume in pores greater than 350 Ã…, a high pore volume (greater than 0.8 cc/g measured by mercury intrusion) and a bi-modal ... | 07/08/2003 |
| 6576204 | Process for the production of alumina A process for the production of alumina is performed by dissolving gibbsite Al2 O3.3H.sub.2 O in nitric acid to provide an acid solution containing aluminum nitrate; decomposing the acid solution at 300-700° C. with a free air suppl... | 06/10/2003 |
| 6551572 | Modified aluminas and the use thereof in FCC catalysts A modified alumina is useful as metals passivator in fluidizable catalytic cracking catalysts. The modified alumina is prepared from a hydrated alumina, e.g., gibbsite, which is reacted with a low-molecular weight organic acid, e.g., acetic acid, forming ... | 04/22/2003 |
| 6548037 | Aluminium polychlorosulphates, process for their preparation and use thereof Aluminum polychlorosulphates having the general formula (I) Al(OH)l Clm (SO4)n Mp (I) where M represents an alkali metal l, m, n, p represent the number of moles per mole of aluminum, so that 1.74ࣘlࣘ2.25, 0.01à£... | 04/15/2003 |
| 6518219 | Catalyst for hydrorefining fraction oils, its carrier and preparation A catalyst for hydrofining fraction oils, comprises an alumina carrier and at least one metal and/or thereof oxide of Group VIB and at least one metal and/or thereof oxide of Group VIII supported on said alumina carrier. The pore volume of said alumina ca... | 02/11/2003 |
| 6511642 | Porous material, catalyst, method of producing the porous material and method for purifying exhaust gas Disclosed are a porous material comprising particles without substantial fibrous structure and having pores, the pores having a mean pore diameter in a meso-pore region, sharp pore size distribution, and at least a part of the pores being connected three-... | 01/28/2003 |
| 6461584 | Process of making -alumina powder An admixture of hydrated alumina and an organic acid surfactant is calcined in an oxygen-depleted atmosphere, cooled before exposing it to air, comminuted and then centrifuged to produce nanometer-grade superfine -alumina powder.... | 10/08/2002 |
