Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7682467 | High strength hot rolled steel sheet superior in workability, fatigue property, and surface quality Disclosed is a high-strength hot-rolled steel sheet containing C in a range of 0.03 to 0.15 mass %, Mn in a range of 0.5 to 2 mass %, and Al in a range of 0.01 to 0.1 mass %, respectively, while controlling S to not more than 0.02 mass % (0% included), wherein the m... | 03/23/2010 |
| 7637137 | Press forming method of formed member with flange A press forming method which can prevent a stretch-flange crack while using conventional press forming equipment at a time of press forming a formed member with flange includes steps of constructing a blank for press forming with a base body blank portion correspond... | 12/29/2009 |
| 7198848 | Two-phase glass-like carbon member and method of manufacturing the same A two-phase glass-like carbon member has, in combination, a porous glass-like carbon base, and a dense glass-like carbon surface layer formed on the porous glass-like carbon base. The porous glass-like carbon base can be formed in a large thickness. The dense glass-... | 04/03/2007 |
| 7175691 | Method of producing stainless steel by re-using waste material of stainless steel producing process A method of producing stainless steel includes the steps of melting a raw material in an electric furnace to form molten steel, and then refining the molten steel by a refining furnace to produce stainless steel in a stainless steel producing process. In the method,... | 02/13/2007 |
| 7169485 | Multilayer coating excellent in wear resistance and heat resistance A multilayer coating according to the present invention comprises an alumina coating formed, directly or through an intermediate layer, on a hard coating composed of a metallic compound formed on the base material, and the Vickers hardness of the hard coating after ... | 01/30/2007 |
| 7166367 | Titanium alloy having excellent high-temperature oxidation and corrosion resistance A titanium alloy having excellent high-temperature oxidation and corrosion resistance is disclosed which comprises, by mass, Al: 0.30–1.50%, and Si: 0.10–1.0%. Preferably, amass ratio Si/Al is not less than 1/3. More preferably, the titanium alloy further compri... | 01/23/2007 |
| 7163046 | Method and apparatus for injection molding light metal alloy The apparatus of the invention is an injection molding apparatus of a type adapted to cool a molten metal under shearing by an extrusion screw in a substantially vertical chamber into a semi-solidified slurry and then inject the semi-solidified slurry discharged fro... | 01/16/2007 |
| 7154180 | Electronic device, method of manufacture of the same, and sputtering target In an electronic device comprising a first electrodes consisting of a metal oxide and a second electrode consisting of an aluminum alloy film directly contacted and electrically connected to the first electrode, the contact interface between the aluminum alloy film ... | 12/26/2006 |
| 7150792 | Film deposition system and film deposition method using the same The present invention provides a film deposition system capable of effectively cooling a work having a large volume, and a film deposition method using this system. The film deposition system has, within a vacuum chamber 1, an evaporation source 3 for ... | 12/19/2006 |
| 7150496 | Panel structure for car body hood A hood structure comprises an outer and an inner which form a closed cross section through spaces. The inner's cross-sectional shape is a sine curve, an nth-power-raised sine curve, or a spline curve having a corrugation length approximate to an outside head diamete... | 12/19/2006 |
| 7144235 | Bearing and screw compressor A bearing comprising a resin layer, a backing strip and an intermediate layer which bonds the resin layer and the backing strip to each other is disclosed. The bearing undergoes a force from the resin layer side. A corrosion preventing layer is formed on each side f... | 12/05/2006 |
| 7131392 | Vacuum evaporator A vacuum evaporator according to the present invention comprises a vacuum chamber, a rod-like evaporation source provided to be liftable into and out of the vacuum chamber, and a work support means for supporting, relative to the evaporation source lowered into the ... | 11/07/2006 |
| 7117708 | Die set for press forming metal sheet and press forming method of metal sheet A die set for press forming a metal sheet is provided, which comprises: at least a punch; and a die, wherein a punch-die clearance CL2 corresponding to a site to be formed immediately after the initial stage of press forming and a punch-die clearance CL1 | 10/10/2006 |
| 7118809 | High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties A high-strength hot-dip galvanized steel sheet is provided which comprises a composite structure consisting essentially of ferrite and martensite. The steel comprises, by mass %, C: 0.05 to 0.12%, Si: not more than 0.05%, Mn: 2.7 to 3.5%, Cr: 0.2 to 0.5%, Mo: 0.2 to... | 10/10/2006 |
| 7104772 | Screw compressor In a screw compressor for a refrigerator, suction-side rotor shafts of screw rotors are supported rotatably by angular ball bearings for forward thrust load, an annular gap is formed between the angular ball bearings and a suction-side bearing casing, and outermost ... | 09/12/2006 |
| 7098539 | Electronic device, method of manufacture of the same, and sputtering target In an electronic device comprising a first electrodes consisting of a metal oxide and a second electrode consisting of an aluminum alloy film directly contacted and electrically connected to the first electrode, the contact interface between the aluminum alloy film ... | 08/29/2006 |
| 7097345 | Screw with heat exchange function, mixer and extruder A screw with a heat exchange function is rotatably fit in a barrel, and includes a heat exchange medium chamber located at a center section in the radial direction, running along the lengthwise direction. The chamber stores a heat exchange medium supply pipe supplyi... | 08/29/2006 |
| 7094037 | Oil-cooled compressor An oil-cooled screw compressor which can maintain the discharge temperature of discharge gas at an appropriate level is provided. The oil-cooled screw compressor comprises a compressor body, an oil separation/recovery unit disposed in a discharge path extending from... | 08/22/2006 |
| 7083320 | Kneading apparatus and method, including selectable supply ports, for kneading rubber or rubber compositions A continuous kneading apparatus and method are provided wherein discharge ports are provided at a plurality of positions of the barrel to discharge a kneaded product, and one of the plurality of the discharge ports is selected according to a desired kneading conditi... | 08/01/2006 |
| RE39222 | Process for preparing 2,6-dialkylnaphthalene A process for producing 2,6-dialkylnaphthalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphthalene isomers, monoalkylnaphthalene isomers, polyalkylnaphthalenes, and naphthalene, is provided that ... | 08/01/2006 |
| 7074254 | Binder for powder metallurgy, mixed powder for powder metallurgy and method for producing same The invention aims to provide a binder for powder metallurgy, the binder containing an epoxy resin which is liquid at room temperature and a curing agent having at least one functional group selected from the group consisting of amino, mercapto and carboxyl groups. ... | 07/11/2006 |
| 7067999 | Rotation control device of working machine In a neutral range preset, there are set a zone for stopping and holding a rotating body only by a mechanical brake, a zone for holding the body only by performing position holding control, and a zone for simultaneously exerting both effects, i.e., the effect of the... | 06/27/2006 |
| 7037388 | Steel plate for paint use and manufacturing method thereof A steel plate for paint use which contains C (0.12% or less), Si (1.0% or less), Mn (2.5% or less), P (0.05% or less), S (0.02% or less), and Cr (0.05% or less), Cu (0.05–3.0%), Ni (0.05–6.0%), Ti (0.025–0.15%), and Cu+Ni (0.50% or more), with PCM b... | 05/02/2006 |
| 7033678 | Resin coated metal sheet A resin coated metal sheet of the invention has an epoxy resin layer on a galvanized metal sheet, wherein the resin layer contains iron phosphide and at least one selected from the group consisting of aluminum triphosphate, calcium ion exchange silica and amorphous ... | 04/25/2006 |
| 7004616 | Kneading apparatus and method for kneading rubber-based composition using the same A kneading apparatus includes a barrel having a cylindrical chamber; a screw assembly rotating in the chamber so that a material to be kneaded is extruded in the axial direction by the rotation, the screw assembly including a screw section having helical blades and ... | 02/28/2006 |
| 7005194 | Aluminum alloy member superior in corrosion resistance and plasma resistance An aluminum or aluminum alloy member superior in liquid and gaseous corrosion resistance and plasma resistance, which has an anodized film formed thereon which is composed of a porous layer and a non-porous barrier layer whose structure is at least partly boehmite o... | 02/28/2006 |
| 6991370 | Temperature measuring apparatus of high melting point metal carbide-carbon system material thermocouple type, and method for producing the apparatus The temperature measuring apparatus according to the present invention is of the high melting point metal carbide—carbon system material thermocouple type. According to this temperature measuring apparatus, it is possible to measure temperatures from a room temper... | 01/31/2006 |
| 6984457 | Titanium material, production thereof, and exhaust pipe (1) A titanium material composed of a substrate of pure titanium or titanium alloy and an aluminum-containing layer formed thereon having a thickness no smaller than 1 μm and containing no less than 90 mass % aluminum or aluminum plus silicon. (2) A titanium materi... | 01/10/2006 |
| 6962161 | Method of high pressure treatment In a high pressure processing method for removing an unnecessary substrate on the surface of the surface of a workpiece by bringing it into contact with supercritical carbon dioxide and additives in a high-pressure chamber, removing the unnecessary substance on the ... | 11/08/2005 |
| 6960318 | High temperature/high pressure vessel In a high temperature/high pressure vessel for treating a workpiece placed in the interior of the vessel at a high temperature and a high pressure wherein piano wire is wound under tension round an outer periphery of a cylindrical body to apply a compressive residua... | 11/01/2005 |
| 6941774 | Optical fiber preform-heating furnace The present invention provides an optical fiber preform-heating furnace that is simple in its structure and excellent in uniformity of the temperature distribution in a circumferential direction of an optical fiber preform. The optical fiber preform-heating furnace ... | 09/13/2005 |
| 6943328 | Raw tire preheating method and apparatus therefor A raw tire-preheating method and apparatus for preheating a raw tire uniformly over all the areas with a reduced running cost. The raw tire-preheating apparatus comprises a tread section-preheating mechanism (16) including a front coil (21) disposed so... | 09/13/2005 |
| 6939621 | Plated copper alloy material and process for production thereof A plated copper alloy material for connecting terminals is provided which comprises a parent material of copper or copper alloy, a nickel layer and a copper-tin alloy layer. The nickel layer has a thickness of 0.1-1.0 μm. The copper-tin alloy layer has a thickness ... | 09/06/2005 |
| 6932872 | Heating apparatus using induction heating A heating apparatus which is installed in a low pressure CVD system or annealing equipment for use in semiconductor integrated circuit manufacturing processes for heat-treating wafers on which IC's are to be formed, wherein wafers are uniformly heated, the temperatu... | 08/23/2005 |
| 6927243 | PHOTOSETTING RESIN COMPOSITION, METAL LAMINATES HAVING LAYERS MADE FROM THE COMPOSITION, METAL MEMBERS MADE FROM THE LAMINATES AND HAVING HIGH-HARDNESS PROTECTING LAYERS AND PROCESS FOR PRODUCTION THEREOF The present invention relates to a photocurable resin composition which contains a photocurable component and forms on a substrate a photocurable resin layer having a viscosity of 1000-500,000 Pa·s at 23° C. and 65% RH. This resin composition is formed into a phot... | 08/09/2005 |
| 6919288 | Hard film for cutting tools, cutting tool coated with hard film, process for forming hard film, and target used to form hard film A hard film for cutting tools which is composed of (Ti1−a−b−c−d, Ala, Crb, Sic, Bd) (C1−eNe) 0.5≦a≦0.8, 0.06≦b, 0≦c≦0.1, 0≦d≦0.1, ... | 07/19/2005 |
| 6918947 | Method for making reduced iron A method for making reduced iron using blast-furnace sludge is provided. The method includes a mixing step of mixing the blast-furnace sludge and an iron-oxide-containing powder to prepare a mixed material, an agglomerating step of agglomerating the mixed material t... | 07/19/2005 |
| 6894202 | Method for producing 2,6-dimethylnaphthalene An object of the present invention is to provide a method for manufacturing 2,6-DMN, in which even when a mixture containing DMN isomers which includes 5 wt % or more of 2,7-DMN is used, a highly pure 2,6-DMN can be obtained. The method for manufacturing the highly ... | 05/17/2005 |
| 6890091 | Kneading apparatus, including selectable discharge ports, for kneading rubber or rubber compositions A continuous kneading apparatus and method are provided wherein discharge ports are provided at a plurality of positions of the barrel to discharge a kneaded product, and one of the plurality of the discharge ports is selected according to a desired kneading conditi... | 05/10/2005 |
| 6849231 | α-β type titanium alloy There is provided an α-β type titanium alloy having a normal-temperature strength equivalent to, or exceeding that of a Ti-6Al-4V alloy generally used as a high-strength titanium alloy, and excellent in hot workability including hot forgeability and subsequent sec... | 02/01/2005 |