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 |
| 8157984 | Process for sewage water purification Process and apparatus to remove colloids and nitrogen compounds from contaminated water by coagulating the colloids and separating them from the water. The water is then continuously oxidized with chlorine electrolytically to destroy the nitrogen compounds. ... | 04/17/2012 |
| 8133382 | Method for electrocoagulation of liquids An electrocoagulation treatment device includes a plurality of spaced reaction plates disposed within a reaction chamber. A voltage is applied to selected reaction plates to create an electrical field within the electrocoagulation chamber. The plates are arranged ve... | 03/13/2012 |
| 8062501 | Neutral electrolytic water, neutral electrolytic water production method and device thereof A device and method are provided for producing neutral electrolytic water usable in a wide range of fields and stable over long periods of time. In this invention, neutral electrolytic water is produced by an electrolysis process that applies a voltage of 1 volt to ... | 11/22/2011 |
| 8007653 | Method and appartus for operation of pool cleaner with integral chlorine generator An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be cleaned, and an integral electrochemical chlorine generator mounted in... | 08/30/2011 |
| 7947164 | Aircraft with grey-water utilisation system A grey-water utilisation system for an aircraft for treating grey water from the lavatory basins to become odourless clear water used for flushing the toilets. Freight compartment drainage can be by way of drainage valves embedded in the fuselage, or alternatively, ... | 05/24/2011 |
| 7758742 | Method and apparatus for separation of water from petroleum products in an electrocoagulation process An electrocoagulation treatment device includes a plurality of spaced reaction plates disposed within a reaction chamber. A voltage is applied to selected reaction plates to create an electrical field within the electrocoagulation chamber. The plates are arranged ve... | 07/20/2010 |
| 7731834 | Method for mixing additives into and electrolyzing contaminated liquids A method and apparatus for mixing chemical additives into contaminated liquids and electrolyzing contaminated liquids includes the positioning of a vibratable element, such as a metal spring, within a cylindrical liquid conduit. A treatment additive is introduced in... | 06/08/2010 |
| 7704373 | Waste fluid or waste water treatment method and its apparatus A method for electrochemical oxidation decomposition of difficult to decompose compounds such as aromatic compounds, organic chlorine compounds, agricultural chemicals, dioxin, PCB's and water soluble polymers that are contained in waste fluid, such as print develop... | 04/27/2010 |
| 7413667 | Water decontamination apparatus and method A process and apparatus for water purification has a stationary electrode opposing a movable electrode which are positioned about a passageway for the water to be purified. The stationary electrode and movable electrode form an arc gap, and the arc gap is fed with a... | 08/19/2008 |
| 7404902 | Method for treating water A composition for treating water contained in enclosures, such as swimming pools, spas, whirlpool tubs and cooling towers, which includes at least one boron compound, cyanuric acid, at least one mineral remover and at least one clarifier is provided. A composition a... | 07/29/2008 |
| 7396441 | Flow-through oxygenator An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution sup... | 07/08/2008 |
| 7374655 | Electrochemical water purifier An electrolytic water purification system and method use provides a water filtration device with a plurality of electrolytic cells having anodes and cathodes specifically selected to remove contaminants from water. The device is capable of efficiently removing nearl... | 05/20/2008 |
| 7374656 | Combined electrochemical system for scale treatment and eradicating bacteria in water supply systems A combined electrochemical system for scale treatment and eradicating bacteria in water supply systems having: (a) a first electro-chemical cell including: (i) a first metallic tank for receiving a water supply and forming a cathode of the first electro-chemical cel... | 05/20/2008 |
| 7361263 | Water treatment apparatus and method A water treatment apparatus includes a storage unit storing water to be treated including a pharmaceutical drug, an apply unit applying the water to be treated to the storage unit, an addition unit adding into the water to be treated metal salt generating halide ion... | 04/22/2008 |
| 7353634 | Methods of utilizing waste waters produced by water purification processing The invention relates to disposing of unwanted waste waters produced from purifying water. The methods of the present invention include applying waste water containing 0.15% by weight of the salts of Na, K, Ca, Mg, Fe, Cl, SO4, and CO3 and mixt... | 04/08/2008 |
| 7338586 | Vibratingly stirring apparatus, and device and method for processing using the stirring apparatus An insulated vibration-stirring apparatus comprising a vibration generating means containing a vibration motor and a vibrating member attached to that motor, and a vibrating rod attached by an installation piece to allow vibration linked with the vibration generatin... | 03/04/2008 |
| 7335291 | Water treating method, water treating apparatus, and hydroponics system using the apparatus There are provided a water treating method and water treating apparatus which can significantly improve an effect of eliminating microorganisms contained in water intended for drinking and cooking or waster water and a hydroponics system using the apparatus. The met... | 02/26/2008 |
| 7331179 | System and method for production of hydrogen A technique is disclosed for a system and method for combined production of power and hydrogen utilizing the heat from a first working fluid heated by a geothermal energy source using a steam generator and an electrolyzer designed to receive the steam produced by th... | 02/19/2008 |
| 7322065 | Washing machine and method of controlling the same A disinfecting washing machine includes a disinfecting liquid dispenser, a drive unit and a control unit. The disinfecting liquid dispenser supplies a disinfecting liquid to disinfect laundry. The drive unit outputs first and second voltages to determine a concentra... | 01/29/2008 |
| 7311824 | Fine particle separation treatment system and cyclone separator The present invention provides a fine particle separation treatment system containing: a storage tank for storing a solution; a solution circulating passageway for circulating the solution in the storage tank, a cyclone separator disposed in the solution circulating... | 12/25/2007 |
| 7309442 | Fluid treatment method A fluid treatment system for reducing odor, bacteria, and biological oxygen demand from a fluid having at least one tube, a control box, and a pump. The at least one tube has a plurality of conductors in electrical communication with the control box. The control box... | 12/18/2007 |
| 7306711 | Electrolytic generation of nitrogen using azole derivatives The invention provides electrolytes for the electrochemical generation of nitrogen gas by anodic oxidation of triazole and tetrazole derivatives. Electrolytic cells incorporating these electrolytes are also disclosed. The nitrogen gas so produced may be useful to ac... | 12/11/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7291314 | Activated water apparatus and methods An apparatus subjects water to waves from an RF plasma. This allows continuous production of “activated water” characterized by cluster sizes below about 4 molecules per cluster, water having pH below 4 or above 10, or water having ORP of less than −350 mV or ... | 11/06/2007 |
| 7270182 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 09/18/2007 |
| 7252752 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 08/07/2007 |
| 7244348 | System and method for treatment of ballast water A system and method for treating ballast water within an ocean going vessel by generating hypochlorite for treating the ballast water. The system comprises one or more hypochlorite electrolytic cells in fluid communication with a stream of ballast water. A chlorine ... | 07/17/2007 |
| 7244360 | Water treatment process The present invention provides a physical water treatment (PWT) method and apparatus to treat liquid coolants. Electrodes (22, 24) are provided in a coolant stream (21), and an alternating voltage is applied across the electrodes (22, 24) to pro... | 07/17/2007 |
| 7241373 | Nitrogen treating method There is provided a nitrogen treating method capable of treating nitrogen compounds efficiently. The method is a nitrogen treating method of treating nitrogen compounds in for-treatment water by electrolysis and performs a first treating step of producing ammonia fr... | 07/10/2007 |
| 7241390 | Method and system for biologic decontamination of a vessel's ballast water A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating current, and parallel perforated electrodes, for providing an effective a... | 07/10/2007 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7238287 | Method for providing safe, clean chlorinated recreational water A solid formulation for use with sodium chloride and a chlorine generator to provide safe, clean chlorinated recreational water. The formulation comprises a chlorine stabilizing agent and a phosphate remover agent. An enhanced salt comprising a chlorine stabilizing ... | 07/03/2007 |
| 7238271 | Method for treating organic wastewater containing aminopolycarboxylic acid The present invention provides a method for treating a wastewater which enables one to treat a difficultly biodegradable wastewater, particularly an organic wastewater containing aminopolycarboxylic acids to substantially decrease COD at a low cost, in which the met... | 07/03/2007 |
| 7232507 | High volumetric efficiency electrochemical cell design for treatment of low concentrations of contaminants in low conductivity water An electrochemical cell design is disclosed for the particular application of the electrochemical treatment of contaminants in water. The cell is designed to allow the treatment of low concentrations of contaminants in low conductivity water efficiently, and to be s... | 06/19/2007 |
| 7169287 | Decomposition apparatus and decomposition method A decomposition apparatus that decomposes a decomposition target is provided. The decomposition apparatus includes a decomposition chamber having a decomposition section that continuously decomposes the decomposition target, an introducing device that continuously i... | 01/30/2007 |
| 7169235 | Cleaning method and polishing apparatus employing such cleaning method A method is suitable for cleaning substrates, after polishing, that require a high degree of cleanliness, such as semiconductor wafers, glass substrates, or liquid crystal displays. The method includes polishing a substrate using an abrasive liquid containing abrasi... | 01/30/2007 |
| 7163664 | Methods and devices for dispensing a potable product liquid An apparatus subjects water to waves from an RF plasma. This allows continuous production of “activated water” characterized by cluster sizes below about 4 molecules per cluster, substantially bacteria free water and controlled pH. The basic frequency of the pla... | 01/16/2007 |
| 7163615 | Method of treating substance to be degraded and its apparatus There is provided a method of treating a substance to be degraded comprising the steps of: degrading the substance to produce a degraded product; contacting the product obtained in the degrading step with a liquid; and entrapping a component of the product not trapp... | 01/16/2007 |
| 7160434 | Therapeutic electrolysis device An electrolysis device is provided. The electrolysis device includes an ionizer unit having first and second plate assemblies that each provide a different surface area that is contacted by water when the unit is in use. The plate assemblies may each provide a diffe... | 01/09/2007 |