Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7857979 | Ion exchange reactor An ion exchange apparatus includes at least one fluid passage that extends between an inlet and an outlet for transporting a fluid having ions therein. At least one cartridge includes an ion exchange material and the cartridge has an ion removal rate of removing the... | 12/28/2010 |
| 7419601 | Nanomesh article and method of using the same for purifying fluids Disclosed herein are articles for removing contaminants from a fluid, such as a liquid or gas, the article comprising carbon nanotubes, which comprise at least one molecule or cluster attached thereto or located therein, wherein the carbon nanotubes are present in t... | 09/02/2008 |
| 7341665 | Process for the treatment of contaminated water based on the use of apolar zeolites having different characteristics A process is described for the treatment of water contaminated by apolar organic compounds and/or by heavy metals, which consists in circulating the water through a system comprising at least two types of zeolites having a silica/alumina ratio >50, placed in success... | 03/11/2008 |
| 7329354 | Purification of organic solvent fluids A chemical distribution system having improved organic solvent fluid purity and consistency includes a vessel containing ion-exchange media positioned within a fluid flow pathway such that the organic solvent fluid passes through the ion-exchange media, thereby effe... | 02/12/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7309676 | Remover for heavy metals contained in water A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or more thereof is substituted with magnesium ion and calcium ion, and a... | 12/18/2007 |
| 7291274 | Method of deionising and clarifying the aqueous medium used in an electrical discharge machine and the product used in said method Deionisation and clarification process of the aqueous medium used in an electroerosion machine and product for this process, where the electroerosion machines are comprised of a purification circuit for this aqueous medium, which includes an ion exchange phase betwe... | 11/06/2007 |
| 7252767 | Hydrous zirconium oxide, hydrous hafnium oxide and method of making same The present invention features a method of making hydrous zirconium oxide having desirable properties, including resistance to moisture content, predetermined particle size, and developed porosity and surface area. The inventive material is suitable for use as an io... | 08/07/2007 |
| 7166555 | Coated ceramic catalyst supports and method Porous ceramic catalyst supports are pre-coated with a passivation layer prior to applying a catalyst or catalyst support coating, the passivation layer consisting of a coating of a liquid mixture comprising at least one coating material selected from the group of p... | 01/23/2007 |
| 7098327 | Dual-functional ion exchange resins from agricultural by-products A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid and then cationization of the lignocellulosic agricultural material wi... | 08/29/2006 |
| 7070685 | Method and device for decontaminating water which contains metal and/or is radioactively contaminated The invention relates to an efficient process and device for the decontamination of waters polluted with heavy metals, semimetals and/or radionuclides by cation exchange and electrochemical deposition of the anions. ... | 07/04/2006 |
| 7008542 | Method for mixed mode adsorption Method for the removal of a substance from an aqueous liquid by ion exchange comprising providing a liquid with said substance is present; providing an adsorption matrix which comprises at least two different ligands; contacting the liquid with the matrix under a pe... | 03/07/2006 |
| 6969466 | Purification of ammonia Highly pure aqueous solution of ammonia, typically electronics grade for use in semiconductor manufacturing is prepared by passing a solution of ammonia through at least one cation exchange resin bed to remove substantially all of the cation contaminants; subsequent... | 11/29/2005 |
| 6960302 | Fluid treatment system A fluid treatment system comprising at least two cylindrical vessels, wherein each vessel contains at least one treatment medium selected from ion exchange resins, polymeric adsorbents, inorganic adsorbents and activated carbon; each vessel has at each end a flat he... | 11/01/2005 |
| 6869537 | Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber A fiber capable of forming a metal chelate and a process for producing the same are disclosed, wherein the fiber is characterized in that at least one metal chelate-forming compound selected from the group consisting of aminocarboxylic acid, aminocarboxylic acid, th... | 03/22/2005 |
| 6511603 | Alkaline earth cation extraction from acid solution An extractant medium for extracting alkaline earth cations from an aqueous acidic sample solution is described as are a method and apparatus for using the same. The separation medium is free of diluent, free-flowing and particulate, and comprises a Crown ... | 01/28/2003 |
| 6508940 | Process for recovering onium hydroxides from solutions containing onium compounds In one embodiment the present invention is a process for recovering an onium hydroxide from a cation exchange material having onium cations adsorbed thereto which comprises (A) contacting said cation exchange material with an aqueous solution of a base se... | 01/21/2003 |
| 6488847 | Process and equipment for recovering developer from photoresist development waste and reusing it A tetraalkylammonium hydroxide (TAAH) solution recovered from a development waste through separation therefrom of impurities such as photoresist is mixed with a surface-active substance to have the surface tension thereof adjusted to a desired one, and th... | 12/03/2002 |
| 6432306 | Device for the deionization of substances that are not stable at acidic pH A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first bed consisting of ... | 08/13/2002 |
| 6426007 | Removal of soluble metals in waste water from aqueous cleaning and etching processes This invention provides a method for treating waste water containing organic bases such as tetramethyl ammonium hydroxide and dissolved metals such as Mo, W, Cu and Ni which are generated from mask cleaning and Mo etching processes. The organic base along... | 07/30/2002 |
| 6350614 | System for the ion exchange purification of hydroxylamine The invention provides a system for monitoring and controlling an exothermic reaction in an ion exchange process involving a liquid containing a composition capable of producing an exothermic reaction to control a continuous or a rapid evolution of heat a... | 02/26/2002 |
| 6296772 | Split ion exchange system and method of operating An ion exchange system for use in purifying sweetener solutions manufactured in a corn wet milling plant and a method of operating the system. The sweetener solution is passed under pressure through a plurality of ion exchange unit pairs configured to ope... | 10/02/2001 |
| 6241893 | Water filtration media, apparatus and processes An amorphous potassium aluminosilicate filtration media which may be mixed with activated carbon filters water to remove oxygen, chlorines, hardness, alkalinity, ammonia, hydrogen, hydrogen sulfide, sodium sulfite and other contaminants. The particular so... | 06/05/2001 |
| 6210885 | Modifying double stranded DNA to enhance separations by matched ion polynucleotide chromatography Covalently bound non-polar tags are used to increase the retention times of double stranded polynucleotides on Matched Ion Polynucleotide Chromatography (MIPC) columns. In doing so, separations of DNA mixture components is improved. Additionally, when the... | 04/03/2001 |
| 6200483 | Structured materials for purification of liquid streams and method of making and using same A monolithic structure having active material that includes at least inorganic ion exchange material, for purifying a liquid stream of contaminants such as heavy metals, chlorine, volatile organics, pesticides, herbicides, and/or parasites, etc. The struc... | 03/13/2001 |
| 6190637 | Method for preparing [F-18-]fluoride ion The present invention provides a method for preparing [F-18]-fluoride ion which comprises the step of bringing [O-18]-enriched water containing [F-18]-fluoride ion formed by proton irradiation of [O-18]-enriched water into contact with a strongly acidic c... | 02/20/2001 |
| 6123850 | Process for the purification of virtually anhydrous organic liquids The subject matter of the present invention is a process for the purification of a virtually anhydrous organic liquid other than DMSO alone, in order to decrease its content of alkali and alkaline-earth metal and metal cations, characterized in that it co... | 09/26/2000 |
| 6066259 | Method for the deionization of substances that are not stable at acidic pH A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first bed consisting of ... | 05/23/2000 |
| 6059857 | Ultrapurification of organic solvents A system for the ultrapurification of organic solvents comprising (1) a membrane-based vapor permeation step for selective removal of water vapor from the solvent, wherein a countercurrent sweep stream is used that has a particular partial pressure of wat... | 05/09/2000 |
| 6056878 | Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof A method and apparatus for inhibiting scaling in an electrodeionization system or in a combined reverse osmosis/electrodeionization system for water treatment and, more particularly, for increasing tolerance to hardness in the feed water to an electrodeio... | 05/02/2000 |
| 6001262 | Cascade ion exchange for high purity water production A method and system for treating and purifying water on site provides a cascade series of alternating cation and anion beds with flow control controlling flow of water in a first direction to flow through all beds in sequence, to purify the water, and con... | 12/14/1999 |
| 5976761 | Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom A process for producing a water insoluble, aqueous alkali soluble, film forming novolak resin having low metal ions, made by the fractionation of a phenol formaldehyde condensation product, a process for producing a resin a photoresist composition of supe... | 11/02/1999 |
| 5954965 | Process for producing pure water The present invention relates to a process for producing pure water having a total organic carbon content of not more than 200 ppb instantly after start of the operation of a high purity water system, comprising using as an ion exchange resin a specific s... | 09/21/1999 |
| 5951874 | Method for minimizing wastewater discharge Wastewater discharge, which is generated in an ion exchange regeneration system having a cation exchange bed and an anion exchange bed, is minimized by circulating a displacement rinse through a cation exchange bed, saving an effluent of the displacement ... | 09/14/1999 |
| 5888398 | Composition and process for separating cesium ions from an acidic aqueous solution also containing other ions A crown ether cesium ion extractant is disclosed as is its synthesis. The crown ether cesium ion extractant is useful for the selective purification of cesium ions from aqueous acidic media, and more particularly useful for the isolation of radioactive ce... | 03/30/1999 |
| 5863438 | Processes for deionization and demineralization of fluids Processes for deionization and demineralization of a fluid containing ions comprising: (a) Loading an amine or ammonia buffer onto a first weakly acidic cation exchange resin to occupy cation exchange sites and to form a first bed comprising a first amine... | 01/26/1999 |
| 5854080 | Process for separating tritiated water A process and apparatus for separating tritium from an aqueous solution that contains one or more additional dissolved radionuclides is disclosed. In accordance with the process the aqueous solution as a first liquid phase is contacted with each of three ... | 12/29/1998 |
| 5843319 | Positive-working radiation-sensitive mixture A process for producing a solution of a basic or non-basic sulfonium compound (A) of formulae II-V: ##STR1## wherein R5, R6 and R7 each independently represent a C1 -C18 alkyl, aryl or heteroaryl... | 12/01/1998 |
| 5814224 | Method for complex processing of sea-water A method for complex procesing of sea-water comprises the successive steps of mechanical filtration, calcium separation on modified zeolite, magnesium separation on weak-acid cation exchanger and processing of the resulting softened sea-water, regeneratio... | 09/29/1998 |
| 5788946 | Purification of hydroxylamine The invention provides a method for purification of hydroxylamine so as to have a substantial reduction of cations and anions. The method involves passing a solution of hydroxylamine through at least one strong acid ion exchange bed which has been pretrea... | 08/04/1998 |
