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 |
| 7344629 | Selectable ion concentrations with electrolytic ion exchange An apparatus to treat an influent solution comprising ions to obtain a selectable ion concentration in an effluent solution. The apparatus comprises an electrochemical cell comprising a housing comprising first and second electrodes. A water-splitting ion exchange m... | 03/18/2008 |
| 7311837 | Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is dissolved. The process is improved in that the suspension is decanted, the cl... | 12/25/2007 |
| 7217349 | Method of separating multivalent ions and lactate ions from a fermentation broth The invention pertains to a method of separating multivalent ions and lactate ions from a fermentation broth comprising a multivalent ion lactate salt by using an electrodialysis or electrolysis apparatus, comprising the steps of introducing the broth wherein the mu... | 05/15/2007 |
| 6787021 | Purification of onium hydroxides by electrodialysis This invention relates to a process for improving the purity of an aqueous onium hydroxide solution. In particular, the invention relates to a process for improving the purity of aqueous onium hydroxide solutions containing undesirable amounts of anions. The inventi... | 09/07/2004 |
| 6755951 | Electrodialysis of salts for producing acids and bases An electrodialysis cell is operated in the presence of organic compounds that binds or chelates with the multivalent metals to form a metal chelating buffer. Among other things, this binding or chelating reduces power consumption, produces a stable cell operation, a... | 06/29/2004 |
| 6551803 | Method for purification of amino acid containing solutions by electrodialysis A process is described for purifying an amino acid-containing solution by means of electrodialysis, wherein an amino acid-containing solution is employed which is obtained from the fermentation for producing at least one amino acid.... | 04/22/2003 |
| 6541228 | Electrodialysis methods for purification and recovery of gluconic acid derivatives A process for purifying and concentrating a gluconic acid derivative, such as 2-keto-L-gulonic acid, comprising introducing a non-viable and/or acidified fermentation medium or an in-vitro reactor medium comprising at least the gluconic acid derivative an... | 04/01/2003 |
| 6527932 | Methods for producing or purifying onium hydroxides by means of electrodialysis Methods of preparing or purifying onium hydroxides of the elements N, S or P by electrodialysis involve an electrodialysis apparatus comprising one or more cell units, each cell unit comprising a bipolar membrane and an anion-selective membrane, and a bip... | 03/04/2003 |
| 6495013 | Bipolar membrane electrodialysis of multivalent metal salts whose corresponding base is insoluble Bipolar membrane electrodialysis methods for salt splitting polyvalent metal salts, where the metal cation can form substantially insoluble precipitates in the presence of hydroxyl ions can now be used in recovering acid and base values from a salt stream... | 12/17/2002 |
| 6482305 | Electrodialysis water splitting process An electrodialysis water splitting processes incorporates a chromatographic separation step using an amphoteric ion exchange resin to remove contamination salts from a salt solution feedstream and a base product solution. When the chromatographic column i... | 11/19/2002 |
| 6319382 | Fermentative production and isolation of lactic acid A method for fermentation of lactic acid from a sugar-containing fermentation liquid in a fermentor by means of lactic acid-forming bacteria, in which whey protein is present or is added as a nutrient substrate for the lactic acid-forming bacteria, wherei... | 11/20/2001 |
| 6294066 | Apparatus and process for electrodialysis of salts An apparatus and the process produces salts by an electrodialysis operation. The basic electrodialysis apparatus is a cell having a number of compartments separated by membranes. A DC source is connected to drive a current through a feed stream passing th... | 09/25/2001 |
| 6217743 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering an onium compound from waste solutions or synthetic solutions containing the onium compound and impurities including the steps: contacting the waste solution or synthetic solutio... | 04/17/2001 |
| 6217733 | Bipolar membrane and method for fabricating such bipolar membrane A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate a... | 04/17/2001 |
| 6187570 | Electrodialysis methods for purification and recovery of gluconic acid derivatives A process for purifying and concentrating a gluconic acid derivative, such as 2-keto-L-gulonic acid, comprising introducing a non-viable and/or acidified fermentation medium or an in-vitro reactor medium comprising at least the gluconic acid derivative an... | 02/13/2001 |
| 6110342 | Process for production of amino acid hydrochloride and caustic via electrodialysis water splitting The invention uses a stack of three compartment electrodialysis cells in a process for the production amino acid hydrochloride and an alkali. The electrodialysis cell contains bipolar, cation and anion membranes which are arranged to form acid, base and s... | 08/29/2000 |
| 6024855 | Electrosynthesis of hydroxylammonium salts and hydroxylamine using a mediator In one embodiment, the present invention relates to a method of preparing a hydroxylammonium salt, involving the steps of: providing an electrochemical cell containing an anode, a cathode, and a divider positioned between the anode and the cathode, to def... | 02/15/2000 |
| 6004445 | Electrochemical methods for recovery of ascorbic acid The present invention relates to electrochemical methods for the recovery of ascorbic acid from an ascorbate salt without the co-generation of a waste salt stream and while maintaining high conductivity of the electrochemical cell thereby providing for qu... | 12/21/1999 |
| 5993629 | Regenerating of acids, particularly of strong organic acids, using bipolar membranes An electrodialysis method using a bipolar membrane (BP) for regenerating acids, wherein a series of base (B), acid (A) and salt (S) compartments are provided between a positive electrode (anode) and a negative electrode (cathode), said compartments being ... | 11/30/1999 |
| 5980724 | Method of electrochemically producing epoxides Described is a method of electrochemically converting -halohydrins, e.g., 1-chloro-2-hydroxypropane and 1,3-dichloro-2-hydroxypropane, to epoxides, e.g., propylene oxide and epichlorohydrin. An electrolytic cell is provided having (1) a catholyte c... | 11/09/1999 |
| 5968338 | Process for recovering onium hydroxides from solutions containing onium compounds In one embodiment, the present invention relates to a process for recovering an onium hydroxide from a solution containing an onium compound, including contacting the solution with a cation exchange material so that at least a portion of onium cations fro... | 10/19/1999 |
| 5951845 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering an organic hydroxide from waste solutions containing the organic hydroxide and impurities including the steps: contacting the waste solution with a metal ion scavenger to remove ... | 09/14/1999 |
| 5910237 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering organic hydroxide from contaminated solutions containing the organic hydroxide and impurities including charging the contaminated solution to a first electrochemical cell contain... | 06/08/1999 |
| 5904829 | Method of converting amine hydrohalide into free amine Describes a method of electreochemically converting amine hydrohalide, e.g., amine hydrochloride, into free amine, e.g., free ethyleneamine. An electrolytic cell is provided having (1) a catholyte compartment containing a cathode assembly comprising a cat... | 05/18/1999 |
| 5904823 | Methods of purifying hydroxylamine solutions and converting hydroxylamine salts to hydroxylamine In one embodiment, the present invention provides a method of preparing hydroxylamine from a hydroxylammonium salt solution, including providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and an anion selective mem... | 05/18/1999 |
| 5888368 | Process for manufacturing an aqueous sodium hydroxide solution Process for manufacturing sodium hydroxide by the electrodialysis of sodium carbonate in an electrodialysis cell having three compartments, in which an aqueous sodium carbonate solution is introduced into a compartment of the cell which is bounded between... | 03/30/1999 |
| 5876579 | Electrodialysis treatment A process for reducing the content of organic and inorganic halogen in an aqueous solution of a nitrogen-containing epihalohydrin-based resin, in which process the aqueous resin solution is subjected to an electrodialysis treatment. The aqueous resin solu... | 03/02/1999 |
| 5853555 | Synthesis of onium hydroxides from onium salts The present invention provides a process for preparing onium hydroxide from a corresponding onium salt and for purifying onium hydroxide including providing an electrochemical cell containing a cathode, an anode, a divider and a bipolar membrane, the bipo... | 12/29/1998 |
| 5849167 | Method for making a bipolar membrane Process for the manufacture of a bipolar membrane, according to which an anionic membrane is joined side by side to a cationic membrane, the membranes having been subjected beforehand to a conditioning pretreatment, the conditioning pretreatment of the an... | 12/15/1998 |
| 5833832 | Preparation of onium hydroxides in an electrochemical cell A process is described for preparing onium hydroxides from the respective onium salts and for purifying onium hydroxides in an electrochemical cell. In one example, the present invention relates to a process for preparing onium hydroxides from the corresp... | 11/10/1998 |
| 5814498 | Process for the recovery of organic acids and ammonia from their salts A process recovers organic acid and ammonia from their salts preferably obtained from microbial fermentation of a saccharide in a nutrient. The fermented materials is passed through a nanofiltration or a chelating resin ion-exchange bed or a combination o... | 09/29/1998 |
| 5788826 | Electrochemically assisted ion exchange A electrochemical cell for removing ions from a solution stream comprises a housing having first and second electrodes. At least one water-splitting ion exchange membrane is positioned between the electrodes, the water-splitting membrane comprising (i) a ... | 08/04/1998 |
| 5772013 | Method and apparatus for producing di- and more highly oxidized carboxylic acids A method is disclosed for producing di- and more highly oxidized carboxylic acids from a compound selected from a first group consisting of carbohydrates, carbohydrate derivatives and carbohydrate derivatives having more than one primary alcohol group, co... | 06/30/1998 |
| 5766439 | Production and recovery of organic acids A process is described for producing organic acids such as lactic acid. The process includes the steps of producing lactic acid by fermentation, resulting in an aqueous fermentation broth containing lactic acid, and adding a calcium base, such as calcium ... | 06/16/1998 |
| 5753097 | Process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and a bipolar membrane... | 05/19/1998 |
| 5746920 | Process for purifying dairy wastewater A process and apparatus for purifying lactose-containing wastewater. The process comprises first treating the wastewater with base. The treated wastewater is then introduced into a fermenter where the lactose present in the wastewater is fermented to form... | 05/05/1998 |
| 5725749 | Process for the separation of lactulose The invention relates to a process for the separation of lactulose from a mixture of lactulose and lactose in the presence of a weak acid capable of reversibly forming a complex with lactulose, by using an electrodialysis equipment including an anode and ... | 03/10/1998 |
| 5720865 | Process for the preparation of keto compounds Keto compounds are prepared by a condensation reaction in which an enolate is formed, and then a protonation in which the free keto compound is produced. In accordance with the invention, both condensation and protonation are carried out in one step by el... | 02/24/1998 |
| 5709790 | Electrochemical process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and an anion selective... | 01/20/1998 |
| 5709789 | Electrochemical conversion of nitrogen containing gas to hydroxylamine and hydroxylammonium salts The present invention relates to a method of preparing hydroxylamine in an electrochemical cell, comprising the steps of: providing an electrochemical cell comprising an anode, a cathode, a bipolar membrane positioned between the anode and the cathode, th... | 01/20/1998 |
