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| Number | Title | Issue Date |
| 6270672 | Devices and methods for removing pathogens from biological fluids A method for removing pathogens from biological liquids and an apparatus for performing such a method, said method comprising the steps of providing a biological liquid, wherein pathogens are potentially present, in an apparatus comprising an anode and a katho... | 08/07/2001 |
| 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 |
| 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 |
| 4983267 | Water deionization and contaminants removal or degradation A method and device provide for the deionization and contaminants removal or degradation of aqueous liquids, particularly drinking water. The water is caused to flow in a first direction and while flowing it is treated so as to simultaneously effect deion... | 01/08/1991 |
| 4752363 | Effluent treatment A method of treating an organic material such as textile fibres with an alkali metal hydroxide solution including the steps of: (i) contacting the organic material with the hydroxide solution to produce an effluent comprising an alkali metal hydroxide solution... | 06/21/1988 |
| 4678553 | Renaturing reversibly denatured polypeptides and proteins by electrodialysis of solutions thereof in denaturants A process is disclosed for recovering renatured polypeptides and proteins (collectively "polypeptides") from solution thereof and/or of their S-sulfonate derivatives (collectively "solution of polypeptides") in denaturants comprising: introducing said sol... | 07/07/1987 |
| 4661224 | Process and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrier Processes and apparatuses are described for recovering components dispersed in an aqueous solution comprising contacting said solution as a first solution with an electrically conducting barrier, diaphragm or membrane which has a high affinity for at leas... | 04/28/1987 |
| 4608140 | Electrodialysis apparatus and process Apparatuses and processes are described for transferring electrolytes from one electrolytically conducting solution to another, said apparatus comprising a pair of spaced electrodes; at least one pair of spaced electrolytically conducting barriers between... | 08/26/1986 |
| 4584075 | Process and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrier Processes and apparatuses are described for recovering components dispersed in an aqueous solution comprising contacting said solution as a first solution with an electrically conducting barrier, diaphragm or membrane which has a high affinity for at leas... | 04/22/1986 |
| 4569739 | Electrofilter using an improved electrode assembly A system and method for dewatering or separating particles from a liquid or a colloidal suspension which comprises the use of an electrofilter with separated, submerged electrodes wherein the electrode used for collecting the solid particles comprises an ... | 02/11/1986 |
| 4559119 | Installation and process for the preparation of acid caseinates A milk supply pipe issues into a container. By means of a pipe (4), the container content is fed to an electrodialyzer. The electrodialyzed product is partly returned to the container.... | 12/17/1985 |
| 4549947 | Method and apparatus for dehydration of water-containing substance by electro-osmosis A method and apparatus is provided for effecting dehydration of a water-containing substance held in a receiving compartment formed in an intervening space between a cathode and an anode by means of the electro-osmotic force of a microporous membrane. The... | 10/29/1985 |
| 4536269 | Multichamber two-compartment electrodialytic water splitter and method of using same for acidification of aqueous soluble salts An apparatus is disclosed for generating an acidified aqueous salt solution and an aqueous base in a multichamber two-compartment electrodialytic water splitter which comprises alternating bipolar and first cation permselective membranes and at least one ... | 08/20/1985 |
| 4492601 | Process for clarifying and desalinating sugar cane syrup or molasses Inorganic oxy-acid and organic acid impurities are removed from raw cane sugar or molasses solutions by the steps of (1) admixing with the raw cane sugar syrup or molasses solution a water-soluble chloride of an alkaline earth metal ion which reacts with ... | 01/08/1985 |
| 4468306 | Biodic electrofiltration An electrically augmented vacuum filtration apparatus and process wherein a suspension of solids is dewatered in a bath located between electrodes of opposite polarity with intermediate biodes (a biode being in a sense a combined anode and cathode structu... | 08/28/1984 |
| 4351710 | Fractionation of protein mixtures This invention relates to the separation of complex protein mixtures by lowering (desalting) or by raising (salting-out) their electrolytic (ionic) concentration by electrodialysis followed by chilling, pH adjustment, filtration, and/or centrifugation and... | 09/28/1982 |
| 4322275 | Fractionation of protein mixtures This invention relates to the separation of complex protein mixtures by lowering (desalting) or by raising (salting-out) their electrolytic (ionic) concentration by electrodialysis followed by chilling, pH adjustment, filtration, and/or centrifugation and... | 03/30/1982 |
| 4295950 | Desalination with improved chlor-alkali production by electrolyticdialysis An electrodialysis cell and process for desalination of aqueous brine with concomitant improved production of chlor-alkali, using a novel porous structure, the interconnected micro-pores of which are filled with an alkali metal amalgam, which may function... | 10/20/1981 |
| 4210502 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 07/01/1980 |
| 4177119 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 12/04/1979 |
| 4146455 | Process for treating whey A process for treating liquid whey is disclosed in which raw whey is first partially demineralized by electrodialysis and then subjected to forced flow electrophoresis to effect the separation of lactose and a simultaneous increase in the percentage solid... | 03/27/1979 |
| 4146456 | Process for adjusting the ash balance of cow's milk and other milks and simultaneously removing minerals from the same Cow's milk and/or its analogues are demineralized and the ash balance thereof adjusted with ion-exchange membrane electrodialysis apparatus. The method comprises demineralizing cow's milk or its analogues in a first stage consisting of one or more of elec... | 03/27/1979 |
| 4123342 | Ultrafiltration and electrodialysis method and apparatus A combination electrodialysis method and apparatus comprising ultrafiltration membrane cell pairs interposed between a cation-selective membrane and an ion-nonselective membrane. The solution to be treated is fed to one side of the ultrafiltration membran... | 10/31/1978 |
| 4113588 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 09/12/1978 |
| 4049519 | Carbonate reduction Reduction of carbonate concentrations in cyanide-containing electroplating baths and congeneric solutions using an electrolytic cell, equipped with cation permselective membranes, by the selective addition of hydrogen ions whereby the carbonate ions are c... | 09/20/1977 |
| 4036717 | Method for concentration and purification of a cell liquor in an electrolytic cell Disclosed is a method and apparatus for the concentration and purification of a cell liquor containing sodium or potassium hydroxide wherein the three compartment electrolytic cell has a porous catalytic anode, a porous asbestos diaphragm separating the a... | 07/19/1977 |
| 3963567 | Electrolyticdialysis Sea water is deionized with simultaneous production of caustic soda, chlorine, and hydrogen by a novel electrodialysis process wherein sodium and chlorine ions are separated from said sea water, and said ions, while separated from each other, are electric... | 06/15/1976 |
