Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7288180 | Electric current control method and apparatus for use in gas generators The invention provides a method and apparatus for current control in gas generators capable of generating a fluorine or fluoride gas by and in which the electrolysis can be maintained in an optimum condition, stable operation is possible and no manpower is demanded.... | 10/30/2007 |
| 7060652 | Gas sensor A liquid electrode mixture for use in a gas sensor having from about 60 to about 240 milligrams of platinum black catalyst; from about 900 to about 1100 milligrams of water; from about 300 to about 400 microliters of 1-propanol; and from about 100 microliters to abo... | 06/13/2006 |
| 6942946 | Positive electrode for non-aqueous electrolyte secondary battery and method of producing the same Disclosed is a positive electrode for a non-aqueous electrolyte secondary battery, comprising: a positive electrode mixture layer; and a positive electrode current collector which carries the positive electrode mixture layer, with the positive electrode mixture laye... | 09/13/2005 |
| 6478934 | Motorized frame for adjusting the interelectrodic gap in mercury cells The invention concerns a motorized device for adjusting the interelectrodic gap in mercury cathode electrolysis cells, mainly consisting of a frame, to which a number of anodes are suspended, movable in the vertical direction by means of a single jackscre... | 11/12/2002 |
| 6306279 | Anode cathode distance adjustment device A device for adjusting the distance between the anode and the cathode of an electrolytic cell having a compartment, at least one anode partially disposed in a molten metal producing salt bath and a layer of molten metal above a cathode. The device include... | 10/23/2001 |
| 6287448 | Electrochemical production of lithium using a lithium amalgam anode A process for producing metallic lithium starting from an aqueous solution of at least one lithium salt comprises the following steps: (I) Production of a lithium amalgam from an aqueous solution of at least one lithium salt; and (II) Electrolysis using an ano... | 09/11/2001 |
| 6251235 | Apparatus for forming an electrical contact with a semiconductor substrate The present invention is directed to an apparatus for plating a surface of a semiconductor workpiece (wafer, flat panel, magnetic films, etc.) using a liquid conductor that makes contact with the outer surface of the workpiece. The liquid conductor is sto... | 06/26/2001 |
| 5695630 | Method and apparatus for adding mercury ions to a fluid sample This invention relates to apparatus for adding mercury ions to a sample fluid within a flow-through sensor system comprising housing means in fluid connection with a main sample stream conduit via a semi-permeable part (2.11), a first electrode (2.8) loca... | 12/09/1997 |
| 5641388 | Method and apparatus for electrolyzing by using vertical circulating capillary tube type mercury bundled electrode An electrolyzing apparatus using a circulating capillary tube type mercury bundled electrode is disclosed, in which the advantage of mercury that it has a high overpotential for hydrogen evolution reaction compared with the general solid metals is preserv... | 06/24/1997 |
| 5531868 | Advanced electrorefiner design A combination anode and cathode for an electrorefiner which includes a hollow cathode and an anode positioned inside the hollow cathode such that a portion of the anode is near the cathode. A retaining member is positioned at the bottom of the cathode. Me... | 07/02/1996 |
| 5472577 | Fluid pumping system based on electrochemically-induced surface tension changes A pump for exerting a pumping force on a fluid in an attached conduit, the pump being actuated by a voltage from a power supply, the pump comprising a liquid metal pool, a containment vessel for confining the pool, an inner tubular member in hydraulic con... | 12/05/1995 |
| 5443705 | Electrorefiner An apparatus capable of functioning as a solid cathode and for removing crystalline structure from the upper surface of a liquid cathode, includes a metallic support vertically disposed with respect to an electrically insulating container capable of holdi... | 08/22/1995 |
| 4938854 | Method for purifying quaternary ammonium hydroxides A process for treating solutions of quaternary ammonium hydroxide containing latent halide to lower the latent halide content of the solution comprises the steps of (A) providing an electrolytic cell comprising an anode and a cathode wherein the cathode c... | 07/03/1990 |
| 4917781 | Process for preparing quaternary ammonium hydroxides A process is described for preparing quaternary ammonium hydroxides of improved purity. In one embodiment, the present invention relates to a process of preparing quaternary ammonium hydroxides from the corresponding quaternary ammonium salts in an electr... | 04/17/1990 |
| 4880506 | Electrorefining process and apparatus for recovery of uranium and a mixture of uranium and plutonium from spent fuels An electrorefining process and apparatus for the recovery of uranium and a mixture of uranium and plutonium from spent fuel using an electrolytic cell having a lower molten cadmium pool containing spent nuclear fuel, an intermediate electrolyte pool, an a... | 11/14/1989 |
| 4834849 | Metal recovery method and apparatus An apparatus for recovering a conductive metal from a liquid which contains that metal, and a method for recovering that metal using that apparatus. The apparatus includes a generally closed non-metallic container defining a cavity, for containing the liq... | 05/30/1989 |
| 4773980 | Process and apparatus for sealing cathodic bars in a prestressed condition The invention concerns a process and an apparatus for applying prestresses to carbonaceous cathodic blocks in the operation of sealing the cathodic bar in position with cast iron. The block (1) in the course of the sealing operation is lifted on two rolle... | 09/27/1988 |
| 4668368 | Method and apparatus for extraction of amalgamatable metals from a slurry A metal amalgamatable with mercury, gold in particular, is extracted from a slurry in which it is dispersed in low concentration, in particular from alluvial sands, by contact with mercury the surface of which is continuously freed of the sulfides which f... | 05/26/1987 |
| 4664760 | Electrolytic cell and method of electrolysis using supported electrodes Disclosed are electrolytic cell and method in which first and second electrodes are adapted to pass a current through an inter-electrode zone of specified dimension for containing electrolyte, wherein the first electrode is held free from support by inter... | 05/12/1987 |
| 4628291 | Full range oil expulsion fuse An oil expulsion fuse having a pair of contacts solidly secured to the ends of a high strength outer insulating tube. A resilient non-conducting inner sleeve is mounted within the bore of the insulating tube and contact assembly, the sleeve and tube being... | 12/09/1986 |
| 4505796 | Electrolytic reduction cells An electrolytic reduction cell for the production of molten metal by electrolysis of a molten electrolyte, which is less dense than the molten metal includes a generally rectangular shell, one or more suspended anodes and a floor structure which supports ... | 03/19/1985 |
| 4504366 | Support member and electrolytic method Disclosed is an electrolytic cell including means for holding a first electrode in position relative to a second electrode to form an inter-electrode zone of specified dimension for containing electrolyte, wherein the first electrode is held essentially f... | 03/12/1985 |
| 4475994 | Method and apparatus for separating oxygen from a gaseous mixture A process and apparatus is provided for separating oxygen from a mixture of gases such as air. The apparatus includes an electrochemical cell that includes a cathode, an anode and an electrolyte. Oxygen in the air is reduced to the superoxide ion (O2... | 10/09/1984 |
| 4448660 | Monitoring apparatus A monitoring and control apparatus for flowing mercury electrolytic cells by measurement of the voltage drop in the shunted feed line of each electrode group comprising taps at the ends of a measured section of electrical bus bars for each electrode group... | 05/15/1984 |
| 4440614 | Inlet end box brine pipe baffle In a flowing mercury cathode electrolytic cell for the electrolysis of aqueous solutions there is provided an improved brine flow baffle insertable into the brine inlet trough.... | 04/03/1984 |
| 4427519 | Mercury cathode electrolytic cell having protective shield A protective shield adjacent the electrolyzer container and electrolyzer cover for a flowing mercury chlor-alkali electrolytic cell is provided to serve as a stop to prevent retaining means utilized to hold the electrolyzer cover in position from being pr... | 01/24/1984 |
| 4410403 | Electrolysis method An electrolysis method involving electrolyzing, between anodic and cathodic surface areas, a compound dissolved in a solvent. A liquid cathodic body is located in a region such that it is possible for waves in the body to touch anodic surface area. The im... | 10/18/1983 |
| 4400247 | Method of producing metals by cathodic dissolution of their compounds Metals and metalloids are produced by cathodically dissolving compounds thereof in electrolytic cells. These cells have one or more heterogenous bipolar electrodes in series, with a terminal electrode as cathode and another terminal electrode as a soluble... | 08/23/1983 |
| 4362606 | Process for simultaneous recovery of vanadium, molybdenum and gallium from alumina factory aluminate liquors The invention relates to a new a method for simultaneous recovering vanadium, molybdenum and gallium from alumina factory aluminate liquors. The recovering is carried out in one step by electrolyzing an alumina factory aluminate liquor a temperature excee... | 12/07/1982 |
| 4303491 | Apparatus for cleaning the bottom of electrolytic mercury cathode cells An apparatus is disclosed for cleaning the bottom of mercury cathode electrolytic cells or the like, usable in closed cells which are cut off from the power supply and maintained under suction, characterized in that said apparatus consists essentially of ... | 12/01/1981 |
| 4283263 | Cover for electrolytic cells An electrolytic cell for electrolysis of an aqueous sodium chloride solution is provided with a closure for its open side which is resistant to degradation by chlorine and ozone. The cover has an external elastomeric layer which is stable when exposed to ... | 08/11/1981 |
| 4212721 | Equipment for regulating, monitoring, optimizing and operating, and for displaying data in, alkali metal chloride electrolysis plants Equipment for controlling, monitoring, determining the most effective operating conditions and operating, and for displaying data in, alkali metal chloride electrolysis plants which are operated by the amalgam process, wherein the equipment has, for each ... | 07/15/1980 |
| 4199418 | Mercury recovery system in electrolytic process A process for making alkali hydroxide and chlorine in a plurality of electrolytic cells of the amalgam type, wherein a decomposer is provided for each cell and wherein alkali metal amalgam formed in the cell is reacted with water in a companion decomposer... | 04/22/1980 |
| 4177128 | Cathode element for use in aluminum reduction cell An improved cathode element for use in a metal, e.g., aluminum reduction cell, said cathode element comprising an elongated hollow body, the lower end of which is affixed to or imbedded in the floor of the cell, the upper end of which terminates proximate... | 12/04/1979 |
| 4155829 | Apparatus for regulating anode-cathode spacing in an electrolytic cell An improved method and apparatus for adjusting the space between an adjustable anode and a cathode in an electrolytic cell wherein current measurements and voltage measurements are obtained for conductors to the anode sets and compared with predetermined ... | 05/22/1979 |
| 4152237 | Deflected flow inlet system for mercury cells A deflected flow inlet system for use in mercury-type electrolytic cells to help prevent inlet flow from jumping the inlet channel and splattering the mercury cathode onto the anodes.... | 05/01/1979 |
| 4152226 | Process and apparatus for monitoring amalgam electrolysis cells The sodium concentration in the amalgam of an electrolysis cell is automatically monitored by periodically removing an amalgam sample of predetermined quantity from the end compartment of the electrolysis cell, introducing the sample into a reference cell... | 05/01/1979 |
| 4100053 | Flexible cover for a chlorine cell An improved flexible sheet elastomer cover for sealing the electrolyte tank of a De Nora type chlorine generating cell. Elastomer materials of different compositions are used for the opposite surfaces of the cover with the inside surface composed of a chl... | 07/11/1978 |
| 4087343 | Flexible cover of a platy-filled composition for an electrolytic cell A flexible elastomeric cover particularly for an electrolytic cell of the mercury type. The cover has at least one layer comprised of a corrosion resistant elastomeric composition including a vulcanized rubbery polymer to resist deleterious fluids and a m... | 05/02/1978 |
| 4082639 | Method and apparatus for mercury cell anode adjustment A method and apparatus for obtaining signals from the anode buses of a mercury cell to provide automatic protection against short circuits, visual readouts, and computer information. A multiplexer is associated with each cell which scans the signals from ... | 04/04/1978 |
