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| Number | Title | Issue Date |
| 8071067 | Processes for making stable ferric chloride solutions Processes for forming ferric chloride solutions that are stable at relatively low temperatures and suitable for transportation without precipitation are provided. The stable ferric chloride solutions have an iron content of about 16 to about 23 weight percent and a ... | 12/06/2011 |
| 7419602 | Selenium removal from water A process for removing selenium from a water stream, in particular a waste water stream, by: 1) the addition thereto of a ferric salt, followed by 2) the addition of a cupric salt and pH adjustment to a pH value in the range of from about 6.5 to about 8.0, thereby f... | 09/02/2008 |
| 7413664 | Selenium removal process A process for removing selenium from an aqueous stream using a supported sulfur material, to convert selenocyanate to selenite, followed by removal of the selenite from the aqueous stream. ... | 08/19/2008 |
| 7261872 | Method for producing metal fluoride materials A method of producing nano metal fluoride powders comprising the steps of mixing an aqueous or organic continuous phase comprising at least one metal cation salt with a hydrophilic or organic polymeric disperse phase forming a metal cation salt/polymer gel and then ... | 08/28/2007 |
| 7208324 | Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film It is an object to provide a liquid composition for forming a thin film, with which a ferroelectric thin film having excellent characteristics can be prepared even by baking at a low temperature, and a process for producing a ferroelectric thin film using it. The ab... | 04/24/2007 |
| 7166261 | Method of patterning products using chemical reaction A method of patterning magnetic material includes forming a ferromagnetic material layer containing one element selected from the group consisting of Fe, Co and Ni on a substrate, selectively masking a surface of the ferromagnetic material layer, and making nonferro... | 01/23/2007 |
| 7105136 | Controlled morphogenesis of copper salts In a method for preparing copper salts from at least one cupriferous and one additional reactant, the reactants are used to prepare micro-emulsions while employing at least one block polymer, the intermediate products obtained this way are mixed and reacted together... | 09/12/2006 |
| 7087209 | Method for producing a halide brine A method for producing halide brine wherein an alkali and a reducing agent are added to an aqueous fluid having a density greater than 8.30 lb/gal., (0.996 kg/L) water, waste water or sea water for example. The resulting fluid is then contacted with a halogen to for... | 08/08/2006 |
| 6933417 | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent A process for producing vinyl chloride monomer from ethylene and ethane having input of significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is only partially recovered from the... | 08/23/2005 |
| 6923947 | Method of making ferric chloride with reduced amounts of hydrochloric acid for water treatment The present invention involves a system and method of making ferric chloride with reduced amounts of hydrochloric acid for water treatment. The method comprises preparing a reactant batch comprising ferric oxide and hydrochloric acid at a predetermined molar ratio. ... | 08/02/2005 |
| 6808695 | Process for continuously producing aluminum from clays A process for purifying solid crude aluminum chloride, containing iron impurities, includes the steps of mixing iron with the crude aluminum chloride and reactively subliming and desubliming the mixture. A process for continuous production of metal chlorides include... | 10/26/2004 |
| 6776928 | Conductive coating composition The invention relates to an electrically conductive powder coating composition having anti-static properties comprising metallic fibers. Further, the coating composition shows effective EMF shielding. Very good results are found when the metallic fibers have an L/D ... | 08/17/2004 |
| 6770255 | Process for chlorine recovery The specification discloses a process for recovering chlorine from a chlorinator waste. The process involves treating the chlorinator waste with oxygen in a fluidised bed under conditions which promote the conversion of metal chlorides to metal oxides and discourage... | 08/03/2004 |
| 6733738 | Method and device for the continuous production of NaAlCl4 or NaFeCl4 The invention relates to a method and a device for the production of NADCl4 in which D is aluminium or iron, where, in a first reaction step, a melt of aluminium or iron is reacted with chlorine gas to give gaseous metal halide, and this is subsequently r... | 05/11/2004 |
| 6602482 | Separation of metal chlorides from their suspensions in chlorosilanes A process for separating metal chlorides from a suspension of metal chlorides in chlorosilanes, in which the suspension is filtered under pressure in the absence of air and moisture forming a filter cake, which is granulated and passed to a dissolution zo... | 08/05/2003 |
| 6524546 | Process for making calcium chlorides A new process for producing calcium chloride and other metal halides from the carbonates, bicarbonates, oxides of these metals. The process utilizes the discovery that hydrogen halides, when used in a true or conventional fluidizing medium in shallow beds... | 02/25/2003 |
| 6511646 | Treatment of iron chloride from chlorination dust A process for producing chlorine and iron oxide from iron chloride (which may be generated as a by-product of the direct chlorination of titaniferous ores) comprises the steps of converting ferrous chloride to ferric chloride by reaction with chlorine, se... | 01/28/2003 |
| 6352676 | Abatement of F2 using small particle fluidized bed A process for destroying fluorine in a gas containing such fluorine by contacting the gas with a fluidized bed of metal particles capable of reacting with such fluorine wherein the metal particles have a particle size essentially no greater than approxima... | 03/05/2002 |
| 6231822 | Recovering chloride and sulfate compounds from spent potliner A method of recovering chloride and sulfate salts from spent potliner using acid digestion.... | 05/15/2001 |
| 6210650 | Process for regenerating hydrochloric acid from pickling plants In order to reduce pollutants in the waste gas of regeneration plants for spent hydrochloric acid from pickling plants a process is provided, comprising the thermal decomposition of iron chloride in the spent pickling acid to iron oxide and gaseous hydroc... | 04/03/2001 |
| 6159442 | Use of multiple stream high pressure mixer/reactor Processes for use of a controlled continuous high pressure multiple reactant streams flowing into a chemical mixer/reactor. Individual reactant streams are pressurized to about 8,000 to 50,000 psi and achieve velocities up to about 250 meters/second in th... | 12/12/2000 |
| 5935545 | Process for producing an aqueous solution comprising ferric chloride The present invention provides a process for preparing an aqueous solution of FeCl3. The process involves the steps of: (a) reacting an ore material comprising titanium and iron with chlorine and coke to form a metal chloride vapor stream compr... | 08/10/1999 |
| 5916447 | Method for water treatment A method for treatment of water in which an aqueous solution containing a freshly made polymerised iron substance is produced, the produced polymerised iron substance is aged sufficiently long to provide for efficient treatment of water, and the aqueous s... | 06/29/1999 |
| 5861133 | Synthetic chalcoalumite compounds and process for producing thereof A synthetic chalcoalumite compound represented by the formula (1) (Zna-x2+ Mx2+)Al43+ (OH)b (An-)c.mH.sub.2 O (1) wherein M2+... | 01/19/1999 |
| 5853692 | Process for manufacturing high purity nickel chloride by recycling waste nickel anode A process for manufacturing nickel chloride is disclosed which is used as the raw material for manufacturing Zn--Ni coated steel plates, for electroless Ni plating industries, for electronic components, and for a high purity chemical additive Ni powder. T... | 12/29/1998 |
| 5681593 | Method and composition for treating psoriasis, seborrheic dermatitis and eczema Psoriasis, seborrheic dermatitis and eczema are treated by oral administration of inorganic nickel compound(s), with or without inorganic bromide(s). In an especially preferred embodiment, the nickel compound used to treat these diseases is NiBr2. | 10/28/1997 |
| 5527515 | Production of concentrated aqueous solutions of ferric chloride 35% to 45% by weight concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) reacting chlorine with an aqueous solution of ferrous chloride, in the presence of a recyc... | 06/18/1996 |
| 5455017 | Production of concentrated aqueous solutions of ferric chloride 35% to 45% by weight concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) reacting chlorine with an aqueous solution of ferrous chloride, in the presence of a recyc... | 10/03/1995 |
| 5433954 | Method and composition for treating psoriasis, seborrheic dermatitis and eczema Psoriasis, seborrheic dermatitis and eczema are treated by oral administration of inorganic nickel compound(s), with or without inorganic bromide(s). In an especially preferred embodiment, the nickel compound used to treat these diseases is NiBr2. | 07/18/1995 |
| 5422091 | Production of concentrated aqueous solutions of ferric chloride Concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) digesting iron with a dilute aqueous solution of hydrochloric acid until such acid has essentially been consume... | 06/06/1995 |
| 5328670 | Method of treating nickel-containing etching waste fluid A method of regenerating an etching waste fluid, includes the steps of dissolving HCl gas in an etching waste fluid at a temperature falling within a range of 20° C. to 50° C. and crystallizing NiCl2 and FeCl2 crystals, the etching... | 07/12/1994 |
| 5300268 | Process for the manufacture of aqueous solutions of ferric chloride A process for the manufacture of an aqueous solution of ferric chloride including the steps of introducing an aqueous solution of hydrochloric acid into a reactor containing a bed of fragments of an oxide-containing iron ore so that the aqueous solution o... | 04/05/1994 |
| 5279641 | Method for concurrent production of copper powder and a metal chloride A novel method is proposed for concurrently producing a metallic copper powder and a valuable chloride of a metal other than copper, e.g., manganese, zinc, cobalt, nickel and tin, from a depleted aqueous etching solution containing copper (II) chloride as... | 01/18/1994 |
| 5277889 | Method for depositing pure metal halide compositions Metal halide compositions of enhanced purity are produced by vapor phase deposition via reactions involving organometallic starting materials in a process wherein a carbon getter is provided in the reaction zone and/or adjacent the developing metal halide... | 01/11/1994 |
| 5250276 | Method for preparing ferric chloride A method for preparing anhydrous ferric chloride from a hydrous solution containing ferric chloride that contains organic substances and/or ferrous chloride. In the method, water is removed from a ferric-chloride water solution or a solution, in which at ... | 10/05/1993 |
| 5171581 | Method and composition for treating psoriasis Psoriasis molecules are treated by administering non-toxic pharmaceutically acceptable solutions (topically, orally or by I.V.) of a composition containing nickel with a bromide carrier.... | 12/15/1992 |
| 5122508 | Coprecipitation process for preparing raw material powder for Y1 Ba2 Cu3 Ox oxide superconductor A process for preparing a bulk powder for an oxide superconductor which comprises mixing an alcohol solution (I) of a copper nitrate and a lanthanoid metal nitrate with an alcohol solution (II) comprising at least one compound selected from the group cons... | 06/16/1992 |
| 5120523 | Method for dissolution of metal A metal is dissolved by a method which comprises establishing contact of the metal with a quaternary ammonium compound and a halogenated hydrocarbon or with a quaternary ammonium compound, a halogenated hydrocarbon, and a polar solvent.... | 06/09/1992 |
| 5118489 | Production of concentrated aqueous solutions of ferric chloride Concentrated aqueous solutions of ferric chloride, directly useful as flocculating agents in a variety of water treatments, are prepared by (a) reacting chlorine, advantangeously a stoichiometric amount of chlorine, with an aqueous solution of ferrous chl... | 06/02/1992 |
| 5064632 | Process for partial oxidation of FeCl2 to FeCl3 There is provided a process for the partial oxidation of solid ferrous chloride and the complete oxidation of all carbon that is present with molecular oxygen at 350° C. to 675° C., to produce ferric oxide and ferric chloride vapor without producing ele... | 11/12/1991 |
