Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7267874 | Cobalt encapsulated nickel hydroxides and basic carbonates for battery electrodes A process for producing a cobalt III encapsulated nickel hydroxide or basic nickel carbonate product including the steps of: (i) providing an ammoniacal solution including cobalt ammine complexes and nickel II ammine complexes; | 09/11/2007 |
| 7081554 | Oxo process The Oxo Process that recycles its cobalt primarily as cobalt salt is improved by concentration of the cobalt salt solution from the demetalling section and the addition of a separation step for organic acid and water. This allows for a higher reuse of acid in the pr... | 07/25/2006 |
| 6835228 | Process of recovering valuable metals from waste secondary batteries A process of recovering metals from waste lithium ion/Ni—H/Ni—Cd batteries, wherein the waste batteries are calcined and sieved to generate an ash containing metals and metal oxides. The process includes subjecting the ash to a first dissolution etching treatmen... | 12/28/2004 |
| 6800260 | Processes for treating iron-containing waste streams Processes for treating iron containing waste streams are provided. According to these processes, metal-containing compounds, particularly iron oxides are produced. These methods may, for example, be used in the processing of the waste streams from the chlorination o... | 10/05/2004 |
| 6767529 | Process for producing magnetite particles This invention relates to a process for producing magnetite particles having a coercivity of 6.366 kA/m to 10.345 kA/m (=80 to 130 Oe) and an octahedral particle shape, comprising heating an alkaline component and an iron(II) component in the form of an aqueous solu... | 07/27/2004 |
| 6576205 | Method for reducing the crystallinity of nickel hydroxide powders A process for decreasing the crystallinity of nickel hydroxide by generating and supplying large numbers of heteronuclei into the nickel hydroxide producing reaction system. Nickel sulfate and sodium hydroxide are initially forcefully and intimately combi... | 06/10/2003 |
| 6514311 | Clean process of recovering metals from waste lithium ion batteries A process of recovering metals from waste lithium ion batteries, wherein the waste batteries are calcined and sieved to generate an ash containing metals and metal oxides. The invented process includes subjecting the ash to a dissolution etching treatment... | 02/04/2003 |
| 6337132 | Layered rock salt-type oxide particle powder and process for producing the same The present invention provides a lithium nickel-layered rock salt-type oxide particle powder, a lithium cobalt-layered rock salt-type oxide particle powder or a particle powder of a solid solution of these layered rock salt-type oxides, wherein the surfac... | 01/08/2002 |
| 6261526 | Nickel recovery process and compositions for use therein A process for the recovery of nickel from a nickel containing ore in which the ore, particularly a laterite ore, is initially leached with an aqueous acid solution, after which the nickel is precipitated as nickel hydroxide by adding a hydroxide to the aq... | 07/17/2001 |
| 5976218 | Process for the recovery of nickel A process for the recovery of nickel from a nickel containing ore in which the ore, particularly a laterite ore, is initially leached with an aqueous acid solution, after which the nickel is precipitated as nickel hydroxide by adding a hydroxide to the aq... | 11/02/1999 |
| 5861131 | Process for producing nickel hydroxide The present invention provides a process for producing nickel hydroxide particles characterized by forming nickel hydroxide particles by continuously supplying an aqueous solution containing a nickel salt and an aqueous solution of an amino acid or salt t... | 01/19/1999 |
| 5855858 | Process for the recovery of nickel and/or cobalt from an ore or concentrate A process for the extraction of Ni/Co values from an ore or concentrate comprises the steps of subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide, copper and sulphate ions to obtain a... | 01/05/1999 |
| 5487779 | Corrosion inhibiting pigment composition and method A method of preparing a (Me)bis-hydrogen cyanamide composition with enhanced corrosion preventive activity, wherein Me is a divalent metal selected from the group consisting of nickel and cobalt or mixtures thereof. The method includes precipitating Ni(OH... | 01/30/1996 |
| 5443619 | Process for extracting metals from solution A process for extracting iron, copper, and nickel from a solution containing iron, copper, nickel, and at least one contaminent selected from the group comprising magnesium, aluminum, calcium and sodium, wherein each of said solutes is present at its resp... | 08/22/1995 |
| 5431892 | Process for recovering valuable metal from waste catalyst A process for recovering valuable metals from a waste catalyst based on an alumina carrier includes (a) roasting the waste catalyst at a temperature range of 400° to 1,000° C. to obtain a roasted product; (b) preparing a reduction dissolution by dissolv... | 07/11/1995 |
| 5266297 | Liquid oxidizing method and apparatus A liquid oxidizing system has a closed circuit in which a liquid containing matter to be oxidized is circulated. The circuit is provided with an ejector for forming a jet stream of the liquid into which oxygen, or both oxygen and an oxidizing catalyst are... | 11/30/1993 |
| 5211933 | Method for preparation of LiCoO2 intercalation compound for use in secondary lithium batteries Methods are described for the low temperature preparation of the spinel LiMn2 O4 and layered LiCoO2 phases which are intercalable compounds of interest for use in lithium secondary batteries. These phases can be prepared i... | 05/18/1993 |
| 5202294 | Low pressure drop regeneration of a catalyst A process and apparatus for the regeneration of spent FCC catalyst in a single vessel are disclosed. In one embodiment, catalyst is at least partially regenerated in a primary stage comprising a fast or turbulent fluidized bed. The flue gas is discharged ... | 04/13/1993 |
| 5130107 | Minimizing cobalt catalyst loss in the production of alcohols by hydroformylation of olefins Cobalt is recovered from the oil/water mixed reaction product of oxonation by increasing the carbon dioxide level in the reaction product and adjusting the temperature to enhance the carbon dioxide level in the oil water phase to promote the formation of ... | 07/14/1992 |
| 5102633 | Method for reducing impurities in hexammine cobalt halide compounds A method for reducing impurity levels of calcium, magnesium and/or silicon in hexammine cobalt halide compounds involves the addition of ferric ions and, optionally, soluble fluorides to an aqueous hexammine cobalt (III) chloride solution having a pH of a... | 04/07/1992 |
| 5017536 | Catalyst regeneration including method of introducing oxygen into fluidized bed A method of introducing oxygen-containing gas into a fluidized bed of cracking catalyst particles through a plurality of nozzles which are arranged in the underside portion of the catalyst bed. One aspect of the invention comprises positioning at least on... | 05/21/1991 |
| 4943418 | Method of preparing high-purity manganese compounds In a method of preparing high-purity manganese compounds, wherein the method comprises adding a member selected from ferromanganese and metallic manganeses to an aqueous electrolyte-containing solution, dissolving said member while stirring and maintainin... | 07/24/1990 |
| 4868144 | Process to reduce NOx emissions from a fluid catalytic cracking unit A multistage process for reducing NOx in flue gas from fluid catalytic cracking catalyst regeneration. Flue gas is preferably removed after each stage. NOx formed in each regeneration stage is converted to N2 prior to disc... | 09/19/1989 |
| 4793979 | Process for chemical separation of phosphorus ore The present invention is depicting a chemical separation of phorphorus ore. Phosphorus ore, especially calcareous and clacareous-sillicious phosphorus ore can be effectively converted into several products through chemical separation, which consists of tw... | 12/27/1988 |
| 4778590 | Decalcification of hydrocarbonaceous feedstocks using amino-carboxylic acids and salts thereof A process is disclosed for the removal of metals contaminants, particularly calcium, from hydrocarbonaceous feedstocks. The process comprises mixing the feedstock with an aqueous solution of a metals sequestering agent, particularly amino-carboxylic acids... | 10/18/1988 |
| 4764284 | Process for removing of heavy metal from water in particular from waste water Process for removing Sr and heavy metals from water in particular from waste water by throughly mixing it with a solution of an alkali metal carbonate and/or hydrogen carbonate in a reactor containing a fluidized bed of suitable bed material. The obtained... | 08/16/1988 |
| 4657752 | Process for preparing ferrous carbonate A process for the production of ferrous carbonate is provided wherein a mixture of an alkali metal bicarbonate and a ferrous compound such as a ferrous salt in solution is heated to a temperature in the range of about 100° C. to about 300° C. for a suff... | 04/14/1987 |
| 4631140 | Ferrimagnetic particles and their preparation Ferrimagnetic particles which are useful as magnetic material for magnetic recording media and consist of a core of a magnetic material exhibiting multiaxial anisotropy and a coating which surrounds the core and is composed of a magnetic material possessi... | 12/23/1986 |
| 4588572 | Process for preparing aqueous cobalt (II) carbonate slurries, and slurries so produced A cobalt carbonate slurry and method for making same is described. The method comprises steps of reacting a water-soluble cobalt (II) salt with a water-soluble carbonate in aqueous solution in an inert atmosphere to form the desired cobalt carbonate and a... | 05/13/1986 |
| 4563213 | Extraction and stripping cobalt values A process is disclosed for extracting cobalt values from an aqueous solution containing cobalt and other metal values and stripping the resulting organic solution with an aqueous ammoniacal solution.... | 01/07/1986 |
| 4419246 | Removal of heavy metal ions Heavy metal ions bonded to complexing agent can be precipitated from waste streams with a combination of a magnesium ion, calcium hydroxide and peroxygen compound.... | 12/06/1983 |
| 4401630 | Process for cobalt recovery from mixed sulfides The metal content of nickel-cobalt mixed sulfide slurries is recovered by atmospheric oxidation leaching, thereafter removing dissolved copper by metathesis with further mixed sulfide feed, treating the filtrate after liquid-solids separation with ammonia... | 08/30/1983 |
| 4394357 | Separation of cobalt and nickel by oxidative precipitation with peroxymonosulfuric acid The invention relates to the preferential precipitation of cobalt from aqueous acidic sulphate solutions of nickel and cobalt. The separation is carried out by introducing at least a stoichiometric amount of Caro's Acid containing no more than a small amount o... | 07/19/1983 |
| 4329169 | Method for producing cobalt metal powder Fine particle size cobalt metal powder is prepared absent tailings by heating an aqueous solution of soluble cobaltic ammine halide to a temperature of at least about 120 degrees centigrade for a sufficient period of time to decompose said cobaltic ammine... | 05/11/1982 |
| 4329320 | Method and treatment of a gaseous mixture of ammonia, carbon dioxide and water vapor A method of condensing a gaseous mixture of ammonia carbon dioxide gas and water vapor to produce an ammonium carbonate solution with minimum formation of ammonium carbamate includes passing the gaseous mixture into a condenser and cooling the condensing ... | 05/11/1982 |
| 4209489 | Apparatus for treating spent hydrochloric acid Apparatus for treating spent hydrochloric acid from a galvanizing pickling bath wherein the spent acid is neutralized with ammonium hydroxide and aerated to form a solution of ammonium chloride with suspended iron oxides and hydroxides. The ammonium chlor... | 06/24/1980 |
| 4176160 | Process for purifying a zinc sulfate solution Process for purifying an iron containing zinc sulfate solution which comprises precipitating iron from said solution as a slurry in at least one of the following forms at a pH which is maintained lower than 4: basic sulfate, jarosite or goethite; filterin... | 11/27/1979 |
| 4150092 | Process for recovering vanadium values from acidic chloride solutions The present invention provides a method for recovering vanadium from ferruginous chloride solutions by liquid-liquid extraction (or liquid ion exchange). Such chloride solutions are obtained in the extraction of vanadium from vanadiferous residues arising... | 04/17/1979 |
| 4146572 | Simultaneous extraction of metal values other than copper from manganese nodules This invention provides a two-stage leaching procedure for manganese nodules for obtaining directly from a second leaching stage a substantially pure stream of copper free of other metal values, the other metal values, including manganese, nickel and coba... | 03/27/1979 |
| 4126663 | Process for recovering vanadium values from acidic sulfate solution A process for the recovery of vanadium from acid sulfate solutions such as those derived by sulfuric acid leaching of industrial residues such as spent hydrodesulfurization catalysts, fly ash and furnace bottom ash in which magnesium oxide, hydroxide or c... | 11/21/1978 |
