Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8282705 | Method for recovering metals from a spent catalyst composition A method is provided for recovering metals from a spent catalyst composition containing an organic contaminant and catalytically active metals on a catalyst support. The metals are leached from the spent catalyst composition by adding under stirring an ionic liquid.... | 10/09/2012 |
| 8268038 | High temperature leaching process A method of conducting a bioleaching process including the steps of forming a main heap, culturing at least one microorganism which exhibits bioleaching activity in a predetermined temperature range, monitoring the temperature in the main heap, which is a result, at... | 09/18/2012 |
| 8118907 | Methods and systems for leaching a metal-bearing ore for the recovery of a metal value A system and method for recovering a metal value from a metal-bearing ore material are provided. A metal-bearing ore can be mixed with certain substances and to form an agglomerated ore. In an intermediate state, between agglomeration and heap formation, bacteria ca... | 02/21/2012 |
| 7308738 | Releasable fastener systems and processes A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e... | 12/18/2007 |
| 7195834 | Metallized conducting polymer-grafted carbon material and method for making A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 03/27/2007 |
| 7192649 | Passivation layer on aluminum surface and method thereof A protective passivation layer is formed on the surface of an aluminum mass, such as bare aluminum particles, creating a protected aluminum mass. Formation of the protective layer onto the aluminum mass may occur from an in-situ process. ... | 03/20/2007 |
| 7189380 | Extraction of metals with diquaternary amines Selective extraction of one or more metal anions from an aqueous solution, by contacting the aqueous solution with an organic solution including a diquaternary amine, wherein the diquaternary amine has two diquaternary nitrogens spaced at a distance of less than abo... | 03/13/2007 |
| 7175930 | Conducting polymer-grafted carbon material for fuel cell applications A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 02/13/2007 |
| 7166144 | Interlaced series parallel configuration for metal solvent extraction plants An interlaced series parallel configuration for the extraction of metal values from an metal value containing aqueous is a special series parallel configuration wherein the stripped organic is first contacted in a second extraction stage with the partially copper de... | 01/23/2007 |
| 7146690 | Releasable fastener system A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e... | 12/12/2006 |
| 7140081 | Releasable fastener system A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof whereas the hook portion includes a support and a plurality of closely spaced upstanding hook elements exte... | 11/28/2006 |
| 7087100 | Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele... | 08/08/2006 |
| 7069690 | Compositions and methods for removing pollutants from contaminated wafer with a fern plant Processes and materials for phytoremediating water-containing sites which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to accumulate pollutants from contaminated water-containing sites having an aqueou... | 07/04/2006 |
| 7065920 | Contaminant removal by additional ferns Processes, methods, materials and compositions for phytoremediating contaminated waters, which have been contaminated with pollutants such as arsenic. Fern plants that include Pteris and non-Pteris fern plants can be used to accumulate pollutants from ... | 06/27/2006 |
| 7066982 | Contaminant removal by ferns via foliar-application and excised/ground fronds Processes, methods, materials and compositions for phytoremediating contaminated waters, which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to accumulate pollutants from contaminated water, including a... | 06/27/2006 |
| 7032282 | Releasable fastener system A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e... | 04/25/2006 |
| 7020938 | Magnetorheological nanocomposite elastomer for releasable attachment applications A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof whereas the hook portion includes a support and a plurality of closely spaced upstanding hook elements exte... | 04/04/2006 |
| 7013536 | Releasable fastener systems and processes A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e... | 03/21/2006 |
| 7013538 | Electroactive polymer releasable fastening system and method of use A releasable fastening system for retaining two surfaces at each other or disengaging the two surfaces from each other comprises a first electrode disposed at a first surface, a second electrode disposed at a second surface, and a polymer film disposed between the f... | 03/21/2006 |
| 6973701 | Releasable fastening system based on ionic polymer metal composites and method of use A releasable fastening system comprises a knob portion comprising a knob element, a cavity portion comprising a cavity configured to receive the knob element, and an ionic polymer metal composite actuator disposed at the knob element. The ionic polymer metal composi... | 12/13/2005 |
| 6958308 | Deposition of dispersed metal particles onto substrates using supercritical fluids A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under condi... | 10/25/2005 |
| 6953120 | Method of recovering metal and/or oxide thereof in a slurry and tailings obtained from said method A method of recovering metal and/or oxide thereof from a slurry is described. The method involves magnetically separating at least a portion of any magnetic impurities from the slurry and then leaching or dissolving at least a portion of any remaining magnetic impur... | 10/11/2005 |
| 6951960 | Method for removing impurities from solvent extraction solutions A method for regenerating an amine extractant used for recovery of metals involves contacting a liquid organic phase containing an amine complexed with one or more metals with an aqueous solution substantially free of chloride ions to strip the one or more metals fr... | 10/04/2005 |
| 6944920 | Electrostatically releasable fastening system and method of use A releasable fastening system comprises a loop portion comprising a loop material, a hook portion comprising a plurality of hook elements, and an actuation device disposed in electrical communication with the loop portion and the hook portion. The actuation device i... | 09/20/2005 |
| 6632264 | Gold recovery from thiosulfate leaching Processes for recovering gold from copper-gold ores thiosulfate leaching or gold ores copper catalyzed thiosulfate leaching using ion exchange technology are disclosed. The processes include subjecting the gold-bearing and copper-bearing thiosulfate solut... | 10/14/2003 |
| 6558448 | Photobiomolecular metallic particles and films The method of the invention is based on the unique electron-carrying function of a photocatalytic unit such as the photosynthesis system I (PSI) reaction center of the protein-chlorophyll complex isolated from chloroplasts. The method employs a photo-biom... | 05/06/2003 |
| 6455594 | Method for producing platinum colloid, and platinum colloid produced by the same A platinum colloid is formed by reducing platinum ions by agitating a treatment solution, while controlling temperature of the treatment solution under a reductive atmospheric condition. The solution contains one part of capacity of a platinum chloride ac... | 09/24/2002 |
| 6428597 | Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery Methods and compositions for increasing the recovery of precious metals from ore during heap leaching operations are disclosed. The methods add polypropylene glycol and alkylphenol ethoxylate in a paraffin oil solvent with the cyanide lixivant to the ore ... | 08/06/2002 |
| 6395062 | Process for recovery of metals from metal-containing ores Use of a mixture of a C9 alkylsalicylaldoxime and a ketoxime as an extractant in a water-immiscible organic solvent solution in a metal extraction circuit to enhance the transfer of iron values to a dilute acid wash solution when the metal loaded organic ... | 05/28/2002 |
| 6264720 | Separation of heavy metals and materials for use in this The present invention concerns a composition and method for separating heavy metals from contaminated substrates with compositions containing active agent selected from the group consisting of [S,S]-ethylene diamine disuccinic acid and [S,S]-di-imine buta... | 07/24/2001 |
| 6203925 | Porous metal and method of preparation thereof A method of preparing a porous metal comprises reducing a mixture comprising (I) a source of metal; (II) a solvent such as water; and (III) a structure-directing agent such as octaethylene glycol monododecyl ether to form a liquid crystalline phase in the... | 03/20/2001 |
| 6179899 | Preparation of fine aluminum powders by solution methods Fine aluminum powders are prepared by decomposing alane-adducts in organic solvents under an inert atmosphere to provide highly uniform particles and believed particularly effective as fuels and additives, in pyrotechnics, and in energetic materials. Effe... | 01/30/2001 |
| 6132491 | Method and apparatus for dissociating metals from metal compounds extracted into supercritical fluids A method for dissociating metal-ligand complexes in a supercritical fluid by treating the metal-ligand complex with heat and/or reducing or oxidizing agents is described. Once the metal-ligand complex is dissociated, the resulting metal and/or metal oxide... | 10/17/2000 |
| 6077329 | Selection of size of aluminum particles prepared by solution method Fine aluminum powders are prepared by decomposing alane-adducts in organic olvents under an inert atmosphere to provide highly uniform particles and believed particularly effective as fuels and additives, in pyrotechnics, and in energetic materials. Effect... | 06/20/2000 |
| 5885321 | Preparation of fine aluminum powders by solution methods Fine aluminum powders are prepared by decomposing alane-adducts in organic solvents under an inert atmosphere to provide highly uniform particles selectably sized from about 65 nm to about 500 nm and believed particularly effective as fuels and additives,... | 03/23/1999 |
| 5759410 | Process for recovering mercapto-s-triazines from silver precipitate There is provided a process for converting a silver-mercapto-s-triazine precipitate to a solid containing silver and a solution containing mercapto-s-triazine by contacting the silver-mercapto-s-triazine precipitate with one or more reducing agents. In pr... | 06/02/1998 |
| 5695645 | Methods for removing silver from spent photoprocessing solution Spent solutions from photographic processors are fed into a conduit (18) to which subsequently are added precipitating agents from a first source (22) and flocculating agents from a second source (28); so that, well grown or ripened clumps of flocculated ... | 12/09/1997 |
| 5484470 | Enhancement of gold lixiviation using nitrogen and sulfur heterocyclic aromatic compounds An improved process for dissolving gold metal in ligand and oxidant lixiviation systems, wherein the solubility of gold is enhanced by the addition of heterocyclic aromatic compounds containing nitrogen or sulfur in the ring.... | 01/16/1996 |
| 5478376 | Method for the separation of rhodium and/or iridium from solution A method for the separation of rhodium and/or iridium from a solution containing ruthenium said method comprising the steps of having a rhodium chloride complex in oxidation state III, converting the ruthenium to nitrosyl complexes in divalent states and ... | 12/26/1995 |
| 5453297 | Process for producing finely divided metals deposited on oxidized metals A process for producing finely divided 20 to 500 angstrom metal particles, metals with oxide coatings or metal oxides using an alkalide or electride in a non-reactive solvent is described. The process produces various forms of the metal depending upon the... | 09/26/1995 |
