Celebrity Inventors
Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.
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| Number | Title | Issue Date |
| 8052774 | Method for concentration of gold in copper sulfide minerals Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue: a gold-bearing coppe... | 11/08/2011 |
| 7935173 | Process for recovery of precious metals A hydrometallurgical process for the recovery of metals selected from the group consisting of platinum, palladium, rhodium, ruthenium, iridium, and gold (PM) from solids includes dissolving the PM and base metals in an acidic halide aqueous solution and precipitatin... | 05/03/2011 |
| 7918918 | Extractants for palladium and method of rapidly separating and recovering palladium using the same Provided is a novel extractant for palladium capable of improving an extraction rate compared to the conventional extractant, DHS, and also capable of back-extracting palladium using an ammonia solution, and a method of separating and recovering palladium using the ... | 04/05/2011 |
| 7559971 | Method for removal of silver from a copper chloride solution The invention relates to a method for removing silver from a chloride solution in a copper recovery process. According to this method, silver is removed using fine-grained copper powder and mercury. Silver removal occurs in at least two stages and mercury is fed int... | 07/14/2009 |
| 7429286 | Method for recovering metal values from concentrates of sulfide minerals A method of recovering precious metal values from refractory sulfide ores is provided. The method includes the steps of separating clays and fines from a crushed refractory sulfide ore, forming a heap from the refractory sulfide ore, producing a concentrate of refra... | 09/30/2008 |
| 7309353 | Use of platinum group metals in vascular devices and method of texturing platinum group metals A method of texturing polycrystalline iridium includes the steps of cold/warm working of the polycrystalline iridium at equal to or below its re-crystallization temperature to break up the polycrystalline structure such that the orientation favors one direction (i.e... | 12/18/2007 |
| 7291202 | Process for mutual separation of platinum group metals A process for mutual separation of platinum group metals (PGM), wherein highly stable compounds and steps are used to efficiently remove impurity elements while preventing increase of impurity content relative to that of the PGM in the mother liquor and also prevent... | 11/06/2007 |
| 7285256 | Precious metal recovery using thiocyanate lixiviant Precious metal-containing mineral material is subjected to an acidic thiocyanate leach to dissolve the precious metal as a precious metal-thiocyanate complex. A feed of the thiocyanate leach solution may include a large molar ratio of ferric iron to thiocyanate. Pre... | 10/23/2007 |
| 7214644 | Cross-coupling reactions A method for producing a copper/palladium colloid catalyst useful for Suzuki couplings. ... | 05/08/2007 |
| 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 |
| 6652623 | Method and kit for working up a gold bath In a method for working up a gold bath or a gold alloy bath, which contains gold in the form of a gold sulphite complex, working up takes place through at least one oxidant, which oxidizes the sulphite contained in the complex and reduces the gold contain... | 11/25/2003 |
| 6624886 | SERS substrates formed by hydroxylamine seeding of colloidal metal nanoparticle monolayers Methods for preparing colloidal metal nanoparticles, in which seed colloids are added to a solution of reductant mixed with a solution containing a source of metal ions, include a method in which the seeds are colloidal gold nanoparticles, the source of g... | 09/23/2003 |
| 6551378 | Recovery of precious metals from low concentration sources A process for the recovery of gold and the platinum group metals from sources that contain relatively low amounts of the metals is described. The process is environmentally acceptable and uses no expensive and potentially dangerous organic solvents. The p... | 04/22/2003 |
| 6471743 | Methods for leaching of ores Disclosed and claimed are efficient methods for leaching minerals from ores using an acidic solution such as sulfuric acid. Additional factors which can improve mineral recovery include the use of an alkali metal halide, grinding the ore, addition of a ca... | 10/29/2002 |
| 6440194 | Recovery of precious metals from metal alloys produced aluminothermically from base metal smelter slag A method of recovering precious metals from metal alloys produced aluminothermically from base metal smelter slag, includes treating the metal alloy with aqueous sulphuric acid solution having a pH of not greater than about 2 to cause dissolution of nicke... | 08/27/2002 |
| 6416590 | Solder powder and method for preparing the same and solder paste An organic acid salt is deposited on the surface of a solder powder containing Sn and Zn. Alternatively, 0.5 to 10 wt. % of a nonionic surfactant is added to a flux. By a method comprising such a procedure, provided are a lead-free solder powder and solde... | 07/09/2002 |
| 6383255 | Method for recovering the valuable metal content of a sulphuric acid leaching solution A method for winning the valuable metal content of a leaching solution acidified with sulphuric acid, by solvent extraction and electrowinning and a following final product winning stage, for instance an electrowinning stage, wherein the pH of the leachin... | 05/07/2002 |
| 6315811 | Method for producing platinum A method is described for the preparation of platinum wherein first an aqueous solution of a hexahalogenoplatinate is passed through a cation exchanger and then the solution obtained, at a temperature T>+30° C. and a pH of 0 to 4, is reduced by a reducin... | 11/13/2001 |
| 6126720 | Method for smelting noble metal A method for refining noble metals has a silver treating process including a nitric acid leaching step of silver, a purification step of the leaching solution, an electrolytic decomposition step of silver, and a recycling step after the electrolytic decom... | 10/03/2000 |
| 6110254 | Method for chemical precipitation of metallic silver powder via a two solution technique A method for the chemical precipitation of metallic silver powder employs a two solution technique in which a solution of a tin salt and a solution a silver salt are mixed in the presence of an inorganic or organic acid, alumina, an anionic surfactant, ... | 08/29/2000 |
| 6103028 | Method of fabricating thinned free-standing metallic hydrogen-selective palladium-bearing membranes and novel pin-hole-free membranes formed thereby A new method of creating thin free-standing pin hole-free hydrogen-selective palladium-bearing membranes that comprises thinning cold-rolled membranes by chemical etching or electrochemically electrolyzing of at least one membrane surface, and novel membr... | 08/15/2000 |
| 5948140 | Method and system for extracting and refining gold from ores A process and system and for extracting and refining gold from ores using relatively benign and inexpensive chemicals, fewer process steps, and permitting the recycling and re-use of process chemicals. The invention is preferably implemented as a two part... | 09/07/1999 |
| 5942024 | Method of recovering gold powder A method comprising the steps of solvent extracting a gold bearing chlorination leach solution with DBC, scrubbing the resulting gold bearing organic phase with hydrochloric acid and reducing gold is capable of recovering gold in high purity by: (1) adjus... | 08/24/1999 |
| 5882502 | Electrochemical system and method An electrochemical apparatus and system for extracting and recovering metals from their compounds using electrochemical cells where the anolyte 10 is connected electrically to the catholyte 11 through an independent set of electrodes 13, 14 immersed in ea... | 03/16/1999 |
| 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 |
| 5516355 | Method of preparation of compositions for an amalgam The invention relates to a method of preparing a dental amalgam that is devoid of harmful free mercury, to be used as a filler for dental cavities. In particular the invention relates to processes by which two separate compositions characterized as treate... | 05/14/1996 |
| 5439502 | Method for making silver powder by aerosol decomposition A method for the manufacture of finely divided silver particles comprising the sequential steps: A. Forming an unsaturated solution of thermally decomposable silver-containing compound in a volatilizable solvent; B. Forming an aerosol from the unsaturated solu... | 08/08/1995 |
| 5413617 | Process for the preparation of silver powder with a controlled surface area by reduction reaction Silver powder with a controlled surface area is made by introducing a silver ion containing solution and a mixed solution containing reducing agents and surfactants into a low temperature tank of 5°-20° C. and holding for a period of 7-60 minutes, follo... | 05/09/1995 |
| 5401296 | Precious metal extraction process There is disclosed a process useful for the extraction of gold, silver, and the platinum metals from precious metal containing ores which poses no threat to the environment or the ground water. The process utilizes sodium bromide, sodium chloride, and pot... | 03/28/1995 |
| 5389122 | Process for making finely divided, dense packing, spherical shaped silver particles A method for the preparation of finely divided, dense packing, spherical shaped silver particles comprising the sequential steps of: (1) reacting an aqueous mixture of a silver salt with an alkanolamine to form a homogeneous aqueous solution of a dissolved sil... | 02/14/1995 |
| 5358699 | Precious metal recovery process from carbonaceous ores A process for recovering at least one precious metal from an ore containing carbonaceous material is disclosed. The process involves the use of certain plant derived ortho-quinone containing components, in particular, certain lignin and/or tannin derived ... | 10/25/1994 |
| 5344625 | Precious metal recovery process from sulfide ores A process for recovering at least one precious metal from an ore containing metal sulfide material is disclosed. The process involves the use of promoting amounts of certain plant derived ortho-quinone containing components, in particular, certain lignin ... | 09/06/1994 |
| 5308381 | Ammonia extraction of gold and silver from ores and other materials Gold and silver are extracted from their elemental state or from complex ores and alloys by leaching them with a solution containing ammonia, ammonium salts and one or more oxidants. The process is particularly effective for refractory gold ores including... | 05/03/1994 |
| 5304233 | Recovery of platinum group metals (PGM) from acidic solutions by reduction precipitation with sodium borohydride A method is disclosed for the direct recovery of platinum group metals (PGM) from thiourea solutions or highly acidic aqueous solutions in general, such as leach solutions resulting from the acid leaching of precious metal bearing material. The method com... | 04/19/1994 |
| 5261945 | Selective recovery of gold and silver from carbonate eluates A process is disclosed for the direct and selective recovery of gold and/or silver from carbonate solutions, such as sodium carbonate which is used as an eluant for gold in a carbon-in-pulp process (CIP). The process comprises reduction precipitation of g... | 11/16/1993 |
| 5256188 | Process for the separation of rhodium from organic solutions A process for the separation of rhodium from rhodium containing organic solutions, organic-aqueous mixtures or aqueous solutions containing complexing agents is disclosed. Metallic bismuth, bismuth oxide, bismuth hydroxide or another reducible bismuth com... | 10/26/1993 |
| 5254153 | Cyanide recycling process A process for recycling hydrogen cyanide from a cyanide-containing slurry is provided. The process includes the steps of adjusting the pH of a cyanide-containing slurry, volatilizing HCN contained in the pH adjusted slurry and contacting the volatilized H... | 10/19/1993 |
| 5223023 | Recovery of gold from solution by reduction-precipitation with stabilized alkali metal borohydride A process is disclosed for the direct recovery of gold from thiourea, thiocyanate or thiosulfate solutions or acidified thiourea leach liquor. The process comprises reduction precipitation of the gold from solution by the addition of stabilized alkali met... | 06/29/1993 |
| 5188660 | Process for making finely divided particles of silver metals A reductive process for making finely divided silver particles in which the silver particles are precipitated from an aqueous acid solution of silver salt containing silica sol.... | 02/23/1993 |
| 5178665 | Recovery of dissolved gold by sodium borohydride (NaBH4) reduction A process is disclosed for the direct recovery of gold from cyanide leach liquor, thiourea leach liquor or Bio-D leach liquor. The process comprises reduction precipitation of the gold from solution by the addition of stabilized alkali metal borohydride, ... | 01/12/1993 |
