Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 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 |
| 7419606 | Selenium removal process A process for removing selenium from an aqueous stream using a supported sulfur material, and optionally the addition of an activating agent for enhanced removal of selenite, is disclosed. ... | 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 |
| 7393452 | Compositions and methods for the treatment of wastewater and other waste A method for processing environmental samples to remove or otherwise reduce the level of certain chemical species. In a preferred embodiment, the present invention contemplates a process for reducing the level of inorganic and/or organic chemical species in wastewat... | 07/01/2008 |
| 7393466 | Compositions and methods for anion absorbent metal hydroxides A metal hydroxide complex has a formula Me(OH)4*A−*nH2O or MeO2*A−*nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide and cyanide gold complexes. Contemplated complexes a... | 07/01/2008 |
| 7303770 | Cancer chemoprotective food products Vegetable sources of cancer chemoprotective agents have been identified which are extraordinarily rich in glucosinolates, metabolic precursors of isothiocyanates. The vegetable sources are used to provide a dietary means of reducing the level of carcinogens in mamma... | 12/04/2007 |
| 7273552 | Bioremediation Bioremediatory fungi, such as Trichoderma harzianum, which have been found to catabolise cyanide, are capable of detoxifying contaminated environmental areas in association with a suitable rhizosphere. ... | 09/25/2007 |
| 7144514 | Cyanide and formate destruction with ultra violet light A method for substantially reducing cyanide and formate concentrations in gasification wastewater streams comprising first removing suspended solids from the wastewater stream, then adding sufficient hydrogen peroxide to completely oxidize contained cyanide ions and... | 12/05/2006 |
| 7144509 | Process and apparatus for waste water treatment Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. Th... | 12/05/2006 |
| 7077963 | Processes for water treatment The invention provides compositions comprising bauxite refinery residues that have been reacted with sufficient calcium and magnesium ions that they have a reaction pH of less than 10.5, and one or more water treating additives. The invention also provides processes... | 07/18/2006 |
| 6896808 | Recovery of metal values from aqueous solutions and slurries The invention generally relates to a process for the recovery or removal of metal species from a solution or slurry comprising the steps of: a) contacting the solution or slurry with a polymeric material, selected from the group consisting of a solid superhydrophili... | 05/24/2005 |
| 6623646 | In-situ chemical oxidation-reduction and precipitation of heavy metals in soils and groundwater A method is taught for converting metal contaminants in the soil to less toxic forms as well as permitting their removal from groundwater. A first reactive solution comprising ferrous sulfate and an acid selected from the group consisting of sulfuric acid... | 09/23/2003 |
| 6605234 | Polysulfide solutions and hydroxalkylaminium ions for stabilizing elemental sulfur Hydroxalkylaminium polysulfides are used to provide cold stability to ammonium polysulfide solutions. Hydroxyalkylaminium sulfides or polysulfides also are used to solubilize unwanted sulfur. Preferred aminium ions are monohydroxyalkylaminium ions, prefer... | 08/12/2003 |
| 6551514 | Cyanide detoxification process Methods for rendering a cyanide or cyanide-containing compound substantially insoluble in an aqueous solution or suspension of cyanide-containing materials comprising: mixing a reagent comprising a thiosulfate salt with said solution or suspension; and ad... | 04/22/2003 |
| 6461521 | Method for treating aqueous streams containing low valent sulfur compounds A cost-effective broad temperature method for removing troublesome low valent sulfur compounds from aqueous streams. The process utilizes sulfur dioxide, oxygen and at least one metal catalyst (which may be added to or already entrained in the aqueous str... | 10/08/2002 |
| 6358424 | Process for removing cyanide ion from cadmium plating rinse waters An improved process for the removal of cyanide ion from aqueous dispersions (e.g., aqueous spent cadmium plating solutions or plating rinse water solutions) is provided wherein a source of Fe+2 ion is reacted with a cyanide ion-containing aqueo... | 03/19/2002 |
| 6264847 | Method of processing cyanide ions by ozone A method is provided for decomposing free cyanide ion and metallic cyano complex ions in a liquid, comprising the steps of bringing the liquid into contact with ozone gas in a counterflow relation in the condition that the pH of the liquid is at least 10 ... | 07/24/2001 |
| 6214233 | Process for simultaneous oxidation of cyanide and recovery of heavy metals from waste water A waste water stream containing cyanide bearing compounds and heavy metals such as copper, silver, nickel, iron and the like is directed from a source after pH adjustment to a first tank containing adsorption material in the form of granular activated car... | 04/10/2001 |
| 6200545 | Cyanide recovery by solvent extraction The invention provides a process for recovering hydrogen cyanide from an aqueous solution by extracting the hydrogen cyanide into an organic solvent phase. The organic solvent may comprise a neutral organophosphorous compounds, such as compounds selected ... | 03/13/2001 |
| 6177017 | Polymers for chemical treatment and precipitation of soluble metal cyanide and oxoanion compounds from waste water A method for the removal of metal cyanides or oxoanions from aqueous streams such as waste water streams with compounds containing 1,4-diazabicyclo[2.2.2]octane. Preferred compounds are polymers formed by free radical polymerization of N-4-vinyl benzyl-N | 01/23/2001 |
| 5837145 | Method for treating water contaminated with cyanide A method for treating cyanide contaminated water is disclosed. This method generally involves passing the contaminated water through a bed containing elemental iron, to form a precipitate by a reaction between the iron and any of various cyanide species w... | 11/17/1998 |
| 5766440 | Method for treating sludge precipitated in a plating bath containing haloid ions The present invention is to provide a method for treating sludge as a by-product of a process of tin electroplating a steel plate by means of a plating bath containing haloid ions, together with an equipment therefor. More specifically, by immersing the s... | 06/16/1998 |
| 5705078 | Oxidative removal of aqueous cyanide by manganese(IV)-containing oxides Manganese(IV)-containing oxides are effective catalysts for oxidation of water-soluble cyanide over a wide pH range (0.5-12) and temperature (15°-250° C.). Oxygen is the preferred oxidizing agent at partial pressures between about 0.2 and 5 atmospheres ... | 01/06/1998 |
| 5676846 | Process for the detoxification of effluents containing free or complexed cyanides A process for treating effluent containing cyanide by contacting the effluent with a mixture formed from a source of hydrogen peroxide and a source of magnesium ion to oxidize the cyanide. The ratio of hydrogen peroxide to cyanide is up to 10:1 and the am... | 10/14/1997 |
| 5647996 | Groundwater total cyanide treatment method A method and apparatus for the removal of total cyanide from aqueous solution. The method includes the steps of placing the aqueous solution into a reaction tank, adding lime, ferrous sulfate, and acid to the solution in the reaction tank and agitating th... | 07/15/1997 |
| 5648435 | Process for production of multicyanate esters A process of preparing multicyanate esters by: a) reacting an adduct of a tertiary amine and a phenol-formaldehyde oligomer or derivative thereof with cyanogen halide in a solvent reaction medium under conditions to form a reaction product stream containi... | 07/15/1997 |
| 5643456 | Process for the displacement of cyanide ions from metal-cyanide complexes The present invention relates to water-soluble polymers and the use of such water-soluble polymers in a process for the displacement of the cyanide ions from the metal ions within metal-cyanide complexes. The process waste streams can include metal-cyanid... | 07/01/1997 |
| 5639383 | Used mineral motor oil ecological recycling procedure This procedure includes detecting and rejecting the used mineral motor oils containing polychlorinated biphenyls (PCB's) and/or polychlorinated triphenyls (PCT's) before filtering; before the decantation and/or distillation step, if necessary, submitting ... | 06/17/1997 |
| 5635078 | Rejuvenated catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds The rejuvenative catalytic oxidation of offensive substances, such as cyanides, sulfides, sulfites, thiosulfates, mercaptans, disulfides, ammonia and mixtures thereof, contained in waste water. The process involves the addition of a low concentration of a... | 06/03/1997 |
| 5573672 | Water managed solvent extraction process for the organic wastes The invention relates to a process for separating extractable organic material from a composition comprising organic material intermixed with solids and water. The composition is contacted with a solvent and a dehydrating agent. The dehydrating agent remo... | 11/12/1996 |
| 5569386 | Method for controlling the detoxification of cyanidic waste waters A method for controlling the detoxification of aqueous solutions containing cyanides and/or cyano complexes, in particular zinc cyano complexes, with the use of a source for formaldehyde for glycolnitrile formation and a source for hydrogen peroxide for p... | 10/29/1996 |
| 5552062 | Method for treatment of waste water contaminated with cyanide ion A method for treating waste water contaminated with cyanide ion, such as mine acid water is provided. The apparatus is readily portable and comprises a reaction vessel having an aerator motor operatively associated therewith. Water to be treated is receiv... | 09/03/1996 |
| 5540840 | Use of fluidized bed reactors for treatment of wastes containing organic nitrogen compounds A method for treatment of a liquid waste stream having an undesirably high COD and comprising water and a concentration of organic nitrogen compounds of at least about 300 mg/l total kjedahl nitrogen is disclosed. According to the method, the liquid waste... | 07/30/1996 |
| 5504186 | Process for production of multicyanate esters The present invention is directed to a process of preparing multicyanate esters by: a) reacting an adduct of a tertiary amine and a phenol-formaldehyde oligomer or derivative thereof with cyanogen halide in a solvent reaction medium under conditions to fo... | 04/02/1996 |
| 5476596 | Oxidation and hydrolysis of cyanides using metal chelates on supports of metal oxide solid solutions The oxidation of inorganic cyanides and the concurrent hydrolysis of many organic cyanides can be effected in aqueous media using a diversity of metal chelates supported on metal oxide solid solutions. Metal oxide solid solutions containing magnesium and ... | 12/19/1995 |
| 5470460 | Apparatus for the purification of cyanide-containing waste water A two-stage apparatus for the purification of cyanide-containing waste water allows relatively clean water to be obtained from waste water containing high concentrations of cyanide and solids in suspension. The apparatus in its first stage includes a bior... | 11/28/1995 |
| 5431877 | Process for decreasing the corrosiveness of a sour water An aqueous solution which contains ammonium polysulfide is proportionally added to the sour water, which contains cyanide ions, ammonium ions, and sulfide ions. At least part of the cyanide ions contained in the sour water is converted to thiocyanate ions... | 07/11/1995 |
| 5415785 | Method for removing a cyanide contaminant from refinery waste water streams A method for reducing cyanide contaminants in refinery waste waters prior to reuse or release into the environment comprising adding to the waters a cyanide reactive scavenger comprising at least one amine-aldehyde reaction product.... | 05/16/1995 |
| 5397482 | Treatment of cyanides in effluents with Caro's acid A process for treating effluents, such as precious metal tailings, having a pH of at least 9 and containing cyanide is described in which Caro's acid is added to the effluent having a pH of at least 9 and commencing the reaction of the cyanide with Caro's... | 03/14/1995 |
| 5376749 | Stabilized ammonium polysulfide solutions and process utilizing same A stabilized ammonium polysulfide solution comprising an aqueous solution of ammonium polysulfide and a stabilizing amount of a water soluble, stabilizing compound that can be an azacyclic compound, a compound having the formula R--O--(Cn H | 12/27/1994 |
