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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8178742 | Method for in situ reclamation of an area contaminated by organic compounds Method for in situ reclamation of an area contaminated by organic compounds, comprising: introducing at least one chelating agent into said area; allowing said chelating agent to diffuse through said area; ... | 05/15/2012 |
| 7947861 | Methods of removing a constituent from a feed stream using adsorption media A method of producing an adsorption medium to remove at least one constituent from a feed stream. The method comprises dissolving and/or suspending at least one metal compound in a solvent to form a metal solution, dissolving polyacrylonitrile into the metal solutio... | 05/24/2011 |
| 7897831 | Method for solidifying high moisture sludge, solidified sludge therefrom A method for treating a high water content sludge is disclosed, where the method includes mixing into the high water content sludge, an effective amount of an ash composition. The effective amount of the ash composition is sufficient to convert a portion of the slud... | 03/01/2011 |
| 7829754 | Method of cleaning heavy metals-containing soil A soil cleaning method (phytoremediation) of absorbing a contaminating substance contained in a contaminated soil by a plant to clean the soil. An object of the present invention is to provide a method of cleaning a contaminated soil which performs cleaning of a soi... | 11/09/2010 |
| 7767872 | Thimerosal removal device A device for the removal of heavy metals and heavy metal complexes, such as thimerosal, from medications is provided wherein the device comprises a dosing device or a solid support having at least one substantially purified metallothionein protein associated therewi... | 08/03/2010 |
| 7396974 | Oxidation using a non-enzymatic free radical system mediated by redox cycling chelators Methods for oxidizing organic compounds using hydroxyl radicals formed through redox cycling chelator-mediated Fenton chemistry are disclosed. The methods include generating a reactive oxygen species by contacting a redox cycling chelator with an oxygen containing o... | 07/08/2008 |
| 7378037 | Organotin compound treatment To treat an organotin compound in a liquid at low cost. Addition of iron oxide into a liquid containing an organotin compound allows trapping of the organotin compound in the liquid by the iron oxide, and reduction of the organotin compound concentration in the liqu... | 05/27/2008 |
| 7351191 | Method for stabilizing contaminated waste A method for solidifying an oil-contaminated aqueous waste in situ or ex situ includes the step of combining the oil-contaminated waste with a clay, a cement and a sulfite salt solidification agent to form a solidified waste matrix, wherein the solidification agent ... | 04/01/2008 |
| 7335622 | Manganese/oxygen compound with arsenic adsorption A novel technique that is able to efficiently remove, in addition to pentavalent arsenic, trivalent arsenic that has been considered to be difficult to remove. By using a manganese oxygen compound which is characterized by being a product of burning or heating which... | 02/26/2008 |
| 7314512 | Treatment of surfaces to stabilize heavy metals A reactive coating composition and method for treating a surface including heavy metals by applying the reactive coating composition to the surface. The surface can be, for example, a paint layer containing heavy metals. The reactive coating composition includes a s... | 01/01/2008 |
| 7297318 | Method of removing heavy metals from silicate sources during silicate manufacturing Methods for the removal of lead from a metal silicate during the process of manufacturing of such a material are provided. With the reliance upon lower cost starting silicon dioxide starting materials that are known to exhibit elevated amounts of heavy metal therein... | 11/20/2007 |
| 7282470 | Decontamination formulation with sorbent additive A decontamination formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents, and toxic industrial chemicals. The formulation provides so... | 10/16/2007 |
| 7276468 | Granulated decontamination formulations A decontamination formulation and method of making that neutralizes the adverse health effects of both chemical and biological compounds, especially chemical warfare (CW) and biological warfare (BW) agents, and toxic industrial chemicals. The formulation provides so... | 10/02/2007 |
| 7276640 | Metal oxide nanoparticles for smoke clearing and fire suppression Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic... | 10/02/2007 |
| 7273962 | Compositions and methods for removing heavy metals from contaminated samples using membranes provided with purified metallothionein (MT) proteins Devices, such as solid supports having metal binding proteins, such as metallothionein proteins, bound thereto are disclosed for removing metals from substrates in need of having such metals removed therefrom. Specifically membranes having metallothionein proteins f... | 09/25/2007 |
| 7271137 | Decontamination formulations for disinfection and sterilization Aqueous decontamination formulations that neutralize biological pathogens for disinfection and sterilization applications. Examples of suitable applications include disinfection of food processing equipment, disinfection of areas containing livestock, mold remediati... | 09/18/2007 |
| 7204660 | Humic mineral reagent and method for the production thereof, method for rehabilitating polluted soils, method for detoxification of wastes of extracted and processed mineral products and recultivating rock dumps and tailing storages, method for sewage water treatment and method for sludge utilisation The humic-mineral agent from naturally occurring carbon-series humites and caustobioliths comprises humic acids and salts thereof, naturally hydrated humic acids, hydrolyzed humic acids, hydrated and hydrolyzed humic-mineral and mineral complexes of parent carbon-se... | 04/17/2007 |
| 7201885 | Method of removing heavy metals from silicate sources during silicate manufacturing Methods for the removal of lead from a metal silicate during the process of manufacturing of such a material are provided. With the reliance upon lower cost starting silicon dioxide starting materials that are known to exhibit elevated amounts of heavy metal therein... | 04/10/2007 |
| 7163589 | Method and apparatus for decontamination of sensitive equipment Ultrasonic solvent cleaning processes can effectively decontaminate sensitive equipment. The disclosed decontamination liquids meet the following criteria: a. It is compatible with a wide range of sensitive equipment—the performa... | 01/16/2007 |
| 7160526 | Process for detoxification of CCA-treated wood A chemical process for detoxifying spent CCA (copper, chrome, arsenic)—treated wood, from which CCA and detoxified wood are recovered for recycling comprising the steps of (a) treating CCA-treated wood in the presence of a liquefying reagent such as an organic sol... | 01/09/2007 |
| 7135605 | Metal binding proteins and associated methods Metal binding proteins, associated compositions and methods for their production and use are disclosed. The metal binding proteins include have amino acid sequences analogous to at least one metal binding protein, and conservative amino acid substitutions thereof fr... | 11/14/2006 |
| 7056061 | Remediation of contaminates including low bioavailability hydrocarbons A method of treatment of a contaminated material contaminated with an organic compound. The method includes treating the contaminate with a bioremediation step followed by a chemical oxidation step. The bioremediation step includes contacting the contaminate with a ... | 06/06/2006 |
| 6984769 | Treatment of surfaces to stabilize heavy metals A reactive coating composition and method for treating a surface including heavy metals by applying the reactive coating composition to the surface. The surface can be, for example, a paint layer containing heavy metals. The reactive coating composition includes a s... | 01/10/2006 |
| 6943343 | Chemical agent detection apparatus and method An apparatus for detecting a chemical agent, capable of increasing a detection speed of a chemical agent, decreasing a false alarm rate, pinning down the kind of a chemical agent, and meeting specifications for unattended continuous monitoring equipment suitable for... | 09/13/2005 |
| 6623211 | Remediation of contaminates including low bioavailability hydrocarbons A method of treatment of a contaminated material contaminated with an organic compound is provided. The method includes treating the contaminate with a chemical oxidation step. The chemical oxidation step includes treating the contaminate with a transitio... | 09/23/2003 |
| 6242663 | Powerful reductant for decontamination of groundwater and surface streams The disclosed invention relates to a composite material for use in recovery of radionuclides, metals, and halogenated hydrocarbons from aqueous media. The material has very high surface area, and includes nanometer sized, zero-valent iron on a support. Th... | 06/05/2001 |
| 6046375 | Degradation and protection of organic compounds mediated by low molecular weight chelators A method of forming reactive oxygen species by solubilizing a metal ion from a metal oxy(hydr)oxide compound with an iron oxy(hydr)oxide solubilizing chelator to yield a first soluble metal ion chelate complex. The metal ion is transferred from the chelat... | 04/04/2000 |
| 5700107 | Method of soil remediation A method of remediating soil contaminated with inorganic and organic pollutants as disclosed. A method comprises treating the soil with a complexing agent capable of chelating the pollutants and a matrix-generating agent for authigenically generating with... | 12/23/1997 |
| 5608112 | Process for reducing organic pollutants Nitrogen-containing substituents of aliphatic or aromatic compounds can be reduced by treatment with a reagent comprising (i) at least one complex of a transition metal of group 4 or 5 with a multidentate or unidentate organic or inorganic ligand and (ii)... | 03/04/1997 |
| 5608135 | Process for decreasing chlorine content of chlorinated hydrocarbons The chlorine content in a chlorinated hydrocarbon in the presence or absence of air and moisture can be reduced by bringing the chlorinated hydrocarbon into contact with a dechlorination reagent which comprises (i) a complex of a substantially nontoxic me... | 03/04/1997 |
| 5536899 | Stabilization of lead bearing waste A method is disclosed for reducing the leaching of lead from a lead bearing waste, The method includes contacting the waste with a water soluble phosphate and a complexing agent, wherein the complexing agent is at least slightly water soluble, whereby a l... | 07/16/1996 |
| 5480556 | Trapping and sealing process A process is described by which a chemical species is sorbed into the channels of a host phase which is then heated to affect an irreversible phase transformation of the host phase which seals the chemical species within its crystal structure. The host ph... | 01/02/1996 |
| 5285000 | Composition and process for organic and metal contaminant fixation in soil A method and compositions using a first ferrous iron containing solution with the iron concentration in excess of theoretical requirements to treat a contaminated site to reduce hexavalent chromium to trivalent chromium and coprecipitate trivalent chromiu... | 02/08/1994 |
| 5245112 | Method for decomposition of chlorofluorocarbons The present invention provides a method for the decomposition of chlorofluorocarbons to hydrofluoric acid, hydrochloric acid and carbon dioxide by the chlorofluorocarbons' reaction with water at a temperature of 200 ° C. or higher and in the presence of ... | 09/14/1993 |
| 4751063 | Process for treating spent catalyst including antimony halides from chlorofluorocarbon production A process in which spent catalyst from chlorofluorocarbon production is treated to detoxify the catalyst for safe disposal or reprocessing. The spent catalyst includes antimony and arsenic halides, halogenated organic liquids, and has an upper liquid port... | 06/14/1988 |
| 4659477 | Fixation of anionic materials with a complexing agent A composition comprising a support such as a porous silicate glass or silica gel or charcoal having interconnected pores and containing heavy metal cations of mercury, thallium, silver, platinum, palladium, lead or copper capable of forming a stable compl... | 04/21/1987 |
| 4624837 | Particulates and iron cyanide complex removal A process for the removal of cyanide complex or complexes from synthesis gas streams also containing residual iron containing particulate matter is disclosed, the process being characterized by scrubbing of the synthesis gas stream with water or an aqueou... | 11/25/1986 |
| 4615809 | Method for stabilization of sludge A method and means for the stabilization of organic sludges that includes combining the sludge with Portland cement, fly ash, calcium sulfate dihydrate, and lime, optimally with stabilizing agents such as clay, recycled rubber, and asphaltene, and an adso... | 10/07/1986 |
| 4514307 | Method of stabilizing organic waste Method for disposing of (or converting to a construction material) physically unstable wastes comprised of non-biologic, organic, water insoluble compounds, usually dispersed in water, by incorporation thereof in a lime-fly ash water mixture which hardens... | 04/30/1985 |
| 4512900 | Method for treating waste compositions Process for treating liquid waste compositions which contain copper ions and a complexing agent for the copper which includes reducing the concentration of copper ions in the waste composition to less than about 8 ppm and contacting the composition with H... | 04/23/1985 |
