Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7442232 | Adsorbents, methods of preparation, and methods of use thereof Adsorbents and methods of use thereof are provided. One representative, among others, includes an adsorbent having an alkali metal promoted, mixed trivalent layered double hydroxide (LDH) composition. When the mixed trivalent layered double hydroxide (LDH) compositi... | 10/28/2008 |
| 7431900 | Hydrogen peroxide vapor system with replaceable desiccant cartridge A hydrogen peroxide vapor generation unit (10) receives hydrogen peroxide and water solution at an interface (20) and interconnects with an air dryer (14) by way of nipples (72, 92). In one embodiment, the dryer includes a clamping assemb... | 10/07/2008 |
| 7160360 | Purification of hydride gases Purification material for removing a contaminant from an impure hydride gas comprising an adsorbent comprising a reduced metal oxide on a porous support and a desiccant. The porous support may be selected from the group consisting of activated carbon, alumina, silic... | 01/09/2007 |
| 7150778 | Recirculation jacket filter system The present invention is a system and method for improving the useful life of sorbent beds, such as activated carbon filter beds. It is known that breakthrough in carbon filter beds first occurs at the low gas velocity regions of the filter bed, i.e., at the filter'... | 12/19/2006 |
| 7144445 | Use of an adsorbent in solid foam form for the purification or separation of gases Process for purifying or separating a gas or gas mixture using a monolithic adsorbent for the separation or purification of gases or gas mixtures, having a cellular structure with open porosity in the form of a solid foam permeable to the gas molecules. The gas phas... | 12/05/2006 |
| 7141093 | Hydrated lime kiln dust recirculation method for gas scrubbing A method of scrubbing a gas stream with re-circulated kiln dust when the kiln dust is hydrated to form a sorbent. The sorbent is re-circulated with un-reacted flue gas stream for scrubbing. ... | 11/28/2006 |
| 7060653 | Method of producing gas occluding material The gas storage method comprises a step of keeping a gas to be stored and an adsorbent in a vessel at a low temperature below the liquefaction temperature of the gas to be stored so that the gas to be stored is adsorbed onto the adsorbent in a liquefied state, a ste... | 06/13/2006 |
| 7048785 | Adsorbents for low vapor pressure fluid storage and delivery A fluid storage and delivery system utilizing a porous metal matrix that comprises at least one Group VIIIB metal therein. In one embodiment, the porous metal matrix forms a solid-phase metal adsorbent medium, with an average pore diameter of from about 0.5 nm to ab... | 05/23/2006 |
| 7048781 | Chemically-impregnated silicate agents for mercury control The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil... | 05/23/2006 |
| 7022161 | Process using alumina agglomerates to eliminate organic oxygen-containing molecules present in an organic effluent A process for eliminating organic oxygen-containing molecules such as alcohols and organic present in an organic or gaseous effluent is characterized in that the elimination is carried out by adsorbing said organic oxygen-containing molecules onto alumina agglomerat... | 04/04/2006 |
| 6994743 | Two stage air filter A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to... | 02/07/2006 |
| 6989044 | Intermolecularly bound transition element complexes for oxygen-selective adsorption A process and composition for selectively adsorbing oxygen from a gaseous mixture. The chemisorption is carried out by a porous three-dimensional transition element complex comprised of intermolecularly bound TEC units, said units further comprised of at least one m... | 01/24/2006 |
| 6984765 | Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures The present invention is a separation process for producing a methanol, ethanol and/or dimethyl ether stream from a first stream containing C3+ hydrocarbons. The first stream comprises C3+ hydrocarbons, methanol, ethanol and/or dimethyl ether. ... | 01/10/2006 |
| 6962616 | Preparation of adsorbents from organic fertilizer and mineral oil and their application for removal of acidic gases from sulfur containing wet gas streams A method of making an adsorbent which includes: a) thermally drying dewatered sewage sludge to form granulated organic fertilizer; b) treating the fertilizer with mineral oil; and c) pyrolyzing the treated fertilizer at temperatures between about 600° C. and about ... | 11/08/2005 |
| 6960243 | Production of drinking water from air A method and apparatus for the extraction of water from a gas stream, such as atmospheric air. The method includes contacting the gas stream with a porous adsorbent material having a surface modifying agent adsorbed on the surface of a porous support. The surface mo... | 11/01/2005 |
| RE38844 | Method for reducing emissions from evaporative emissions control systems Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high working ca... | 10/25/2005 |
| 6899746 | Method of platinum particles recovery from reaction gas in the process of nitric acid production and granular composite material for recovery of such particles A granular composite material for recovering platinum particles from reaction gas flow in nitric acid production, comprising 50-75% calcium oxide by weight; 20-35% of magnesium oxide by weight; and 5-15% by weight of at least one chloride selected from the group con... | 05/31/2005 |
| 6887302 | Air-stable metal oxide nanoparticles Compositions and methods for destroying chemical and biological agents such as toxins and bacteria are provided wherein the substance to be destroyed is contacted with finely divided metal oxide nanoparticles. The metal oxide nanoparticles are coated with a material... | 05/03/2005 |
| 6824590 | Use of lithium-containing fau in air separation processes including water and/or carbon dioxide removal A process for separating a feed gas into at least one product gas includes: (a) providing a gas separation apparatus with at least one adsorption layer including a lithium-exchanged FAU adsorbent having water desorption characteristics, defined by drying curves, sim... | 11/30/2004 |
| 6797041 | Two stage air filter A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to... | 09/28/2004 |
| 6797038 | Adsorbents, method for the manufacture thereof and process for the separation of unsaturated hydrocarbons from gas mixture An adsorbent for selective adsorption of unsaturated hydrocarbons from its mixture with saturated hydrocarbons, carbon dioxide, carbon monoxide, permanent gases or mixture thereof. The adsorbent includes a silver or copper compound in an amount of 1 to 70 wt % and a... | 09/28/2004 |
| 6764755 | Channelized sorbent media, and methods of making same A channelized sorbent material comprises porous sorbent particles characterized by an average pore diameter. Each sorbent particle has at least one interior channel of an average transverse dimension (i.e. transverse diameter) that is at least ten times larger than ... | 07/20/2004 |
| 6709487 | Adsorbent for moisture removal from fluorine-containing fluids An adsorbent, method, and apparatus involving same for the removal of moisture from a fluoride-containing fluid such as gaseous nitrogen trifluoride are disclosed herein. In certain preferred embodiments, the adsorbent of the present invention comprises an organic s... | 03/23/2004 |
| 6638347 | Carbon-based adsorption powder containing cupric chloride A carbon-based, adsorption powder containing an effective amount of cupric chloride suitable for removing mercury from a high temperature, high moisture gas stream, wherein the effective amount of cupric chloride ranges from about 1 to about 45 wt percent... | 10/28/2003 |
| 6626981 | Microporous carbons for gas storage A method for producing high capacity gas-storage microporous sorbents involves precursor carbonization under relatively severe heat-treatment conditions, normally followed by activation using a cyclic chemisorption-desorption process.... | 09/30/2003 |
| 6607581 | Passive sampling badge A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The preferred form has an adsorbent container in a conical or f... | 08/19/2003 |
| 6592651 | Activation processes for monolith adsorbents An improved method for preparing monolith adsorbents and activating the adsorbents therein is disclosed. A mixture of lower temperature and higher temperature binders is used in fabricating the paper used to form the monolith structure. The finished monol... | 07/15/2003 |
| 6589318 | Adsorption powder for removing mercury from high temperature, high moisture gas streams An adsorption powder for removing mercury and other metals, dioxins, furans and other organic compounds from metal- and organic compound-comtaminated soil and method therefor. The adsorption powder may be characterized as containing from about 1 to 97% of... | 07/08/2003 |
| 6582497 | Adsorption power for removing mercury from high temperature high moisture gas streams There is disclosed an adsorption powder effective for capturing mercury from a high temperature, high moisture gas stream comprising: about 1-97% carbon; about 1-97% of alkaline material; about 1-97% cupric chloride impregnated carbon, and about 1-60% car... | 06/24/2003 |
| 6558642 | Method of adsorbing metals and organic compounds from vaporous streams A method and adsorption powder useful for the removal of mercury and other metals, as well as furans, dioxins and other organic compounds from high temperature and high moisture gaseous streams. The method utilizes an adsorption powder characterized as co... | 05/06/2003 |
| 6558454 | Method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to convert the raw carbonaceous starting material into an acti... | 05/06/2003 |
| 6540815 | Method for reducing emissions from evaporative emissions control systems Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high... | 04/01/2003 |
| 6540814 | Integrated ion implant scrubber system An ion implantation process system, including an ion implanter apparatus for carrying out an ion implantation process. A supply of source gas for the ion implantation process is arranged to flow to the ion implanter apparatus, which discharges an effluent... | 04/01/2003 |
| 6533842 | Adsorption powder for removing mercury from high temperature, high moisture gas streams There is disclosed an adsorption powder effective for capturing mercury from a high temperature, high moisture gas stream comprising: about 1-97% carbon; about 1-97% calcium hydroxide; about 1-97% cupric chloride impregnated carbon, and about 1-60% carbon... | 03/18/2003 |
| 6524371 | Process for adsorption of mercury from gaseous streams A process for removing mercury and organic compounds from gaseous stream using an adsorption powder, characterized as containing a carbon-based powder and an effective amount of cupric chloride, the process characterized by the steps of: a) placing a soli... | 02/25/2003 |
| 6491740 | Metallo-organic polymers for gas separation and purification The present invention provides for methods and compositions for gas separation and purification utilizing a metallo-organic polymer adsorbent in processes for separating carbon dioxide, water, nitrogen oxides and hydrocarbons from gas streams. The metallo... | 12/10/2002 |
| 6490984 | Method of making flue gas harmless Formation of dioxins in flue gases is inhibited by contacting the flue gas with at least one of sodium phosphite, calcium phosphate, sodium hypophosphite, and calcium as reducing agents preferably at a temperature in the range of from 150° C. to 850° C.... | 12/10/2002 |
| 6468329 | Adsorbents and methods for the separation of ethylene and propylene and/or unsaturated hydrocarbons from mixed gases Adsorbents useful in the selective adsorption of unsaturated hydrocarbons, the manufacture of the adsorbents, and processes for the separation of unsaturated hydrocarbons using the adsorbents.... | 10/22/2002 |
| 6461411 | Method and materials for purifying hydride gases, inert gases, and non-reactive gases The invention provides an efficient process by which trace impurities are removed from matrix hydride, inert gases and non-reactive gases, thus decreasing the concentration of the trace gases by a factor of 100-to-10,000, and more specifically to part-per... | 10/08/2002 |
| 6451094 | Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to convert the raw carbonaceous starting material into an acti... | 09/17/2002 |
