Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7824639 | Exhaust treatment system and catalyst system A catalyst system comprises a gold catalyst capable of oxidizing CO; a hydrocarbon oxidation catalyst; and a hydrocarbon adsorbing material. ... | 11/02/2010 |
| 7399326 | Carbon monoxide clean-up in a PEM fuel cell system A fuel processor system is provided including an autothermal reactor (ATR), a pressure swing adsorber (PSA) located downstream of the ATR, and a methanation reactor located downstream of the PSA. A method of operating of proton exchange membrane fuel cell stack invo... | 07/15/2008 |
| 7357015 | Gas concentration sensor, hydrogen purification unit using this and fuel cell system In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a gas concentration detector comprising a reaction chamber which has a ... | 04/15/2008 |
| 7285258 | Conversion of CO to CO Gold oxide is precipitated together with iron oxide from a solution containing a gold source and an iron source; the gel formed thereby is washed, dried, ground to a size range of 0.85 mm to 4.25 mm, calcined and activated by passing a hydrogen and oxygen containing... | 10/23/2007 |
| 7276095 | Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorption A stand-alone fuel processor (10) for producing hydrogen from a hydrocarbon fuel for a fuel cell engine in a vehicle. The fuel processor (10) includes a primary reactor (14) that dissociates hydrogen and other by-products from the hydrocarbon fu... | 10/02/2007 |
| 7261749 | Multi-port autothermal reformer An autothermal reformer is provided for a fuel cell system utilizing one volume and a plurality of inlets for both start-up and normal operation. In start-up mode, thermal combustion is employed for heating the catalyst reformation section of the reformer. Two inlet... | 08/28/2007 |
| 7238215 | Integrated process and installation for the production of synthesis gas In an integrated process for the production of synthesis gas, a partial oxidation unit and a steam methane reformer are used to convert natural gas or another fuel to first and second mixtures of at least carbon monoxide and hydrogen, only the first process consumin... | 07/03/2007 |
| 7211765 | Shielding gas and arc-welding method The invention relates to a shielding gas for use in the arc welding of metallic work pieces. The invention further relates to a process for the arc welding of metallic work pieces using consumable electrodes, whereby a shielding gas stream is supplied to the work pi... | 05/01/2007 |
| 7166263 | Ceria-based mixed-metal oxide structure, including method of making and use A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and ... | 01/23/2007 |
| 7147947 | Selective carbon monoxide oxidation catalyst, method of making the same and systems using the same A CO-selective catalyst comprises a catalytic material, wherein the catalytic material is selected from the group consisting of Pt, Pd, Rh, Ir, Os, Ru, Ta, Zr, Y, Ce, Ni, Cu, and oxides, alloys, compounds, and combinations comprising at least one of the foregoing; a... | 12/12/2006 |
| 7083658 | Hot solids gasifier with COremoval and hydrogen production A gasifier 10 includes a first chemical process loop 12 having an exothermic oxidizer reactor 14 and an endothermic reducer reactor 16. CaS is oxidized in air in the oxidizer reactor 14 to form hot CaSO4 which is dischar... | 08/01/2006 |
| 7060230 | Apparatus for treatment of waste gas An apparatus for the treatment of a waste gas that is capable of recovering the heat generated by the catalytic oxidation of a waste gas to the largest possible extent and allowing the temperature of the treated gas in a first waste gas pre-heater to be adjusted to ... | 06/13/2006 |
| 7045056 | CO oxidation promoters for use in FCC processes A composition for controlling CO and NOx emissions during FCC processes comprises (i) acidic oxide support, (ii) cerium oxide, (iii) lanthanide oxide other than ceria such as praseodymium oxide (iv), optionally, oxide of a metal from Groups Ib and IIb suc... | 05/16/2006 |
| 7041272 | Systems and processes for providing hydrogen to fuel cells A process and system for providing a hydrogen-containing gas stream to a fuel cell anode that includes providing a hydrogen-containing gas stream that includes carbon monoxide, introducing the hydrogen-containing gas stream into a pressure swing adsorption module th... | 05/09/2006 |
| 7001867 | Rare earth aluminates and gallates supported rhodium catalysts for catalytic partial oxidation of hydrocarbons The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions. In particular, preferred embodiments of the present invention comprise rare earth catalyst supports, catalyst compositions having rare earth su... | 02/21/2006 |
| 6932848 | High performance fuel processing system for fuel cell power plant A fuel processing system (FPS) (110) is provided for a fuel cell power plant (115) having a fuel cell stack assembly (CSA) (56). A water gas shift (WGS) reaction section (12, 120) of the FPS (110) reduces the concentration of carbo... | 08/23/2005 |
| 6913738 | System for removing carbon monoxide and method for removing carbon monoxide The object of the present invention is to obtain a carbon-monoxide removing technique capable of very effectively reducing/removing carbon monoxide present at one thousand of ppm to several % in a hydrogen-rich treatment-object gas such as a reformed gas obtained by... | 07/05/2005 |
| 6780386 | Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas Provided is a catalyst for selective oxidation of CO gas in a gas of essentially hydrogen, and a method for producing the catalyst. The catalyst is highly active in a relatively high temperature range. The catalyst is for selectively oxidizing CO gas with hydrogen, ... | 08/24/2004 |
| 6764666 | Process for treating gas containing fluorine-containing compounds and CO The purpose of the present invention is to provide a process and an apparatus for efficiently treating a gas containing fluorine-containing compounds and CO to be discharged, for example, from the step of dry cleaning the inner surfaces and the like of a semiconduct... | 07/20/2004 |
| 6746657 | Method for reduced methanation The invention disclosed is a method for the reduction of carbon monoxide to carbon dioxide in a gas stream comprising carbon monoxide, hydrogen and water vapor, wherein the carbon monoxide and hydrogen have a mole ratio greater than 5:1, with substantially reduced m... | 06/08/2004 |
| 6726747 | Methods and apparatuses for treatment of syngas and related gases An improved methane wash cycle is disclosed wherein a reduced amount of methane wash is required, thereby allowing for savings in energy costs in operation of the cycle and capital costs in constructing the cycle. Further embodiments allow for an energy recovery and... | 04/27/2004 |
| 6682709 | Method for reducing NOx from exhaust gases produced by industrial processes Gas-phase methods and systems for reducing NOx emissions and other contaminants in exhaust gases, and industrial processes using the same, are disclosed. In accordance with the present invention, hydrocarbon(s) autoignite and autothermally heat an exhaust... | 01/27/2004 |
| 6610265 | Method and system for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant A fuel processing system is operative to remove substantially all of the sulfur present in a logistic fuel stock supply. The fuel stock can be gasoline, diesel fuel, or other like fuels which contain relatively high levels of organic sulfur compounds such... | 08/26/2003 |
| 6589493 | Gas purification-treating agents and gas purifying apparatuses Disclosed are a gas purification-treating agent and a gas purifying apparatus, which treat carbon monoxide and/or hydrogen contained in a gas in the presence of oxygen. The gas purification-treating agent consists of an adsorbent having carbon dioxide and... | 07/08/2003 |
| 6579820 | Reactor modifications for NOx reduction from a fluid catalytic cracking regeneration vessel A process for regenerating a spent catalyst having coke deposits thereon in a catalyst regeneration vessel having a dense phase and a dilute phase, wherein the process comprises the steps of: (a) contacting the spent catalyst with a primary oxygen-contain... | 06/17/2003 |
| 6576359 | Controlled air injection for a fuel cell system A method and apparatus for injecting oxygen into a fuel cell reformate stream to reduce the level of carbon monoxide while preserving the level of hydrogen in a fuel cell system.... | 06/10/2003 |
| 6514472 | Method for operation of a catalytic reactor A method for the selective oxidation of carbon monoxide in a gas stream comprising carbon monoxide, hydrogen and oxygen in an adiabatically operated fixed-bed, catalytic reactor. In the method the inlet temperature is controlled based upon the space veloc... | 02/04/2003 |
| 6497855 | Process for the production of hydrogen from hydrogen sulfide A process is provided for the production of hydrogen from hydrogen sulfide by reacting carbon monoxide with hydrogen sulfide to produce hydrogen and carbonyl sulfide, and then reacting the carbonyl sulfide with oxygen to produce carbon monoxide and sulfur... | 12/24/2002 |
| 6475454 | Thermally limited selective oxidation methods and apparatus A method and apparatus are provided for selectively oxidizing carbon monoxide in the presence of hydrogen gas while leaving the hydrogen substantially unoxidized. This method utilizes a catalytic material, such as copper/copper oxide, silver/silver oxide,... | 11/05/2002 |
| 6468487 | Nitration or carboxylation catalysts In the presence of an imide compound (e.g., N-hydroxyphthalimide) shown by the following formula (1): ##STR1## wherein R1 and R2 represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group and a cycloalkyl group, and R | 10/22/2002 |
| 6379638 | Method for removing harmful components from a gaseous mixture Compounds having the formula A2 B3 O6&#b1;d wherein A is an alkaline-earth metal, an alkaline metal, a lanthanide, or a solid solution thereof, B is a transition metal, an element of group III, or a solid solution thereof, and ... | 04/30/2002 |
| 6348178 | Method for reducing NOx from exhaust gases produced by industrial processes Gas-phase methods and systems for reducing NOx emissions and other contaminants in exhaust gases, and industrial processes using the same, are disclosed. In accordance with the present invention, hydrocarbon(s) autoignite and autothermally heat an exhaust... | 02/19/2002 |
| 6241792 | Method for producing a hydrogen-rich and low carbon monoxide gas A process for generating a high-hydrogen, low-carbon monoxide gas comprises generating a product gas in a gas generating device. The product gas contains hydrogen and carbon monoxide that are generated from catalytic water vapor reforming of a water/fuel ... | 06/05/2001 |
| 6207120 | Catalytic vent gas treatment system for abatement of volatile chemical emissions An integrated process for vent gas treatment for the abatement of volatile emissions is disclosed. The vent gas comprises dioxygen, carbon monoxide, hydrocarbons and other organic compounds comprising one or more alkyl halide compound of 1 to 5 carbon ato... | 03/27/2001 |
| 6153163 | Ceramic membrane reformer A process to generate an enhanced output of a desired product from an ion transport reactor utilizes the reaction products from both the cathode side and the anode side of an oxygen selective ion transport ceramic membrane. An oxygen donating first feed s... | 11/28/2000 |
| 6153159 | Method for purifying exhaust gases Thermal catalysts, particularly catalysts coated with precious metals, are used to reduce the concentration of CO, HC and NOx in exhaust gases from internal-combustion engines. While catalysts coated with precious metals exhibit catalytic activity from ab... | 11/28/2000 |
| 6139813 | NOx trapping by metal-zirconia materials during lean-burn automotive engine operation The invention is a method for treating exhaust gas containing carbon monoxide, hydrocarbons, and nitrogen oxides generated by a lean burn internal combustion engine. It includes bringing the exhaust gas into contact with a particular metal-zirconium oxide... | 10/31/2000 |
| 6066303 | Apparatus and method for reducing NOx from exhaust gases produced by industrial processes Gas-phase methods and systems for reducing NOx emissions and other contaminants in exhaust gases, and industrial processes using the same, are disclosed. In accordance with the present invention, hydrocarbon(s) autoignite and autothermally heat an exhaust... | 05/23/2000 |
| 6060032 | Layered adsorbent bed for carbon monoxide production A process is set forth for the production of a carbon monoxide stream from a feed stream comprising carbon monoxide, hydrogen, carbon dioxide, methane, nitrogen and moisture. The process comprises contacting the feed stream at elevated pressure with a lay... | 05/09/2000 |
| 6051162 | Process for the generation of a low dew-point, oxygen-free protective atmosphere for the performance of thermal treatments A process for the generation of a protective nitrogen-based atmosphere for the performance of heat treatments of metal articles in three phases, including an initial phase in which a gaseous hydrocarbon feed and an oxidant containing oxygen react on a fir... | 04/18/2000 |
