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| Number | Title | Issue Date |
| 7737083 | High performance adsorbents based on activated carbon of high microporosity The invention concerns high performance adsorbents based on activated carbon of high microporosity which are present in the form of discrete grains of activated carbon, preferably in spherical form, and which are characterized by the following parameters: | 06/15/2010 |
| 7625839 | Activated carbon for use in electric double layer capacitors Activated carbon adapted for electric double layer capacitors is provided, which capacitors can give a large power density per unit volume and which capacitors, even when charge-and-discharge cycle is repeated under a large current or a constant voltage is continuou... | 12/01/2009 |
| 7541312 | Porous carbons from carbohydrates A porous carbon characterized by a volumetric pore size distribution having two peaks, a first of said peaks being between 0.5 and 1.0 nm and a second of said peaks being between 1.0 and 5.0 nm. The porous carbon may have a volumetric capacitance in an organic elect... | 06/02/2009 |
| 7524795 | Activated carbons from animal manure Activated carbons may be produced by carbonization of poultry manure, followed by activation of carbonized manure. Carbons produced from poultry manure by the method described herein exhibit enhanced activity for metal ion adsorption. ... | 04/28/2009 |
| 7288504 | Method for producing spherical activation carbon Disclosure is made of a specific process for producing activated carbon in spherical form, starting with organic polymer spherules based on styrene and divinylbenzene, wherein said polymer spherules contain chemical groups leading to the formation of free radicals a... | 10/30/2007 |
| 7250074 | Process for separating nitrogen from methane using microchannel process technology The disclosed invention relates to a process for separating methane or nitrogen from a fluid mixture comprising methane and nitrogen, the process comprising: (A) flowing the fluid mixture into a microchannel separator, the microchannel separator comprising a plurali... | 07/31/2007 |
| 7214645 | Production of activated carbon exhibiting an elevated catalytic activity Proposed is a process for producing active carbon with increased catalytic activity, wherein the process starts from an active carbon substrate which in particular is an active carbon substrate based on a carbon-bearing cokable raw material, and includes heating of ... | 05/08/2007 |
| 7214323 | Method for treating body waste material, and apparatus therefor A method of treating fluid body waste material includes, separating the material into factions, in which the solids content of one faction is increased substantially relative to the originating waste material, while a second faction has an increased liquid content. ... | 05/08/2007 |
| 7199080 | Process for producing activated carbon A method of producing activated carbon comprising the steps of a) pyrolysing corn derivatives to generate char and b) activating the char to produce activated corn carbon. ... | 04/03/2007 |
| 7169212 | Gas separation process This invention relates to gas separation processes using a Li-rho zeolite, in particular to an air separation process where the Li-rho zeolite is an oxygen selective adsorbent. ... | 01/30/2007 |
| 7141230 | Method of removing residual active oxy-hydrogens A method of efficiently removing active oxy-hydrogens (e.g., existing as hetero element-containing functional groups such as COOH, CHO, and OH) present in a carbon material at a relative low temperature. The invention also provides a carbon-activating material adapt... | 11/28/2006 |
| 7105108 | Graphite intercalation and exfoliation process The invention relates to expanded graphite and methods of making the graphite and products that can be made from the graphite made from the inventive process. The invention includes the step of introducing a fluid into at least one of a plurality of interstices of g... | 09/12/2006 |
| 7022162 | Use of a material and a method for retaining polyhalogenated compounds It is the object of the invention to provide a material for retaining polyhalogenated compounds, the material avoiding the drawbacks of activated carbon and polyolefins. The object is accomplished by the use of a material for retaining polyhalogenated compounds, hav... | 04/04/2006 |
| 6967014 | Method of obtaining a carbon fiber fabric by continuously carbonizing a cellulose fiber fabric The carbonization of cellulose fiber fabric comprises an initial stage of heat treatment up to 250° C. to 350° C., with a relatively high mean temperature rise speed of 10° C./min to 60° C./min, an intermediate stage up to 350° C. to 500° C. with a lower mean ... | 11/22/2005 |
| 6953494 | Sorbents and methods for the removal of mercury from combustion gases A method for removing mercury and mercury-containing compounds from a combustion gas in an exhaust gas system has the steps of providing a mercury sorbent; injecting the mercury sorbent into a stream of the mercury-containing combustion gas for a sufficient time to ... | 10/11/2005 |
| 6939394 | Gas storage and dispensing system with monolithic carbon adsorbent A fluid storage and dispensing apparatus, including a fluid storage and dispensing vessel having an interior volume, in which the interior volume contains a physical adsorbent sorptively retaining a fluid thereon and from which the fluid is desorbable for dispensing... | 09/06/2005 |
| 6916358 | Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen An adsorbent for separating nitrogen from a mixed gas of oxygen and nitrogen is MSC wherein an oxygen and nitrogen separation ratio α and a ratio (t95/t50) of a time t50 required for adsorbing 50% of the oxygen equilibrium adsorptio... | 07/12/2005 |
| 6905577 | Method for oxidation of volatile organic compounds contained in gaseous effluents and device thereof The present invention relates to both a method and a device for removing Volatile Organic Compounds (VOC) from gaseous streams in conduits, chimneys and/or exhaust ducts. The method is especially useful in eliminating a large variety of pollutants, and especially or... | 06/14/2005 |
| 6589904 | Activated carbon and method for producing it The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the activated carbonaceous material with an acid. Another embodiment of t... | 07/08/2003 |
| 6562110 | Carbon molecular sieves and methods for making the same Mixed matrix membranes capable of separating carbon dioxide from mixtures including carbon dioxide and methane, and processes for purifying methane using the membranes, are disclosed. The membranes are preferably polymer membranes, that include discrete c... | 05/13/2003 |
| 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 |
| 6500401 | Carbon foams and methods of making the same A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the unpyrolizable material to obtain the carbon foam. Carbon foam made ... | 12/31/2002 |
| 6475461 | Porous carbonaceous material, manufacturing method therefor and use thereof A halogen treatment is conducted comprising: a halogenation step wherein a halogenation heat treatment for preparing a halogenated carbonized charcoal is conducted in which the carbonized charcoal is brought into contact with halogen; and a dehalogenation... | 11/05/2002 |
| 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 |
| 6376404 | Process for the production of shaped high-performance adsorbents The invention relates to the production of shaped high-performance adsorbents by steam activation in a rotary tunnel kiln operating in batches, in which spherically pre-formed materials are carefully pre-dried in a rotary tunnel dryer with 4-fold product ... | 04/23/2002 |
| 6337302 | Method for producing activated carbon from carbon black Purified carbon black carried by a screw conveyer, while being subject to preheating treatment, is transported to a microwave heating zone where it is heated to a temperature between 250° C. and 400° C. and subsequently, it is sent into a flow-type stea... | 01/08/2002 |
| 6329316 | Granular active carbon for natural-gas occlusion and process for producing the same A granular active carbon for natural-gas occlusion is disclosed which can occlude natural gas at a relatively low pressure and has a high natural-gas occlusion capacity. The granular active carbon for natural-gas occlusion has first and second pores for t... | 12/11/2001 |
| 6316378 | Process for the production of shaped activated carbon The invention relates to a process for the production of shaped activated carbon by steam activation in an continuously operating rotary tunnel kiln, by continuously drying spherically preformed raw materials in a rotary tunnel dryer with 6-fold product t... | 11/13/2001 |
| 6248691 | Method of making mesoporous carbon Mesoporous carbon and method of making involves forming a mixture of a high carbon-yielding carbon precursor that when carbonized yields greater than about 40% carbon on a cured basis, and an additive that can be catalyst metal and/or low carbon-yielding ... | 06/19/2001 |
| 6239067 | Process and apparatus for the production of activated carbon Process for the production of activated carbon, which comprises the stages of carbonizing the starting material and activating the carbonized material. Water and/or carbon dioxide in the supercritical state are employed, as activating agents, in the activ... | 05/29/2001 |
| 6225257 | Post-carbonization treatment of microporous carbons for enhancement of methane and natural gas storage properties Microporous carbonaceous materials, useful in the storage of gaseous fuels such as methane and natural gas, are improved through modification of their microporous structure in a post-carbonization process. This modification is done by heat treatment in an... | 05/01/2001 |
| 6184177 | Method of producing activated carbon particles from spent granular organic ion-exchange resin A method of processing spent ion-exchange resins contaminated with suspended particles, inorganic residues and/or organic foreign matter so as to render the resin ineffective for continued use, by which method this waste material can be processed to produ... | 02/06/2001 |
| 6156287 | Method for preparing pan-based activated carbon fabrics PAN-based oxidized fabrics are activated by heating at a temperature of 700-1000° C. for 1 minute to 1 hour with the introduction of moisturized carbon dioxide gas. The resulting PAN-based activated fabrics are suitable for use as adsorption materials.... | 12/05/2000 |
| 6127312 | Heat-treated active carbons for use in denitration, processes for producing same denitration method using same, and denitration systems using same This invention relates to a technique for removing nitrogen oxides (NOx) present in exhaust gases discharged from boilers and the like. When the temperature of the exhaust gas is 100° C. or below, a heat-treated active carbon produced by heat-... | 10/03/2000 |
| 6060424 | High energy density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f... | 05/09/2000 |
| 6043183 | High power density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f... | 03/28/2000 |
| 5990041 | Mesoporous activated carbon filaments This invention relates to a mesoporous carbon material in the form of filaments having a high surface area. A process is also provided to produce mesoporous carbon material of high surface area. The process comprises drying a carbon material, surface oxid... | 11/23/1999 |
| 5972826 | Densified carbon black adsorbent and a process for adsorbing a gas with such an adsorbent The present invention discloses an adsorbent comprising a densified carbon black. The densified carbon black comprising the adsorbent preferably has an increase in density of from about 100% to about 500% above the undensified form of the adsorbent. The d... | 10/26/1999 |
| 5955393 | Enhanced adsorbent and room temperature catalyst particle and method of making therefor A method for producing an enhanced adsorbent and/or enhanced catalytic particle and/or for producing a catalytic particle, comprising the steps of: (a) removing an effective amount of air from a closed chamber containing an adsorbent and/or catalytic part... | 09/21/1999 |
| 5948398 | Deodorant comprising metal oxide-carrying activated carbon A metal oxide-carrying activated carbon having an oxidation catalytic activity comprises a treated activated carbon obtained by carbonizing a carbon material, activating the obtained carbon with an activating gas comprising carbon dioxide and water vapor,... | 09/07/1999 |
