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| Number | Title | Issue Date |
| 7932209 | Solid matter A, liquid matter B produced by using the A, liquid heating matter produced by using the B and method for producing the heating matter Disclosed are a liquid heating element and a method for production thereof, and more particularly a solid ingredient A, a liquid ingredient B produced from the solid ingredient A, a liquid heating element produced from the liquid ingredient B and a method for produc... | 04/26/2011 |
| 7727932 | Activated carbon fibers and engineered forms from renewable resources A method of producing activated carbon fibers (ACFs) includes the steps of providing a natural carbonaceous precursor fiber material, blending the carbonaceous precursor material with a chemical activation agent to form chemical agent-impregnated precursor fibers, s... | 06/01/2010 |
| 7371270 | Odour absorbing filters An odor adsorbing or deodorizing filter which comprises a matrix or substrate impregnated with a mixture of particulate chemically modified activated carbon and particulate activated carbon, together with a binder. The filter may be incorporated into an ostomy colle... | 05/13/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7255743 | Method of making synthetic gems comprising elements recovered from remains of a species of the kingdom animalia This invention is a method of making a synthetic gem comprising elements recovered from remains of a species of the Kingdom Animalia, comprising the steps of collecting substantially pure carbon from the remains and creating gems from the carbon using crystal growth... | 08/14/2007 |
| 7256157 | Carbon material for electric double layer capacitor electrodes A carbon material for electric double layer capacitor electrodes which is obtained by a heat treatment and an activation treatment of a material pitch having a softening point in a range of 150 to 350° C., a ratio of amounts by atom of hydrogen to carbon (H/C) in a... | 08/14/2007 |
| 7186441 | Processes for manufacturing particles coated with activated lignosulfonate Processes for forming a filter material that includes coating a filter particle with a coating comprising a lignosulfonate, carbonizing the coating, and activating the coating. The filter particles may include a variety of filter particles, including but not limited... | 03/06/2007 |
| 7160366 | Filter element An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded res... | 01/09/2007 |
| 7101417 | Activated carbon for odor control and method for making same An activated carbon/metal oxide filter element is disclosed. The filter element may be prepared by blending an activated carbon, a metal oxide, and a binder to form a filter media mixture, shaping the filter media mixture into a filter body. The filter body may be c... | 09/05/2006 |
| 7091156 | 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... | 08/15/2006 |
| 7088570 | Carbonized product used for production of activated carbon for electrode of electric double-layer capacitor A carbonized product 10 used for production of activated carbon for an electrode of an electric double-layer capacitor, includes a plurality of crystallites 12 each having a graphite structure in an amorphous carbon matrix 11. The interlayer dis... | 08/08/2006 |
| 7066110 | Method of manufacturing granulated body for absorbing excrement of animals Moisture absorbing efficiency of excrement is enhanced by providing a high degree of porosity and a high porosity ratio to a hydraulic granulated body and a non-hydraulic granulated body in a method of manufacturing a granulated body for absorbing excrement of anima... | 06/27/2006 |
| 7060211 | Yam and cloths made mainly from bamboo sheaths and methods for manufacturing the same The present invention provides yarn and cloths made by utilizing bamboo fiber and methods for manufacturing these yarn and cloths, thereby the bamboo fiber can be utilized by being extracted from sheaths of bamboo shoots or bamboo sheaths that generate at the root o... | 06/13/2006 |
| 6914034 | Adsorbents for removing heavy metals and methods for producing and using the same Adsorbents for removing anions of a heavy metals comprise a porous carbon in which at least one oxygen-containing compound of iron, copper, and/or aluminum is incorporated. The oxygen-containing compound may be incorporated into the porous carbon by impregnation or ... | 07/05/2005 |
| 6599856 | Formed activated carbon and process for producing the same A formed activated carbon has a Kiya crushing strength of 1 kg or more and a specific heat of 0.4 J/K.multidot.cc or more at 25° C.... | 07/29/2003 |
| 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 |
| 6573212 | Method of making shaped activated carbon A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the C... | 06/03/2003 |
| 6471923 | Process for adsorbing and desording oxides of nitrogen The invention concerns materials for adsorbing and desorbing oxides of nitrogen NO and NO2 present in exhaust gases, in particular from the internal combustion engines of automotive vehicles operating in a medium which is super-stoichiometric i... | 10/29/2002 |
| 6277780 | Preparation of phosphorus-treated activated carbon composition Disclosed is a method for preparing a phosphorus treated activated carbon composition suitable for use as a catalyst support, a catalyst, and an adsorbent. The invention method involves treating (e., mixing or impregnating) an activated carbon material ha... | 08/21/2001 |
| 6225256 | Activated carbon feedstock An activated carbon and method of producing and using same. Pecan hulls are fractured to produce a particle size of less than a predetermined size (e.g., 75 microns), chemically activated in an acid solution, carbonized, and washed.... | 05/01/2001 |
| 6187713 | Method of making activated carbon bodies having improved adsorption properties An activated carbon body and method of making the body which involves providing an inorganic substrate, thermosetting resin, and an adsorption enhancing additive which can be sulfur and/or oil which is non-miscible with and non-reactive with the carbon pr... | 02/13/2001 |
| 6140493 | Method of synthesizing diverse collections of oligomers A general stochastic method for synthesizing random oligomers can be used to synthesize compounds to screen for desired properties. The use of identification tags on the oligomers facilitates identification of oligomers with desired properties.... | 10/31/2000 |
| 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 |
| 5965483 | Highly microporous carbons and process of manufacture A process for further chemical activation of activated carbon is disclosed comprising activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to 5% to 15% moisture content, activating this blend at from ... | 10/12/1999 |
| 5710092 | Highly microporous carbon A highly microporous activated carbon is disclosed which is prepared by activation of an active carbon precursor material with a potassium hydroxide solution, pre-drying the blend to below 25% moisture content, activating this blend at from about 650° to... | 01/20/1998 |
| 5626637 | Low pressure methane storage with highly microporous carbons A process is disclosed for storing gaseous hydrocarbon fuel in storage containers under relatively low pressure by including in the cylinders highly microporous carbons prepared by further chemical activation of activated carbon comprising activation an a... | 05/06/1997 |
| 5538932 | Preparation of high activity, high density activated carbon with activatable binder An improved method of manufacturing hard activated carbon pellets is disclosed in which a lignocellulose material is chemically activated to form a char and heated to a temperature above about 360° C. which char is ground and then agglomerated in a pin m... | 07/23/1996 |
| 5416056 | Production of highly microporous activated carbon products A two-stage process for chemical activation of lignocellulose-derived carbon is disclosed comprising a first activation stage of blending a lignocellulose material with phosphoric acid, carbonizing the blend at from about 300° F. to about 1,100° F. (abo... | 05/16/1995 |
| 5391534 | Process for producing activated charcoal A process for preparing activated charcoal having a high surface area is described, including a thermal treatment, in the presence of phosphoric acid, of regenerated humic acids.... | 02/21/1995 |
| 5324703 | Method of preparation of gasoline vapor adsorptive activated carbon A method of manufacturing hard pelleted activated carbon is disclosed in which pellets are first formed by agglomeration in a pin mixer followed by pelleting the plasticized acid char (without the use of additional binders), and then activating the carbon... | 06/28/1994 |
| 5304527 | Preparation for high activity, high density carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. A novel proce... | 04/19/1994 |
| 5276000 | Preparation for high activity, high density carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. An improved p... | 01/04/1994 |
| 5250491 | Preparation of high activity, high density activated carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. An agglomerat... | 10/05/1993 |
| 5238470 | Emission control device Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the carbon's mesoporosity. Alternative processe... | 08/24/1993 |
| 5212144 | Process for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 05/18/1993 |
| 5206207 | Preparation for high activity high density carbon Carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the carbon's mesoporosity. The carbon is particularly suited fo... | 04/27/1993 |
| 5204310 | High activity, high density activated carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the carbon's mesoporosity. Alternative processe... | 04/20/1993 |
| 5202302 | Preparation of activated carbons by impregnation with a boron compound and a phosphorus compound A process is provided for preparing fibrous or film type activated carbon including the steps of carbonizing a cellulosic material and activating the resulting carbon, each stop occurring at a temperature between 200° C. and 1100° C. in an oxidation-sup... | 04/13/1993 |
| 5162286 | Method of producing granular activated carbon There is described a method of producing activated carbon using the phosphoric acid activation process. The starting material employed is a young carbonaceous vegetable product which is comminuted to form particles having a very small particle size. The p... | 11/10/1992 |
