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| Number | Title | Issue Date |
| 8114810 | Pathogen-resistant fabrics A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps. ... | 02/14/2012 |
| 8058207 | Pathogen-resistant fabrics A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps. ... | 11/15/2011 |
| 8058206 | Pathogen-resistant fabrics A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps. ... | 11/15/2011 |
| 7915197 | Pathogen-resistant coatings A pathogen-resistant coating comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant coating may optionally include one or more singlet oxygen traps. ... | 03/29/2011 |
| 7300586 | pH stable activated carbon An activated carbon composition is disclosed, which includes an activated carbon and a carboxylic acid containing compound. The activated carbon composition is prepared by immersing an activated carbon in an aqueous solution of a carboxylic acid containing compound.... | 11/27/2007 |
| 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 |
| 7288503 | Apparatus and method for producing activated carbon An apparatus and method for charcoal production and activation, wherein a multipurpose furnace system is utilized to manufacture high grade charcoal from hardwood starting materials, which, in turn, promotes the manufacture of activated charcoal, while providing a v... | 10/30/2007 |
| 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 |
| 7195713 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/27/2007 |
| 7160838 | Metal oxide-coated SiC foam carriers for catalysts, and catalytic systems therefor A catalyst carrier including a surface layer of oxygen-donating oxide, particularly cerine, is disclosed. A catalytic phase deposited on said carrier generally includes platinum and rhodium, thus forming a catalytic system for exhaust pipes, said catalytic phase bei... | 01/09/2007 |
| 7105083 | Activated carbons and method for obtaining same from a partly mesophase and partly mesogenic pitch A method for obtaining activated carbons from a partly mesophased and partly mesogenic pitch containing less than about 40% of the a resins, more than about 40% of type β resins and between about 5 and 30% of type γ resins by activating the pitch preceded by its o... | 09/12/2006 |
| 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 |
| 7008534 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/07/2006 |
| 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 |
| 6902589 | Method for producing shaped, activated charcoal The invention relates to a method for producing shaped, activated charcoal. According to the method, after being ground, carbon-bearing material, or a mixture of several carbon-bearing materials are rendered homogenous with a binding agent which contains water, or a... | 06/07/2005 |
| 6787029 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof Packing materials for packing columns used in chromatographic separations a... | 09/07/2004 |
| 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 |
| 6595147 | Method for adsorbing contaminants from flue gas A method and apparatus for controlling or removing mercury, mercury compounds and high molecular weight organics, if present, from a resource recovery exhaust stream by separately adding a carbonaceous char to the flue gas while it is still within the uni... | 07/22/2003 |
| 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 |
| 6585948 | Carbon molecular sieve material with structural regularity, method for preparing the same and use thereof Disclosed is a carbon molecular sieve material. It is prepared by a method comprising the step of adsorbing a mixture of an aqueous carbohydrate solution and an acid or a polymer precursor into pores of an inorganic molecular sieve material; drying and po... | 07/01/2003 |
| 6558644 | Process for preparing activated carbon from urban waste A process for the preparation of active carbon from urban waste. The waste is first stored to remove foreign materials and the size of the waste particles is reduced. The waste is dried under anaerobic conditions at a temperature range of 100° C.-150° C... | 05/06/2003 |
| 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 |
| 6439138 | Char for contaminant removal in resource recovery unit A method and apparatus for controlling or removing mercury, mercury compounds and high molecular weight organics, if present, from a waste incineration apparatus exhaust stream by separately adding a carbonaceous char to the flue gas while the flue gas is... | 08/27/2002 |
| 6353528 | Solid activated carbon, process for manufacturing the same and electric double layer capacitor using the same Disclosed is a solid activated carbon and a process for manufacturing the solid activated carbon which is particularly suitable for electrode materials used in an electric double layer capacitor and various batteries. The use of the solid activated carbon... | 03/05/2002 |
| 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 |
| 6300276 | Granular activated carbon from distillation residues A process for producing activated carbon granules in which (a) a mixture of distillation residues from isocyanate production, a carbon-containing processing auxiliary substance, and optionally one or more other additives is shaped into flowable granules; ... | 10/09/2001 |
| 6114280 | Highly activated carbon from caustic digestion of rice hull ash and method Disclosed are highly activated carbon particles derived from caustic digestion of rice hull ash obtained from thermal pyrolysis of rice hulls having an iodine number of at least 650 to 1000. The activated carbon pores are free of silicate residue from the... | 09/05/2000 |
| 6103205 | Simultaneous mercury, SO2, and NOx control by adsorption on activated carbon Regenerative adsorption of mercury on activated carbons derived from scrap tires enables the removal and recovery of mercury from combustion/incineration flue gas, with concurrent control of SO2 and NOx. Flue gas is used for regenera... | 08/15/2000 |
| 6001769 | Compositions and methods for the remediation of chemical contamination in subsurface water bearing geological formations Compositions and methods for decreasing chemical contamination in subsurface water bearing geological formations, comprising an oxidized form of lignitic coal, or its derivatives, preferably leonardite, and at least one surface active agent. The compositi... | 12/14/1999 |
| 5883040 | Activated carbon produced from agricultural residues A process for producing activated carbon from agricultural residues by heating the residues to a temperature in the range of about 250° C. to about 550° C. to volatilize organic compounds in the residues and to carbonize the residues and further heating... | 03/16/1999 |
| 5880061 | Active carbon and method for its production Active carbon having a pore size distribution obtained from a nitrogen adsorption isothermal line such that the volume of pores having a pore diameter of less than 15 Å is at least 0.25 ml/g and constitutes at least 40% of the total volume of pores havin... | 03/09/1999 |
| 5858911 | Method of producing activated carbon Disclosed is a rigid fine-celled foam composition and a method of producing it. The foam composition is nontoxic, environmentally friendly, has improved absorption/adsorption and retention of liquids, is not as hard as prior art foams, does not include po... | 01/12/1999 |
| 5789338 | Process for producing carbon foams for energy storage devices A high energy density capacitor incorporating a variety of carbon foam electrodes is described. The foams, derived from the pyrolysis of resorcinol-formaldehyde and related polymers, are high density (0.1 g/cc-1.0 g/cc) electrically conductive and have hi... | 08/04/1998 |
| 5726118 | Activated carbon for separation of fluids by adsorption and method for its preparation An activated carbon composition of matter is disclosed comprising a mixture of: (a) a first activated carbon having a plurality of pore sizes, pore volumes and pore surface areas sufficient to selectively adsorb fluids having molecular diameters from abou... | 03/10/1998 |
| 5719101 | Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications The porous granular material according to the invention comprises carbon, silica, water-soluble mineral salts and water-insoluble mineral salts, does not disintegrate in the presence of water and has a particle size of approximately 1 to 5 mm, preferably ... | 02/17/1998 |
| 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 |
| 5529971 | Carbon foams for energy storage devices A high energy density capacitor incorporating a variety of carbon foam electrodes is described. The foams, derived from the pyrolysis of resorcinol-formaldehyde and related polymers, are high density (0.1 g/cc-1.0 g/cc) electrically conductive and have hi... | 06/25/1996 |
| 5498589 | Process for the production of carbon molecular sieves A process is disclosed for preparing a carbon molecular sieve used for the separation of oxygen from nitrogen, which comprises the steps of: (a) milling hard coal to a grain size of 95% | 03/12/1996 |
| 5461023 | Storage of natural gas Natural gas is stored in a closed vessel under a pressure of about 1400 to 4500 kPa using a carbon molecular sieve adsorbent having at least 80% of its particle pore volume as micropores having diameters greater than 0.55 nm and less than 0.65 nm, particu... | 10/24/1995 |
