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| Number | Title | Issue Date |
| 7370657 | Activated carbon-containing sorbent An activated carbon-containing sorbent is capable of selectively removing one or more selected gaseous components from a gas. The activated carbon-containing sorbent can be incorporated in a smoking article to remove one or more selected components from mainstream s... | 05/13/2008 |
| 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 |
| 7176160 | Method for forming a Fischer-Tropsch catalyst using a boehmite support A method is provided for forming a highly active Fischer-Tropsch catalyst using boehmite having a particular crystallite size. In this method, a support material comprising boehmite is contacted with a catalytic metal-containing compound to form a catalyst precursor... | 02/13/2007 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 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 |
| 6740621 | Attrition resistant Fischer-Tropsch catalyst and support A catalyst support having improved attrition resistance and a catalyst produced therefrom. The catalyst support is produced by a method comprising the step of treating calcined γ-alumina having no catalytic material added thereto with an acidic aqueous solution hav... | 05/25/2004 |
| 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 |
| 5750026 | Device for removal of contaminants from fluid streams A device for purifying a workstream of contaminants and method of making. One device is made of an inorganic monolithic porous particulate filter and a continuous uninterrupted coating of activated carbon impregnated into the pores of the filter. Preferab... | 05/12/1998 |
| 5736485 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and an organic binder provide improved performance when processed through tumbling equipment while the pellets are in their "green" state, i.e., pellets which are fresh off the extruder ... | 04/07/1998 |
| 5691270 | Shaped lignocellulosic-based activated carbon Extruded pellets comprising a majority of activated carbon particles and a minority of a binder material are disclosed to provide improved performance when processed through tumbling equipment while the pellets are in their "green" state (i.e., pellets wh... | 11/25/1997 |
| 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 |
| 5451554 | Activated carbon bodies having epoxy resin and bentonite binders A carbon body and method for making the body. The body is characterized by carbon particles bonded together with bentonite clay and a cured epoxy resin. The bentonite content is about 5% to about 30% by weight based on carbon. The epoxy resin and curing a... | 09/19/1995 |
| 5403809 | Composite inorganic supports containing carbon for bioremediation Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria and which are upset resistant to acids and bases. The bodies have a significantly large average pore diameter of about 0.5 to 100 mic... | 04/04/1995 |
| 5272126 | Adsorption type packing for gas chromatography and process for producing the same An adsorption type packing for gas chromatography composed of finely divided carbon particles in whole, and having a ratio of nitrogen gas adsorption at a relative pressure of 0.3 (V0.3) to nitrogen gas adsorption at a relative pressure of abou... | 12/21/1993 |
| 5248651 | Process for the production of carbon molecular sieves A process for producing carbon molecular sieves for the separation of oxygen and nitrogen, whereby finely ground hard coal particles are oxidized with air in a fluidized bed, the coal is then formed after the addition of water and binders and carbonized a... | 09/28/1993 |
| 4780239 | Ion exchange resin for immobilizing radioactive waste Disclosed is a method of making an ion exchange material. A ceramic material is ion implanted with sulfur, carbon, phosphorus, or nitrogen, which is oxidized to sulfate, carboxylate or carbonate, phosphate, or nitrate, respectively, or the nitrogen is red... | 10/25/1988 |
| 4526887 | Carbon molecular sieves and a process for their preparation and use The instant invention is directed to carbon molecular sieves which are capable of separating gas or liquid mixtures containing components of at least two different molecular diameters, molecular weights or molecular shapes, said molecular sieve having an ... | 07/02/1985 |
| 4316938 | High density carbon adsorbent composite Adsorbent composite composed of a high density substrate particle which is non-reactive under conditions of use and which is encapsulated with adherent activated carbon.... | 02/23/1982 |
| 4201831 | Magnetic adsorbent composite Magnetic adsorbent composite composed of a magnetic substrate particle which is non-reactive under conditions of use and which is encapsulated with adherent activated carbon.... | 05/06/1980 |
| 4144193 | Granular activated carbon manufacture from sub-bituminous coal treated with dilute inorganic acid Granular activated carbon is manufactured from sub-bituminous coal by crushing and screening the as received coal containing about 10 to about 25% moisture by weight to produce 8/30 mesh granules, treating the granules with a dilute aqueous solution of in... | 03/13/1979 |
| 3960761 | Production of strong active carbon moldings In the production of break-resistant and abrasion-resistant shaped structures of active carbon, comprising the steps of molding a finely divided, carbon-containing starting material with a binder, hardening the molding, eliminating volatile constituents f... | 06/01/1976 |
