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| Number | Title | Issue Date |
| 8148297 | Reticular cordierite composition, article and manufacture thereof A porous ceramic material is disclosed having a principal cordierite phase, the porous ceramic material exhibiting a normalized strength greater than 20 MPa. The cordierite phase has a reticular microstructure. A method for forming a porous ceramic body having a pre... | 04/03/2012 |
| 7338603 | Process using rare earths to remove oxyanions from aqueous streams Oxyanions of various contaminant elements, such as chromium, antimony, molybdenum, tungsten, vanadium and uranium, are removed from water and other aqueous feeds by treating the feed with (1) a sorbent comprising one or more rare earth compounds, usually mixed or su... | 03/04/2008 |
| 7314847 | Regenerable sorbents for COcapture from moderate and high temperature gas streams A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali si... | 01/01/2008 |
| 7288499 | Regenerable high capacity sorbent for removal of mercury from flue gas A regenerable, high-capacity sorbent for removal of mercury from flue gas and processes and systems for making and using the sorbent. A phyllosilicate substrate, for example vermiculite or montmorillinite, acts as an inexpensive support to a thin layer for a polyval... | 10/30/2007 |
| 7220704 | Desulfurization and novel compositions for same A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods... | 05/22/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 6998100 | Sulfur oxide sorption with layered chlorite-type contact solids Chlorite-like phyllosilicate materials are found useful as SOx sorbents. A novel process of sulfur oxide sorption is provided utilizing these layered materials as contact solids. Typical industrial applications include sulfur removal from fluid catalyst c... | 02/14/2006 |
| 6913010 | Reusable fire starter and method of use A method of using a fire starter includes providing a fire starter made of a calcium silicate hydrate with an inflammable liquid and a packaging at least partially surrounding the fire starter; removing a portion of the packaging to expose a portion of the surface a... | 07/05/2005 |
| 6855665 | Compositions to remove radioactive isotopes and heavy metals from wastewater The present invention provides compositions and a method to remove a plurality of radioactive isotopes and/or heavy metals simultaneously from water or wastewater. The compositions comprise lattice clays; flocculants; a neutron absorbent; catalysts; and a setter. Th... | 02/15/2005 |
| 6712974 | Filterable composite adsorbents This invention relates to filterable composite adsorbents comprising one or more adsorbent components and one or more filtration components, and methods for preparing and using same. More particularly, this invention pertains to filterable composite adsorbents and f... | 03/30/2004 |
| 6383981 | Adsorbent for the removal of trace quantities from a hydrocarbon stream and process for its use An adsorbent product for the adsorption of trace elements of sulfur, arsenic, mercury, compounds which contain these elements or metal hydrides from a hydrocarbon gas stream, preferably an olefinic or paraffinic stream, wherein the adsorbent product is ir... | 05/07/2002 |
| 6339040 | Composition of adsorbent An absorbing composition containing alumino silicate containing schistose particles having at least partially a layered structure with substantially parallel layers, whereby at least for 30 percent by weight of the alumino silicate containing schistose pa... | 01/15/2002 |
| 6281164 | SOx additive systems based upon use of multiple particle species The useful life of SOx additives having a SO2.fwdarw.SO.sub.3 oxidation catalyst component and a SO3 absorption component can be extended by employing each of these components as separate and distinct physical particles, p... | 08/28/2001 |
| 6187355 | Recovery of used frying oils Treatment and recovery of used frying oils uses combinations of adsorbents and antioxidants which provide unexpected improvements in used frying oil adsorptive and other properties, quality and service life such that the recovered frying oil can be reused... | 02/13/2001 |
| 6133497 | Catalyst for removing olefins from aromatic compounds or mixtures thereof A catalyst is described on the basis of acid-activated smectitic clay minerals for removing olefins from aromatic compounds or mixtures of aromatic compounds which is characterized in that the acid-activated clay mineral contains at least 5 milli-equivale... | 10/17/2000 |
| 6080805 | Polymer modifying agent A polymer modifying agent for use in increasing the shelf life of natural rubber. The polymer modifying agent consists of a zeolite, a high molecular weight fatty acid, a starch, a catalyst, and rubber processing oil and aliphatic resin. The compound bond... | 06/27/2000 |
| 6074984 | SOx Additive systems based upon use of multiple particle species The useful life of SOX additives having a SO2 .fwdarw.SO3 oxidation catalyst component and a SO3 absorption component can be extended by employing each of these components as separate and distinct physical parti... | 06/13/2000 |
| 6048821 | SOx additive systems based upon use of multiple particle species The useful life of SOX additives having a SO2 .fwdarw.SO3 oxidation catalyst component and a SO3 absorption component can be extended by employing each of these components as separate and distinct physical parti... | 04/11/2000 |
| 5846431 | Method for removing dyestuff in dyeing waste and a dyeing stuff removing preparation A preparation for removing dyestuff in dyeing waste water includes a carbonized carbonaceous material and powdery or granular bakuhanseki deposited on the surface of the carbonized carbonaceous material. In one aspect of the invention, a preparation for r... | 12/08/1998 |
| 5719098 | Sorbent based on smectitic clay minerals reacted with alkaline ion exchanger A sorbent based on smectitic clay minerals with originally low water uptake ability wherein the smectitic clay minerals are chemically reacted with at least one solid ion exchanger in alkaline form.... | 02/17/1998 |
| 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 |
| 5607889 | Process for producing an active composite and active composite produced by this process Process for producing an active composite consisting of a support and an active agent is disclosed. The process comprises mixing expanded graphite and an exfoliated lamellar compound, compressing the mixture to form a support which has a graphite density ... | 03/04/1997 |
| 5569534 | Reactant in the form of granules for thermochemical systems Reactant for thermochemical systems, including a support which is, for example, recompressed expanded graphite or vermiculite, and an active agent, for example a salt. According to the invention, the support is in the form of granules of graphite having a... | 10/29/1996 |
| 5488023 | Method of making activated carbon having dispersed catalyst A method for making an activated carbon supported catalyst, the method comprising combining a carbon precursor and a catalyst precursor, curing the carbon precursor if necessary, carbonizing the carbon precursor, and activating the carbon to produce the a... | 01/30/1996 |
| 5455058 | Ethylene sorbing substances A synthetic double-layered permanganate material including a synthetic double-layered hydroxide material modified such that permanganate anion is included to a level greater than approximately 20% of the theoretical anion exchange capacity of the hydroxid... | 10/03/1995 |
| 5439866 | Silver-containing tobermorite A novel silver-containing tobermorite usable in place of silver-, copper- or zing-incorporating zeolites and having ethylene-adsorbing ability and antibacterial properties. Stated more particularly, a silver-containing tobermorite having a composition of ... | 08/08/1995 |
| 5401482 | Talc substances having specific surface properties and method of manufacture The invention relates to talc substances consisting of particles having a sheet structure. These substances are characterised in that each particle has internally the crystalline structure of talc which confers upon it certain specific properties of this ... | 03/28/1995 |
| 5369072 | Granular media for removing contaminants from water and methods for making the same Adsorbent media are prepared by contacting support material with iron containing solutions, followed by drying to coat the support material with iron. Support materials such as sand and olivine are described. The adsorbent material can be used to remove m... | 11/29/1994 |
| 5300469 | Composition for passivating vanadium in catalytic cracking and preparation thereof Disclosed is a vanadium trap for use in FCC which comprises a major amount of calcined kaolin clay, free magnesium oxide and an in situ formed magnesium silicate cement binder. Also disclosed are procedures for the preparation of the trap by forming a slu... | 04/05/1994 |
| 5254516 | Fluidizable zinc titanate materials with high chemical reactivity and attrition resistance Highly durable and chemically reactive zinc titanate materials are prepared in a particle size range of 50 to 400 μm suitable for a fluidized-bed reactor for removing reduced sulfur species in a gaseous form by granulating a mixture of fine zinc oxide an... | 10/19/1993 |
| 5229094 | Talc substances having specific surface properties, methods of manufacture and applications The invention relates to talc substances consisting of particles having a sheet structure. These substances are characterised in that each particle has internally the crystalline structure of talc which confers upon it certain specific properties of this ... | 07/20/1993 |
| 5102854 | Adsorbent compositions for the removal of hydrogen sulfide from fluid streams A novel sorbent comprising zinc oxide and a Group IIA metal silicate. A process for the removal of hydrogen sulfide from a fluid stream that comprises contacting a fluid stream with the novel sorbent. A further feature of this invention includes a novel m... | 04/07/1992 |
| 5086022 | Reaction medium improving the characteristics of absorption and of desorption of a gas Process for improving the characteristics of absorption and desorption of a gas by a reaction medium consisting of several salts in powder form and a porous solid product, characterized in that it consists in mixing 0 to 60% by mass of the porous product ... | 02/04/1992 |
| 5035804 | Oil spill water treatment The invention relates to compositions and methods for removing oil from water surfaces. The composition comprises a fine grained particulate material, such as expanded perlite or vermiculite, or sand, coated with an oleophilic/hydrophobic layer comprising... | 07/30/1991 |
| 4952388 | Method of treating phyllosilicates There is disclosed a method of treating phyllosilicate materials by exposing the materials to a source of hydrogen ions to hydrate hydroxyl ions on and in the phyllosilicate structure. The source of hydrogen ions may be a simple organic, or mineral, acid,... | 08/28/1990 |
| 4925826 | Method of producing an adsorbent from bloating minerals and calcium sulfate hemihydrate The invention relates to a method of producing an adsorbent where an expanded granular bloating mineral and calcium sulfate hemihydrate are mixed to form a granulated material where the calcium sulfate hemihydrate is converted in toto into calcium sulfate... | 05/15/1990 |
| 4906398 | Reactive absorbents for the conservation of harvested vegetable products There are described new reactive adsorbents from sepiolite, as carrier, and an oxidant agent, particularly a permanganate salt, preferably potassium permanganate. There is also described the process for preparing said reactive adsorbents, and a process fo... | 03/06/1990 |
| 4902662 | Processes for preparing and regenerating a copper containing mercury collecting solid mass The invention relates to a process for preparing a mercury collecting solid mass containing a carrier and copper, at least partly as copper sulfide, comprising the following steps of: (a) incorporating with the carrier at least one copper compound other than ... | 02/20/1990 |
| 4875910 | Filter for removing cancer causing compounds from exhaust fumes Industrial exhaust polyaromatic hydrocarbons are readily absorbed by flowing through a bed of dry porous pellets consisting of a mixture of natural magnesium silicate selected from short chrysotile asbestos fibers, attapulgite and mixtures thereof with a ... | 10/24/1989 |
| 4784982 | Composite phylosilicate adsorbent and process for preparation thereof Disclosed is a composite body comprising amorphous and porous silica or silica-alumina and a layer of an aluminum-containing phylosilicate formed on surfaces of primary particles of the silica or silica-alumina. This composite phylosilicate is obtained by... | 11/15/1988 |
