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| Number | Title | Issue Date |
| RE44124 | 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... | 04/02/2013 |
| 8273676 | Puffed bentonite litter An animal litter such as a clay material is treated to reduce the bulk density thereof by contacting the clay material with an aqueous electrolyte solution and then heating at an elevated temperature. Substantial reductions in bulk density have been achieved without... | 09/25/2012 |
| 8129302 | Blended hydrous kaolin clay product The disclosed invention relates to a blended hydrous kaolin clay product comprising a platy coarse kaolin clay and a fine, hydrous kaolin clay. The blended kaolin clay product is suitable for use as a raw material component in the formation of cordierite products. | 03/06/2012 |
| 8084384 | Magnesium aluminosilicate clays—synthesis and catalysis This invention is directed to a synthesis process for preparing magnesium aluminosilicate clays and to the products of said process. Briefly, a silicon component, an aluminum component, and a magnesium component are combined, under aqueous conditions and at an acidi... | 12/27/2011 |
| 7910511 | Method of preparing metallic nanoparticles and materials thus obtained The invention relates to a method of preparing metallic nanoparticles and to the materials thus obtained. More specifically, the invention relates to a method of preparing metallic nanoparticles consisting in: selecting a precursor from the salts, hydroxides and oxi... | 03/22/2011 |
| 7829493 | Method of preparing metallic nanoparticles and materials thus obtained The invention relates to a method of preparing metallic nanoparticles and to the materials thus obtained. More specifically, the invention relates to a method of preparing metallic nanoparticles consisting in: selecting a precursor from the salts, hydroxides and oxi... | 11/09/2010 |
| 7553792 | Sulfur-impregnated and coupling agent-reacted organoclay mercury and/or arsenic ion removal media The use of two mercury and arsenic removal media: A) a sulfur-impregnated organoclay; and B) a coupling agent-reacted organoclay, wherein the coupling agent preferably contains a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides mercury remova... | 06/30/2009 |
| 7510992 | Sulfur-impregnated and coupling agent-reacted organoclay mercury and/or arsenic ion removal media The use of two mercury and arsenic removal media: A) a sulfur-impregnated organoclay; and B) a coupling agent-reacted organoclay, wherein the coupling agent preferably contains a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides mercury remova... | 03/31/2009 |
| 7473663 | Process for the preparation of an additive-containing anionic clay Process for the preparation of an additive-containing anionic clay comprising the steps of (a) preparing a physical mixture of a divalent and a trivalent metal compound, (b) calcining the physical mixture at a temperature in the range 200-800° C. without performing... | 01/06/2009 |
| 7449422 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst The present invention relates to a solid, acid catalyst for the preparation of polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer... | 11/11/2008 |
| 7442664 | Process for the preparation of an FCC catalyst This invention relates to a process for the preparation of a fluid catalytic cracking catalyst with improved attrition resistance. According to this preparation process, an aqueous slurry comprising a zeolite, day, and poly aluminum chloride is spray-dried and subse... | 10/28/2008 |
| 7425232 | Hydrogen storage apparatus comprised of halloysite Disclosed in this specification is an apparatus for storing hydrogen which is comprised of molecular hydrogen, halloysite rods, and a supporting substrate wherein hydrogen is stored within the lumen of the halloysite rods. ... | 09/16/2008 |
| 7417005 | Process for making, and use of, anionic clay materials Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased h... | 08/26/2008 |
| 7396522 | Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst The present invention relates to a catalyst useful for removal of hydrogen sulphide from gas streams and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst. ... | 07/08/2008 |
| 7390766 | Hydroconversion catalysts and methods of making and using same Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid,... | 06/24/2008 |
| 7390358 | Modified kaolin compositions and methods for making same A method for preparing a modified kaolin clay, includes the steps of providing a kaolin clay material having a starting ratio of silica to alumina; mixing the kaolin clay material with acid so as to form a substantially homogenous paste; calcining the paste so as to... | 06/24/2008 |
| 7361714 | Catalyst and method for hydrogenating aromatic compounds The invention relates to the hydrogenation of aromatic compounds, in particular the preparation of alicyclic polycarboxylic acids or esters of these, via ring hydrogenation of the corresponding aromatic polycarboxylic acids or esters of these, and also to catalysts ... | 04/22/2008 |
| 7329308 | Air handling and chemical filtration system and method The present invention relates to systems and methods for controlling humidity and temperature in gases or air streams used in semiconductor processing systems. These systems and methods can be used in combination with systems and methods for contaminant detection an... | 02/12/2008 |
| 7329626 | Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes A method for making a solid catalytic component for a Ziegler-Natta catalyst includes contacting a particulate porous support with a solution of a hydrocarbon soluble organomagnesium precursor compound in a hydrocarbon solvent; and reacting said hydrocarbon soluble ... | 02/12/2008 |
| 7326270 | Filter A filter has a honeycomb structural body having a plurality of large-capacity through holes and small-capacity through holes placed in parallel with one another in a length direction. A total (a) of lengths in the cross section of wall surfaces of one large-capacity... | 02/05/2008 |
| 7326346 | High capacity regenerable sorbent for removal of 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... | 02/05/2008 |
| 7314843 | Method for synthesis of lamellar solids from an amino-alcohol-type organic structuring agent The invention relates to a process for synthesis of lamellar solids based on silicates comprising: i) a mixing stage, during which a mixture that comprises an alkaline metal, a silica source, water and an organic structuring agent ... | 01/01/2008 |
| 7309679 | Attrition resistant MTO catalyst A process is presented for the formation of a SAPO-34 catalyst product. The process creates a harder, more attrition resistant catalyst for use in the MTO process. ... | 12/18/2007 |
| 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 |
| 7300905 | Methods for their manufacture of adsorbent Using zeolites as the active adsorbent, adsorbent laminates have been fabricated with various sheet supports. These adsorbent laminates have been successfully operated for oxygen enrichment at high PSA cycle frequencies, such as upwards of at least 150 cycles per mi... | 11/27/2007 |
| 7300899 | Lithium exchanged zeolite X adsorbent blends A lithium exchanged zeolite X adsorbent blend with improved performance characteristics produced by preparing a zeolite X, preparing a binder which includes highly dispersed attapulgite fibers wherein the tapped bulk density of the highly dispersed attapulgite fiber... | 11/27/2007 |
| 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 |
| 7278253 | Robot with a line guidance device The subject matter of the invention concerns a robot with at least one conductor guiding apparatus (1) running at least partially on the outside, in which guiding apparatus conductors, hoses or similar are guided. The conductor guiding apparatus (1) ha... | 10/09/2007 |
| 7273914 | Olefin polymerization methods Methods for making polyolefins are disclosed. One method comprises polymerizing an olefin in the presence of a catalyst system comprising a single-site complex, an agglomerated metal oxide/clay support-activator, and an ionic borate. Including an ionic borate with t... | 09/25/2007 |
| 7267805 | Particle trap and assemblies and exhaust tracts having the particle trap A particle trap, which may be installed in a pipe, e.g. in an exhaust tract of a motor vehicle, is provided for the agglomeration and oxidation of particles in a fluid flow and includes a multiplicity of substantially rectilinear and mutually parallel flow passages ... | 09/11/2007 |
| 7267604 | Grinding abrasive grains, abrasive, abrasive solution, abrasive solution preparation method, grinding method, and semiconductor device fabrication method Abrasive grains have mainly grains with a roundness of 0.50 or more and 0.75 or less, where the roundness is defined as the ratio of the circumference of a circle having the same area as that of a grain to the perimeter of that grain. An abrasive has the abrasive gr... | 09/11/2007 |
| 7250387 | Filter system The present invention is an improved filtration system, filtering method and unique chemical composition for capturing mercury and other pollutants in flue gases generated by process gas streams. The improved filtration system may take various forms depending on the... | 07/31/2007 |
| 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 |
| 7235507 | Catalyst for purifying diesel engine exhaust emissions A diesel oxidation catalyst comprising a honeycomb substrate washcoated with a mixture of clay, a refractory oxide and a zeolite is disclosed. The washcoated substrate is subsequently deposited with a precious metal catalyst and a sulfur oxidation suppressant. In a ... | 06/26/2007 |
| 7223823 | Catalyst system and process This invention relates to a process of polymerizing ethylene in a reactor comprising contacting a catalyst system comprising a supported chromium catalyst and an aluminum alkyl cocatalyst, where the catalyst and cocatalyst are contacted by cofeeding the catalyst and... | 05/29/2007 |
| RE39553 | SOx tolerant NOx trap catalysts and methods of making and using the same The present invention relates to sulfur tolerant catalyst composites useful for reducing contaminants in exhaust gas streams, especially gaseous streams containing sulfur oxide contaminants. More specifically, the present invention is concerned with improved NOx tra... | 04/10/2007 |
| 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 |
| 7176266 | Catalyst for vinyl compound polymerization and process for producing vinyl polymer A catalyst for polymerizing vinyl compounds or α-olefins according to the present invention includes (A) a transition metal complex, (B) a clay, clay mineral or ion-exchangeable layered compound, modified with at least one organic compound selected from the group c... | 02/13/2007 |
| 7166341 | Hot melt adhesives based on graft copolymers Water-soluble or water-dispersible hotmelt adhesives are prepared using graft copolymers produced by graft copolymerizing olefinically unsaturated monomers onto polyalkylene oxides. The adhesives additionally contain at least one resin which improves tackiness and t... | 01/23/2007 |
| 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 |
