| Patent Number |
Title Of Patent |
Date Issued |
| 6943132 |
Structurally enhanced cracking catalysts |
September 13, 2005 |
| Zeolite microsphere FCC catalysts having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The catalysts are formed from microspheres containing a metakaolin and kaolin calcined through its exotherm, the l |
| 6942784 |
Structurally enhanced cracking catalysts |
September 13, 2005 |
| Zeolite microsphere FCC catalysts having a novel morphology comprising a porous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The catalysts are formed from microspheres containing a metakaolin and an alumina source other than kaolin having a high po |
| 6942783 |
Enhanced FCC catalysts for gas oil and resid applications |
September 13, 2005 |
| A fluid catalytic cracking catalyst is provided with a high porosity by in-situ crystallizing an aluminosilicate zeolite from a reactive microsphere comprising metakaolin and hydrous kaolin. Any calcination of the reactive microsphere before reaction with a zeolite-forming solution i |
| 6923945 |
Layered SOX tolerant NOX trap catalysts and methods of making and using the same |
August 2, 2005 |
| The present invention relates to a layered catalyst composite useful for reducing contaminants in exhaust gas streams, especially gaseous streams containing sulfur oxide contaminants. More specifically, the present invention is concerned with improved catalysts of the type generally |
| 6921738 |
Catalytic metal plate |
July 26, 2005 |
| The present invention is directed to a catalyzed metallic substrate, such as a metal plate. There is a catalyst layer supported on the substrate surface. The article is useful as part of exhaust systems which can be used with small engines for applications such as motorcycles, lawn mower |
| 6916457 |
Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications |
July 12, 2005 |
| A non-chrome, copper-containing catalyst, Cu--Al--O and method of preparing the same are provided wherein the Cu--Al--O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO.sub.3).sub.2) and sodium aluminate (Na.sub.2 Al.sub.2 O.sub.4) solutions using sodium carbonate |
| 6914026 |
Hydrothermally stable metal promoted zeolite beta for NOx reduction |
July 5, 2005 |
| The present invention is directed to an iron-promoted zeolite beta catalyst useful in the selective catalytic reduction of nitrogen oxides with ammonia in which the iron-promoted zeolite beta is treated so as to provide increased amounts of the iron promoter in the form of Fe(OH).The sta |
| 6913739 |
Platinum group metal promoted copper oxidation catalysts and methods for carbon monoxide remedia |
July 5, 2005 |
| The invention provides processes for selectively oxidizing carbon monoxide from an input gas stream that contains carbon monoxide, oxygen and hydrogen. The process includes the step of contacting the input gas stream with a preferential oxidation catalyst. The preferential oxidation |
| 6912847 |
Diesel engine system comprising a soot filter and low temperature NOx trap |
July 5, 2005 |
| The invention provides low temperature NO.sub.2 trap compositions useful for adsorbing NO.sub.2 from a gas stream at lower temperatures, and releasing the NO.sub.2 at higher temperatures. The low temperature trap compositions are useful for incorporation into a diesel exhaust system |
| 6908603 |
In-situ ZSM-5 synthesis |
June 21, 2005 |
| A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. The reaction medium |
| 6903050 |
Method of preparation of non-pyrophoric copper-alumina catalysts |
June 7, 2005 |
| Provided is a process for preparing a non-pyrophoric catalyst having about 2 to 20 wt. % of a copper component, wherein at least 50 wt. % of the copper component is in the form of a copper oxide, aluminum oxide-spinel. The catalyst can be prepared by forming a mixture of a copper precurs |
| 6902612 |
Heat stable laked monoazo red pigment |
June 7, 2005 |
| Disclosed is a red pigment represented by Formula I: ##STR1##having a unique X-ray diffraction pattern. Also disclosed is a red pigment composition containing the pigment represented by Formula I and a surfactant. Also disclosed is a method of making a red pigment composition. Furthe |
| 6877275 |
Method of weed control |
April 12, 2005 |
| Disclosed are methods of reducing weed growth or reducing pests involving applying to plant producing media particulate materials to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the |
| 6875264 |
Multi-layer effect pigment |
April 5, 2005 |
| A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least thre |
| 6872686 |
Hydrophobic catalytic materials and method of forming the same |
March 29, 2005 |
| A catalytic composition and method of making the same in which a catalytic material has an average pore size distribution sufficiently large to substantially prevent capillary condensation. |
| 6863984 |
Catalyst and adsorption compositions having improved adhesion characteristics |
March 8, 2005 |
| A composition and method for improving the adhesion properties of catalytic and adsorptive compositions to a substrate through the addition of clay and/or silicone binder is disclosed. Preferably, the composition includes manganese dioxide and attapulgite clay and/or a silicone polymer w |
| 6855245 |
Hydrogenation process |
February 15, 2005 |
| The invention is directed to a process for the hydrogenation of a sulfur containing feedstock, having a sulfur content of less than 50 ppm, wherein the feedstock is hydrogenated in the presence of a precious metal catalyst and a nickel-catalyst, said process being carried out in such a m |
| 6852298 |
NOx reduction composition for use in FCC processes |
February 8, 2005 |
| A composition for controlling NO.sub.x emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silve |
| 6849572 |
Process for generating hydrogen-rich gas |
February 1, 2005 |
| A layered catalyst member useful for catalytically generating a hydrogen-rich gas from a hydrocarbon feed. The layered catalyst member comprises a monolith substrate containing at least one layer of a steam reforming catalyst in contact with at least one layer of a catalytic partial |
| 6849187 |
Arsenic removal media |
February 1, 2005 |
| Disclosed is a heavy metal removal media containing ferric hydroxide having unique levels of microporosity and mesoporosity/macroporosity, and/or a specific average particle size and/or granule size. The ferric hydroxide is made by simultaneously combining in a vessel at least one iron s |
| 6826906 |
Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines |
December 7, 2004 |
| A diesel engine aftertreatment exhaust system uses catalyzed soot filters for particulate matter reduction and urea SCR catalysts for NOx reduction on diesel engines in a combined system to lower particulate matter and NOx at the same time. With this integral emission control system, die |
| 6821333 |
Color effect materials and production thereof |
November 23, 2004 |
| A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective layer which acts as a reflector to light directed thereon and a spacer pigment layer which is selectively transparent to |
| 6818254 |
Stable slurries of catalytically active materials |
November 16, 2004 |
| A method and apparatus for treating the atmosphere comprising moving a vehicle through the atmosphere, the vehicle having at least one atmosphere contacting surface and a pollutant treating composition located on said surface. A specific embodiment comprises coating a motor vehicle radia |
| 6811600 |
Chemically bulked kaolin clay pigment compatible with calcium carbonate and manufacture thereof |
November 2, 2004 |
| In a process for preparing a white pigment mixture suitable for coating paper wherein a cationically bulked kaolin clay pigment is dispersed in water in the presence of an anionic dispersant and mixed with a calcium carbonate pigment, the improvement which comprises using an epichlor |
| 6800773 |
Chemical process |
October 5, 2004 |
| The invention is directed to a process for carrying out a chemical reaction in a reactor, comprising passing a reaction mixture in liquid phase through at least one structured reactor element present in said reactor, the internal surface of said reactor element that comes into contact wi |
| 6800586 |
NOx reduction composition for use in FCC processes |
October 5, 2004 |
| A composition for controlling NO.sub.x emissions during FCC processes comprises (i) an acidic oxide support, (ii) cerium oxide, (iii) a lanthanide oxide other than ceria such as praseodymium oxide, and (iv), optionally, an oxide of a metal from Groups Ib and IIb such as copper, silve |
| 6800125 |
Oxide metallic effect materials |
October 5, 2004 |
| A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective silver layer which acts as a reflector to light directed thereon and an iron oxide layer. |
| 6799137 |
Wafer temperature measurement method for plasma environments |
September 28, 2004 |
| The temperature of a semiconductor wafer (160) is measured while undergoing processing in a plasma (168) environment. At least two pyrometers (162, 164) receive radiation from, respectively, the semiconductor wafer and the plasma in a plasma process chamber. The first pyrometer receives |
| 6794037 |
High chroma effect materials |
September 21, 2004 |
| A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective silver layer which acts as a reflector to light directed thereon, a spacer layer which is selectively transparent to light |
| 6790432 |
Suppression of methanation activity of platinum group metal water-gas shift catalysts |
September 14, 2004 |
| Provided is a method and apparatus for producing hydrogen from an input gas stream containing carbon monoxide and steam that includes contacting the input gas stream with a catalyst. The catalyst contains an inorganic oxide support; a platinum group metal dispersed on the inorganic oxide |
| 6777370 |
SOx tolerant NOx trap catalysts and methods of making and using the same |
August 17, 2004 |
| The present invention relates to a layered catalyst composite useful for reducing contaminants in exhaust gas streams, especially gaseous streams containing sulfur oxide contaminants. More specifically, the present invention is concerned with improved catalysts of the type generally |
| 6764665 |
Layered catalyst composite |
July 20, 2004 |
| The present invention relates to a layered catalyst composite of the type generally referred to as a three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. The structure of t |
| 6761875 |
Rare earth silicate molecular sieves |
July 13, 2004 |
| Rare earth silicate octahedral/tetrahedral molecular sieves with the octahedral chains as rare earth centers exhibit enhanced thermal and hydrothermal stability. |
| 6756486 |
Non-migrating metallized disazo green shade yellow pigment |
June 29, 2004 |
| Disclosed are green shade yellow pigments represented by the Formula I: ##STR1##wherein R.sup.1 and R.sup.2 are independently selected from hydrogen, hydroxy, halogen, an alkyl group having 1 to about 4 carbon atoms, an alkoxy group having 1 to about 4 carbon atoms, a halo-alkyl group |
| 6753285 |
Process for regenerating a used precious metal catalyst |
June 22, 2004 |
| The invention is directed to a process for the regeneration of a catalyst, said catalyst comprising at least one precious metal on an amorphous silica-alumina support, in which process the catalyst is impregnated with an acid, followed by reduction or oxidation of the impregnated catalys |
| 6742330 |
Method for determining catalyst cool down temperature |
June 1, 2004 |
| A diesel powered vehicle is provided with an SCR system which uses an external reducing reagent to convert NOx emissions in a manner which accounts for the effects of NOx transient emissions on the reducing catalyst. Actual NOx emissions produced by the engine are filtered using a va |
| 6737036 |
Catalyst compositions employing sol gel particles and methods of using the same |
May 18, 2004 |
| Composite of at least two metal oxides in the form of Primary Particles and a support having a particle size greater than the Primary Particles used in the formation of a catalyst composition for the treatment of a pollutant containing gas. |
| 6727202 |
Enhanced NOx trap having increased durability |
April 27, 2004 |
| A catalytic trap disposed in an exhaust passage of an internal combustion engine which is operated with periodic alternations between lean and stoichiometric or rich conditions, for abatement of NO.sub.x in an exhaust gas stream which is generated by the engine. The trap comprises a |
| 6727097 |
Method and apparatus for accelerated catalyst poisoning and deactivation |
April 27, 2004 |
| An article, apparatus and method for simulating poisoning and deactivating catalysts with catalyst poison compounds at least one catalyst poison compound selected from the group consisting of a compound comprising phosphorous, a compound comprising zinc compound and a compound comprising |
| 6716338 |
FCC catalysts for feeds containing nickel and vanadium |
April 6, 2004 |
| A fluid catalytic cracking catalyst made from microspheres that initially contain kaolin, a dispersible boehmite alumina and a sodium silicate or silica sol binder. The kaolin portion contains hydrous kaolin and optionally spinel, or mullite, or both spinel and mullite made via kaolin |
| 6706658 |
Catalyst for purification of aromatic acids |
March 16, 2004 |
| One aspect of the invention relates to a catalyst composite containing an extruded catalyst support containing an extruded activated carbonaceous material having specifically a defined pore structure. For example, the extruded activated carbonaceous material may have pores wherein at lea |
| 6706109 |
Optically variable interference pigments |
March 16, 2004 |
| Optically variable interference pigments are composed of platelets of at least partly core-free titanium dioxide-coated substrate of about 1-25 mm particle size and an interference thickness of about 5-600 nm which have an oxide coating thereon. |
| 6699529 |
Method for coating vehicular radiators with ozone depleting slurry catalyst |
March 2, 2004 |
| A method for coating vehicular radiators with an ozone depleting manganese oxide catalyst in slurry form utilizes a robotic arm with multiple spray heads for spraying the face of the radiator. Each head is in fluid communication with its own dedicated peristaltic pump. The pumps are |
| 6699448 |
SOx tolerant NOx trap catalysts and methods of making and using the same |
March 2, 2004 |
| 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 trap catalysts for use in |
| 6699404 |
Massive bodies containing free halogen source for producing highly converted solutions of chlori |
March 2, 2004 |
| A massive body, e.g., a tablet, for producing a solution of chlorine dioxide when the massive body is added to liquid water. The massive body comprises a metal chlorite such as sodium chlorite, an acid source such as sodium bisulfate and a source of free halogen such as the sodium salt o |
| 6696378 |
Fluid catalytic cracking catalyst manufacturing process |
February 24, 2004 |
| An in situ process for making improved zeolitic fluid cracking catalysts by spray drying a mixture of (i) hydrous kaolin and/or metakaolin, and (ii) calcined aluminum source, said calcined aluminum source being derived from a pulverized, ultrafine kaolin, calcining the resulting microsph |
| 6693657 |
Additive for YAG laser marking |
February 17, 2004 |
| A calcined powder of co-precipitated mixed oxides of tin and antimony is used as a YAG laser marking additive. The additive is designed to impart little to no color to the plastic in which it is incorporated but to provide a high contrast dark marking after being exposed to a YAG laser. |
| 6689709 |
Hydrothermally stable metal promoted zeolite beta for NOx reduction |
February 10, 2004 |
| The present invention is directed to a metal-promoted zeolite beta catalyst useful in the selective catalytic reduction of nitrogen oxides with ammonia in which the zeolite beta is pre-treated so as to provide the zeolite with improved hydrothermal stability.The stabilized beta zeolite i |
| 6685910 |
Macroscopic aggregates of microcrystalline zeolites for static water softening applications |
February 3, 2004 |
| Novel morphologies are provided for aluminosilicate zeolite ion-exchange materials useful for static water softening. The zeolites are provided in the form of large aggregates composed of submicron zeolite crystals. Rapid exchange rates, high hardness ion capacity and increased attrition |
| 6685898 |
Hydrophobic catalytic materials and method of forming the same |
February 3, 2004 |
| A catalytic composition and method of making the same in which a catalytic material has an average pore size distribution sufficiently large to substantially prevent capillary condensation. |
