| Patent Number |
Title Of Patent |
Date Issued |
| 6676850 |
Method, composition and system for the controlled release of chlorine dioxide gas |
January 13, 2004 |
| Method, composition and system for generating chlorine dioxide gas in a controlled release manner by combining at least one metal chlorite and a dry solid hydrophilic material that reacts with the metal chlorite in the presence of water vapor, but does not react with the metal chlorite i |
| 6673235 |
FCC catalysts for feeds containing nickel and vanadium |
January 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 a particular kaolin which has been calcined through its characteristic e |
| 6662553 |
Control system for mobile NOx SCR applications |
December 16, 2003 |
| 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 |
| 6656347 |
Structurally enhanced cracking catalysts |
December 2, 2003 |
| 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 |
| 6627212 |
Use of effect pigments in ingested drugs |
September 30, 2003 |
| Ingestible drugs contain an effect pigment. |
| 6626989 |
Rutile titanium dioxide effect pigments and production thereof |
September 30, 2003 |
| A pearlescent pigment comprising substrate particles having an adherent layer of rutile titanium dioxide thereon is prepared by effecting the deposition of hydrous titanium dioxide on the substrate particles after contacting the particles at elevated pH with titanium tetrachloride. |
| 6616903 |
Method and apparatus for treating the atmosphere |
September 9, 2003 |
| Method and apparatus for treating the atmosphere to lower the concentration of pollutants, such as ozone, hydrocarbons, nitrogen oxides, sulfur oxides, carbon monoxide and the like, therein in which ambient air is passed into operative contact with a stationary substrate such as an a |
| 6616745 |
Black pearlescent pigments |
September 9, 2003 |
| A metal oxide-coated mica pearlescent pigment having a coating of copper chromite thereon is provided. |
| 6610124 |
Heavy hydrocarbon recovery from pressure swing adsorption unit tail gas |
August 26, 2003 |
| A pressure swing adsorption process for the separation of impurities such as nitrogen and carbon dioxide and recovery of hydrocarbons from a natural gas stream utilizes two separate adsorption systems, the first containing an adsorbent selective for nitrogen, carbon dioxide or both and t |
| 6602585 |
Shrinkable iridescent film |
August 5, 2003 |
| A shrinkable iridescent film constitutes an oriented multilayer coextruded iridescent film having at least 10 generally parallel, very thin layers of substantially uniform thickness in which the contiguous adjacent layers are of heat shrinkable thermoplastic resinous material, each of wh |
| 6586359 |
Catalytic material for treating pollutant-containing gases |
July 1, 2003 |
| 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. |
| 6586254 |
Method and apparatus for accelerated catalyst poisoning and deactivation |
July 1, 2003 |
| 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 |
| 6585945 |
SOx tolerant NOx trap catalysts and methods of making and using the same |
July 1, 2003 |
| 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 |
| 6585822 |
Kaolin clay glossing pigment and preparation thereof |
July 1, 2003 |
| Novel nanosized kaolin clay particles are prepared by agitating a fine particle size fraction of kaolin clay in a Netzsch mill until the particle size is reduced, aspect ratio is decreased and surface area is increased. The ultrafine kaolin particles are especially useful as a pigment to |
| 6581374 |
Control system for mobile NOx SCR applications |
June 24, 2003 |
| 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 |
| 6579356 |
High strength Fe-Cr brown with excellent weathering |
June 17, 2003 |
| One aspect of the invention relates to a brown pigment composition with excellent weathering resistance containing iron oxide, chromium oxide, and one or more alumina and/or silica components. Another aspect of the invention relates to a method of making a brown pigment involving com |
| 6572776 |
Method of static water softening using zeolites of novel morphology |
June 3, 2003 |
| A method of water softening utilizes macrocrystalline aggregates consisting essentially of submicron crystals of aluminosilicate zeolite. The aggregates have a size of greater than 5 microns and are used in a static bed water softening device. Both regenerable and disposable water so |
| 6572695 |
BiOCI pigment |
June 3, 2003 |
| A bismuth oxychloride effect pigment has a carbon black particulate at about the surface of the crystals of the bismuth oxychloride. The pigment is prepared by, for instance, growing the bismuth oxychloride crystals, and adding the particulate before the hydrolysis is complete. |
| 6569393 |
Method and device for cleaning the atmosphere |
May 27, 2003 |
| Method for treating atmospheric pollutants by contacting the atmosphere with a catalyst composition or adsorptive material coated on the surface of a substrate, preferably a motor vehicle radiator, in which the catalyst composition, preferably including a base metal, precious metal, or |
| 6568179 |
Apparatus and method for vehicle emissions control |
May 27, 2003 |
| An apparatus and method for vehicle emissions control are disclosed. More particularly, an apparatus and method for insuring that the temperature of a vehicle's exhaust gas stream entering the underfloor catalytic converter during engine operation does not exceed the temperature at which |
| 6562315 |
Suppression of methanation activity by a water gas shift reaction catalyst |
May 13, 2003 |
| The invention provides a process for carrying out the water gas shift reaction comprising employing a methane production suppressing water gas shift reaction catalyst, wherein the methane production suppressing water gas shift reaction catalyst comprises a methane production suppressing |
| 6559094 |
Method for preparation of catalytic material for selective oxidation and catalyst members thereo |
May 6, 2003 |
| The invention pertains to the preparation and use of catalytic materials and catalyst members for the selective oxidation of carbon monoxide in a gas stream that contains hydrogen. One such catalyst member may be produced by depositing by electric arc spraying a metal feedstock onto a |
| 6555079 |
Method and device for cleaning the atmosphere |
April 29, 2003 |
| Method for cleaning the atmosphere by adsorbing pollutants, e.g., hydrocarbons, ozone, carbon monoxide, nitrogen oxides, sulfur oxides, etc., contained in the atmosphere. The pollutant-containing atmosphere is contacted with an outer surface of a substrate, e.g., radiators, condenser |
| 6554943 |
Flakes from multilayer iridescent films for use in paints and coatings |
April 29, 2003 |
| Comminuted particles of iridescent laminate film are prepared by supporting the film on a strippable substrate prior to the processing of the film into particulate form. |
| 6548446 |
Catalyst for selective oxidation of carbon monoxide |
April 15, 2003 |
| A selective catalytic material is used in a method for selective oxidation of carbon monoxide in the presence of hydrocarbons and contains rhodium and a bismuth component either as a supported catalytic material dispersed on a refractory inorganic oxide support or as an unsupported catal |
| 6541419 |
Process for reduction of gaseous sulfur compounds |
April 1, 2003 |
| A sulfur sorber for the reduction of gaseous sulfur compounds, e.g., H.sub.2 S, in a gas stream The sulfur sorber, e.g., zinc oxide, is present in the form of one or more layers on the surface of a monolith carrier, e.g., cordierite. The layers have a total thickness of at least 3 g/ |
| 6534677 |
Non-crushable, non-friable, non-breakable carbon catalyst supports |
March 18, 2003 |
| The present invention provides a carbon-containing catalyst support that includes at least a carbonaceous material nd a thermosetting or sinterable polymer. The components are mixed and the polymer sintered or thermoset to provide a non-crushable, non-friable, and non-breakable composite |
| 6528029 |
Catalyst compositions employing sol gel particles and methods of using the same |
March 4, 2003 |
| 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. |
| 6524994 |
Nickel catalyst |
February 25, 2003 |
| A nickel catalyst comprising 0.1 to 12.5 wt. % of at least one structural promoter, selected from the group of oxides of metals and metalloids and combinations thereof, and 87.5 to 99.9 wt. % nickel, calculated on the weight of nickel and the structural promoter together, the catalyst ha |
| 6521020 |
Claus feed gas hydrocarbon removal |
February 18, 2003 |
| A process for adsorbing hydrocarbons from an acid gas stream includes passing the acid gas stream through an adsorbent which selectively removes hydrocarbons, desorbing the hydrocarbons from the adsorbent and contacting the desorbed hydrocarbons with an acid gas removal solution to remov |
| 6517899 |
Catalyst and adsorption compositions having adhesion characteristics |
February 11, 2003 |
| 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 |
| 6517611 |
Olefin separations employing CTS molecular sieves |
February 11, 2003 |
| Separation of ethylene from ethane is achieved by feeding a mixture of the C.sub.2 hydrocarbons in contact with a CTS-1 crystalline titanium silicate molecular sieve which has a controlled pore size to selectively adsorb ethylene and size exclude ethane. The feed stream can also contain |
| 6514512 |
Pesticide delivery system |
February 4, 2003 |
| In one embodiment, the present invention relates to a pesticide delivery system, containing a continuous film having a thickness from about 1 .mu.m to about 1,000 .mu.m and noncontinuous areas having sizes less than about 100 .mu.m, the continuous film containing a particulate material w |
| 6511643 |
Method for recovering and/or removing organic compounds from gas streams |
January 28, 2003 |
| The present invention relates to a method for recovering and/or removing organic compounds from gas flows, wherein the method comprises the step of: removing the organic compounds from the gas flow using an adsorber and desorbing the organic compounds using microwaves, characterized in |
| 6508863 |
Claus feed gas hydrocarbon removal |
January 21, 2003 |
| A process for adsorbing hydrocarbons from an acid gas stream includes passing the acid gas stream through an adsorbent that selectively removes hydrocarbons, desorbing the hydrocarbons from the adsorbent and contacting the desorbed hydrocarbons with an acid gas removal solution to remove |
| 6506605 |
System for sensing catalyst coating loss and efficiency |
January 14, 2003 |
| An OBD system is provided for monitoring an ozone depletion system that includes a catalyst coating containing MnO.sub.2 applied to a heat exchange surface on a moving vehicle over which atmospheric air passes. A physical characteristic of the catalyst coating or a material containing a |
| 6503970 |
Co-processed pigments |
January 7, 2003 |
| One aspect of the invention relates to a yellow pigment composition containing at least one yellow nickel titanate and at least one yellow organic pigment containing a benzimidazolone moiety. Another aspect of the invention relates to a method of making a yellow pigment composition i |
| 6497848 |
Catalytic trap with potassium component and method of using the same |
December 24, 2002 |
| A catalytic trap (10, 110) effective for conversion of NO.sub.x in an exhaust gas stream is inert to high-temperature reaction with basic oxygenated compounds of lithium, sodium or potassium. The catalytic trap may be substantially free of silica components and may include a catalytic |
| 6497750 |
Pressure swing adsorption process |
December 24, 2002 |
| A pressure swing adsorption process for the separation of nitrogen from a mixture of same with methane, utilizing two separate PSA stages, one containing a nitrogen selective adsorbent and the second containing a methane-selective adsorbent. In the process, the first PSA unit containing |
| 6492297 |
Catalyst composition for purifying exhaust gas |
December 10, 2002 |
| The present invention relates to a composite of cerium, zirconium and samarium components, a catalyst composition containing such composite and the use of the catalyst composition for the treatment of a gas stream to reduce contaminants contained therein. The catalyst composition has the |
| 6488759 |
Strong monoarylide pigment/hydrocarbyl polypropyleneamine compositions |
December 3, 2002 |
| One aspect of the invention relates to pigment composition containing a monoarylide pigment and a hydrocarbyl polypropyleneamine compound. Another aspect of the invention relates to making an monoarylide pigment involving coupling a substituted or unsubstituted acetoacetanilide with at l |
| 6486086 |
Simplified methods of manufacturing titanium silicate membranes |
November 26, 2002 |
| A simplified method of forming a porous crystalline titanium silicate membrane comprises preforming a mass of titanium dioxide particles into a consolidated preform such as by pressing into a thin film, and contacting the thin film of titanium dioxide with an aqueous alkaline silicate |
| 6478874 |
System for catalytic coating of a substrate |
November 12, 2002 |
| A catalyst composition is applied to an interior of a hollow substrate. The composition is coated on the substrate by immersing the substrate into a vessel containing a bath of coating slurry. A vacuum is then applied to the partially immersed substrate. The intensity of the vacuum and i |
| 6471924 |
Method and apparatus for NOx abatement in lean gaseous streams |
October 29, 2002 |
| A method for reduction of NO.sub.x in a lean gaseous stream includes passing the gaseous stream at a temperature within the NO.sub.x sorbing temperature range through a catalyzed trap member having an oxidation catalyst intimately combined with a sorbent material. The sorbed NO.sub.x |
| 6469112 |
(Cycloalkyl)methyl silanes as external donors for polyolefin catalysts |
October 22, 2002 |
| One aspect of the present invention relates to a catalyst system for use in olefinic polymerization, containing a solid titanium catalyst component; an organoaluminum compound having at least one aluminum-carbon bond; and an organosilicon compound comprising a (cycloalkyl)methyl group. A |
| 6464995 |
Treated horticultural substrates |
October 15, 2002 |
| Disclosed are horticultural substrates coated with a particulate membrane and a method for controlling pests and providing enhanced horticultural effect by applying a particulate membrane to the surface of the horticultural substrate. |
| 6464957 |
Polymorph-enriched ETS-4 |
October 15, 2002 |
| ETS-4 crystalline titanium silicate is produced so as to be enriched in at least one polymorph thereof which contains channels which interpenetrate the crystal lattice in both the b- and c-directions. A process of producing such a polymorph and enriched ETS-4 titanium silicate comprises |
| 6455464 |
Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications |
September 24, 2002 |
| 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 |
| 6451283 |
Macroscopic aggregates of microcrystalline zeolites |
September 17, 2002 |
| This invention relates to zeolitic molecular sieve compositions and hybrid zeolite-silica compositions characterized by novel morphology in which the zeolite is present as macroscopic aggregates of microcrystalline zeolite. The zeolitic compositions of this invention have outstanding cap |
| 6446430 |
System for reducing NOx transient emission |
September 10, 2002 |
| A catalyst reduction system using diesel fuel as a reductant for vehicles equipped with diesel engines reduces NOx transient emissions produced during acceleration. Impending engine accelerations are sensed to produce metered pulse(s) of fuel oil simultaneously with and preferably in adv |
