| JOHNSON MATTHEY PUBLIC LIMITED COMPANY Patent applications |
| Patent application number | Title | Published |
| 20120123142 | PROCESS FOR HYDROGENATING KETONES IN THE PRESENCE OF RU(II) CATALYSTS - The present invention relates to a process for hydrogenating a substrate comprising a carbon-heteroatom double bond, the process comprising the step of reacting the substrate with hydrogen gas in the presence of a hydrogenation catalyst, wherein the hydrogenation catalyst is a complex of formula (I): R | 05-17-2012 |
| 20120122660 | OXIDATION CATALYST - An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii). | 05-17-2012 |
| 20120121486 | FILTER COMPRISING COMBINED SOOT OXIDATION AND NH3-SCR CATALYST - A wall-flow filter for filtering particulate matter from a flowing exhaust gas comprises a catalyst for catalysing both the conversion of solid carbon in the particulate matter by oxygen and the selective reduction of oxides of nitrogen in the exhaust gas with a nitrogenous reductant, which catalyst comprising optionally stabilised ceria and at least one metal selected from (i) tungsten and (ii) both tungsten and iron. | 05-17-2012 |
| 20120117965 | REFORMER UNIT - A diesel engine having an inlet side and an outlet side provided with at least one inlet valve and one outlet valve per cylinder, comprises a reformer catalyst unit comprising a catalyst located downstream of the outlet valve(s) and located such that a proportion of the hot exhaust passes through the catalyst whilst the remainder of the hot exhaust passes to a turbocharger and/or to exhaust gas aftertreatment, wherein the catalyst unit is provided with diesel fuel supply means, preferably in the form of a diesel fuel injector, such that diesel fuel may be injected to provide heat to the reformer catalyst to raise it to an effective reforming temperature. The output from the reformer unit may be fed to the inlet side of the engine, and/or may be admixed with the remainder of the exhaust gases prior to catalytic aftertreatment. Improvements in emission control are possible. | 05-17-2012 |
| 20120117953 | THREE WAY CATALYST COMPRISING EXTRUDED SOLID BODY - A three way catalyst comprises an extruded solid body comprising: 10-100% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) the at least one precious metal is carried in one or more coating layer(s) on a surface of the extruded solid body; (ii) at least one metal is present throughout the extruded solid body and at least one precious metal is also carried in one or more coating layer(s) on a surface of the extruded solid body; or (iii) at least one metal is present throughout the extruded solid body, is present in a higher concentration at a surface of the extruded solid body and at least one precious metal is also carried in one or more coating layer(s) on the surface of the extruded solid body. | 05-17-2012 |
| 20120117952 | EXTRUDED SCR FILTER - A wall-flow filter comprises a catalyst for converting oxides of nitrogen in the presence of a reducing agent, which wall-flow filter comprising an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilised ceria, which catalyst comprising at least one metal, wherein: the at least one metal is present throughout the extruded solid body alone or in combination with: is also present in a higher concentration at a surface of the extruded solid body; is also carried in one or more coating layer(s) on a surface of the extruded solid body; or both. | 05-17-2012 |
| 20120117948 | EXHAUST GAS AFTERTREATMENT - A method to improve NO | 05-17-2012 |
| 20120117943 | REFORMER - An exhaust gas treating system for a gasoline engine, comprising an exhaust gas manifold comprising an annular reforming catalyst mounted within an annular housing and fuel supply means in direct fluid connection with the catalyst, an outlet for reformed fuel products in direct fluid connection with the catalyst, and means to permit a proportion of the engine-out exhaust gases to enter the annular catalyst to mix with fuel from the fuel supply means and to pass through the catalyst, the annular housing being located such that hot engine-out exhaust gases can flow around and through the centre of the housing, such that heat is transferred from the exhaust gases to the catalyst within the housing. The reformate may be passed to the inlet side of the engine, to improve overall efficiency of the engine, and/or may be mixed with exhaust gas before catalytic aftertreatment, to improve the control of emissions. | 05-17-2012 |
| 20120116109 | PREPARATION OF A METAL COMPLEX - The present invention provides a process for the preparation of a Pd(0)L | 05-10-2012 |
| 20120110988 | NOx ABSORBER CATALYSTS | 05-10-2012 |
| 20120107203 | METHOD AND SYSTEM USING A FILTER FOR TREATING EXHAUST GAS HAVING PARTICULATE MATTER - A filter for filtering particulate matter (PM) from exhaust gas emitted from a positive ignition engine or a compression ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a washcoat comprising a plurality of solid particles wherein the porous structure of the washcoated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size. | 05-03-2012 |
| 20120097033 | FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FROM A COMPRESSION IGNITION ENGINE - A filter for filtering particulate matter (PM) from exhaust gas emitted from a compression ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a wash coat comprising a plurality of solid particles comprising a molecular sieve promoted with at least one metal wherein the porous structure of the wash coated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size. | 04-26-2012 |
| 20120093702 | SMALL PORE MOLECULAR SIEVE SUPPORTED COPPER CATALYSTS DURABLE AGAINST LEAN/RICH AGING FOR THE REDUCTION OF NITROGEN OXIDES - A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducing atmosphere. The catalyst has an initial activity and the catalyst has a final activity after the at least one period of exposure to the reducing atmosphere. The final activity is within 30% of the initial activity at a temperature between 200 and 500° C. | 04-19-2012 |
| 20120046466 | PREPARATION OF OPIATE ANALGESICS BY REDUCTIVE ALKYLATION - A process for preparing a compound of formula (A), (B) or (C): | 02-23-2012 |
| 20120046161 | TERNARY PLATINUM ALLOY CATALYST - A platinum alloy catalyst PtXY, wherein X is nickel, cobalt, chromium, copper, titanium or manganese and Y is tantalum or niobium, characterised in that in the alloy the atomic percentage of platinum is 46-75 at %, of X is 1-49 at % and of Y is 1-35 at %; provided that the alloy is not 66 at % Pt20 at % Cr14 at % Ta or 50 at % Pt, 25 at % Co, 25 at % Ta is disclosed. The catalyst has particular use as an oxygen reduction catalyst in fuel cells, and in particular in phosphoric acid fuel cells. | 02-23-2012 |
| 20120045710 | GAS DIFFUSION SUBSTRATE - A gas diffusion substrate comprising a non-woven fibre web, thermally conductive materials and a carbonaceous residue, wherein the thermally conductive materials and carbonaceous residue are embedded within the non-woven fibre web and wherein the thermally conductive materials have a maximum dimension of between 1 and 100 μm and the gas diffusion substrate has a porosity of less than 80% is disclosed. The substrate has particular use in phosphoric acid fuel cells. | 02-23-2012 |
| 20120034702 | METHOD AND APPARATUS FOR MEASURING FLUORESCENCE IN LIQUIDS - A method of measuring the fluorescence of a fluorescent marker compound dissolved or dispersed in a bulk material includes: (a) measuring a characteristic of the fluorescence of a mixture of said bulk material and said fluorescent marker compound; (b) quenching the fluorescence of the fluorescent marker compound to produce a quenched mixture; (c) measuring the characteristic of the fluorescence of the quenched mixture; (d) comparing the fluorescent characteristic of the mixture with the fluorescent characteristic of the quenched mixture; and (e) correcting the measured fluorescent emission characteristic for the effects of the absorbance of the bulk material. The measurement may be further corrected to account for the absorbance of the material which is also known to have an effect on the measured fluorescence. A method of tagging and identifying a bulk material with a fluorescent marker compound, and an apparatus for carrying out the methods are also described. | 02-09-2012 |
| 20120031085 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst includes two catalyst layers containing a fire resistant inorganic compound carrying a catalyst component in an exhaust gas passage of a base material provided with the exhaust gas passage penetrating through the base material from the exhaust gas introduction port side to discharge port side, wherein each catalyst layer is formed by supporting the catalyst component on a different fire resistant inorganic compound, a catalyst layer extended from the exhaust gas introduction port side to the exhaust gas discharge port side and a catalyst layer extended from the exhaust gas discharge port side to the exhaust gas introduction port side are formed such that the catalyst layers are overlapped on each other and the exhaust gas introduction port side is coated only with one of the catalyst layers and the exhaust gas discharge port side is coated only with the other. | 02-09-2012 |
| 20110300018 | CATALYSTS - A sterilant such as ozone used for large scale decontamination of, for example, a hospital room, may be destroyed and the room made safe, by passing the atmosphere in the room over a catalyst which is silver oxide in combination with titania. The catalyst may be readily regenerated and used again. | 12-08-2011 |
| 20110295008 | PROCESS FOR PREPARING CATIONIC RUTHENIUM COMPLEXES - A process is described for the preparation of a solid cationic [ruthenium (arene) (phosphorus ligand) (halogen)] complex comprising the step of treating the complex with at least one alkane. Further described is a process for preparing a cationic [ruthenium (arene) {4,4′-bis(disubstituted-phosphino)-3,3′-bipyridine} (halogen)] complex comprising the step of reacting [ruthenium (arene) (halogen) 2]2 and a 4,4′-bis(disubstituted-phosphino)-3,3′-bipyridine ligand in a solvent consisting of at least one alcohol. | 12-01-2011 |
| 20110281720 | SMALL PORE MOLECULAR SIEVE SUPPORTED COPPER CATALYSTS DURABLE AGAINST LEAN/RICH AGING FOR THE REDUCTION OF NITROGEN OXIDES - A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducing atmosphere. The catalyst has an initial activity and the catalyst has a final activity after the at least one period of exposure to the reducing atmosphere. The final activity is within 30% of the initial activity at a temperature between 200 and 500° C. | 11-17-2011 |
| 20110281132 | METHOD FOR COATING PARTICLES - The present invention relates to a method for coating primary particles with secondary particles using dual asymmetric centrifugal forces wherein, the primary particles comprise (a) at least one metal, or (b) at least one ceramic; the secondary particles comprise at least one metal or salt thereof; and wherein the secondary particles are more malleable than the primary particles. | 11-17-2011 |
| 20110274606 | THERMALLY REGENERABLE NITRIC OXIDE ADSORBENT - A method of reducing nitrogen oxides (NO | 11-10-2011 |
| 20110268624 | COATING A MONOLITH SUBSTRATE WITH CATALYST COMPONENT - A method of coating a honeycomb monolith substrate comprising a plurality of channels with a liquid comprising a catalyst component comprises the steps of: (i) holding a honeycomb monolith substrate substantially vertically; (ii) introducing a pre-determined volume of the liquid into the substrate via open ends of the channels at a lower end of the substrate; (iii) sealingly retaining the introduced liquid within the substrate; (iv) inverting the substrate containing the retained liquid; and (v) applying a vacuum to open ends of the channels of the substrate at the inverted, lower end of the substrate to draw the liquid along the channels of the substrate. | 11-03-2011 |
| 20110263417 | NON-ZEOLITE BASE METAL SCR CATALYST - An article for treating a gas containing nitrogen oxides including:
| 10-27-2011 |
| 20110258993 | EXHAUST SYSTEM FOR LEAN BURN IC ENGINE INCLUDING PARTICULATE FILTER AND NOX ABSORBENT - An exhaust system for a lean burn internal combustion engine comprises a particulate filter (CSF), a first NO | 10-27-2011 |
| 20110250127 | TRANSITION METAL/ZEOLITE SCR CATALYSTS - A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt. | 10-13-2011 |
| 20110232266 | GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER - A gasoline engine having an exhaust system comprises means for trapping particulate matter (PM) from the exhaust gas and a catalyst for catalysing the oxidation of the PM by carbon dioxide and/or water in the exhaust gas, which catalyst comprising a supported alkali metal. The invention further includes a method of combusting PM from a gasoline engine in CO | 09-29-2011 |
| 20110214412 | EXHAUST SYSTEM COMPRISING NOx STORAGE CATALYST AND CSF - An exhaust gas aftertreatment system for a diesel-engined vehicle, which system comprising a NO | 09-08-2011 |
| 20110190500 | PROCESS FOR PREPARING CATIONIC RHODIUM COMPLEXES - A process is described for the synthesis of a cationic [rhodium diolefin phosphorus ligand] complex comprising the steps of: (a) reacting a rhodium-diolefin-1,3-diketonate and an acid in a ketone solvent, (b) adding a stabilising olefin to form a stabilised cationic rhodium compound, and (c) mixing a phosphorus ligand with the solution of the stabilised cationic rhodium compound to form a solution of the cationic [rhodium diolefin phosphorus ligand] complex. The solution may be used directly or the complex recovered. In one embodiment, the solution may be combined with a co-solvent and the ketone removed to give a new catalyst solution, from which the complex may be recovered. | 08-04-2011 |
| 20110189068 | SYSTEM FOR TREATING A GAS STREAM - A system for treating a gas stream containing nitrogen oxides (NO | 08-04-2011 |
| 20110182791 | CATALYSTS FOR THE REDUCTION OF AMMONIA EMISSION FROM RICH-BURN EXHAUST - A system for reducing ammonia (NH3) emissions includes (a) a first component comprising a first substrate containing a three-way catalyst, wherein the first component is disposed upstream of a second component comprising a second substrate containing an ammonia oxidation catalyst, wherein said ammonia oxidation catalyst comprises a small pore molecular sieve supporting at least one transition metal; and (b) an oxygen-containing gas input disposed between the components. For example, a CHA Framework Type small pore molecular sieve may be used. A method for reducing NH | 07-28-2011 |
| 20110182790 | TRANSITION METAL-CONTAINING ALUMINOSILICATE ZEOLITE - A synthetic alumino silicate zeolite catalyst containing at least one catalytically active transition metal selected from the group consisting of Cu, Fe, Hf, La, Au, In, V, lanthanides and Group VIII transition metals, which alumino silicate zeolite is a small pore aluminosilicate zeolite having a maximum ring size of eight tetrahedral atoms, wherein the mean crystallite size of the aluminosilicate zeolite determined by scanning electron microscope is >0.50 micrometer. | 07-28-2011 |
| 20110179777 | EXHAUST SYSTEM FOR A LEAN BURN IC ENGINE - An exhaust system( | 07-28-2011 |
| 20110174016 | APPARATUS & PROCESS FOR TREATING OFFSHORE NATURAL GAS - A process for treating offshore natural gas includes processing the natural gas on an off-shore processing facility by, (i) liquefying and fractionating the natural gas to generate a liquefied natural gas stream and a higher hydrocarbon stream, (ii) vapourising at least a portion of the higher hydrocarbon stream, (iii) passing the vapourised higher hydrocarbon stream and steam over a steam reforming catalyst to generate a reformed gas mixture comprising methane, steam, carbon oxides and hydrogen, (iv) passing the reformed gas mixture over a methanation catalyst to generate a methane rich gas, and (v) combining the methane-rich gas with the natural gas prior to the liquefaction step. | 07-21-2011 |
| 20110173959 | EXHAUST SYSTEM FOR LEAN-BURN INTERNAL COMBUSTION ENGINE COMPRISING PD-AU-ALLOY CATALYST - An apparatus (10) comprising a lean burn internal combustion engine (12) and an exhaust system (14) comprising at least one catalytic aftertreatment component (18, 20, 22), wherein the at least one catalytic aftertreatment component comprises a catalyst composition comprising an alloy consisting of palladium and gold on a metal oxide support. | 07-21-2011 |
| 20110160050 | Metal Oxide Sols - A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabiliser ions. The metal oxide particles include one or more metals selected from a first group consisting of cerium, zirconium, iron, manganese and titanium, and one or more metals selected from a second group consisting of platinum, palladium, rhodium, ruthenium, iridium and osmium. The sols can be used to deposit catalytic coatings onto catalyst substrates, including substrates with narrow channels (i.e. channels with a diameter of less than 500 μm). | 06-30-2011 |
| 20110158871 | EXHAUST SYSTEM FOR A VEHICULAR POSITIVE IGNITION INTERNAL COMBUSTION ENGINE - An exhaust system for a vehicular positive ignition internal combustion engine comprises a filter for filtering particulate matter from exhaust gas emitted from the engine, which filter comprising a porous substrate having inlet and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a three-way catalyst washcoat comprising a plurality of solid particles wherein the porous structure of the washcoated porous substrate contains pores of a second mean pore size, which is less than the first mean pore size, and a three-way catalyst washcoat disposed on a separate substrate monolith located upstream of the filter, wherein a mass of three-way catalyst washcoat on the upstream substrate monolith is ≦75% of the total mass of three-way catalyst washcoat in the exhaust system. | 06-30-2011 |
| 20110154807 | NOx TRAP - A NOx trap comprises components comprising at least one platinum group metal, at least one NOx storage material and bulk ceria or a bulk cerium-containing mixed oxide deposited uniformly in a first layer on a honeycombed substrate monolith, the components in the first layer having a first, upstream, zone having increased activity relative to a second, downstream zone for oxidising hydrocarbons and carbon monoxide, and a second, downstream, zone having increased activity to generate heat during a desulphation event, relative to the first zone, wherein the second zone comprises a dispersion of rare earth oxide, wherein the rare earth oxide loading in the second zone is greater than the loading in the first zone. An exhaust system for a lean burn internal combustion engine, a vehicle comprising a lean burn internal combustion engine and the exhaust system and methods of making the NOx trap are also disclosed. | 06-30-2011 |
| 20110146251 | EXHAUST SYSTEM FOR A VEHICLE HAVING A "STOP-START" COMPRESSION IGNITION ENGINE - A vehicle comprises a compression ignition engine provided with engine management means and having a catalyst for exhaust gas aftertreatment, wherein the engine management means is configured, when in use, to detect idle conditions and upon determining that idle conditions exist, stops the engine entirely, wherein the catalyst comprises a honeycomb substrate monolith coated with a catalytic washcoat comprising one or more precious metal, which catalytic washcoat being arranged between a first, upstream washcoat zone and a second, downstream washcoat zone, wherein a thermal mass in the first washcoat zone is different from a thermal mass in the second washcoat zone and wherein a washcoat layer in the first, upstream washcoat zone is substantially contiguous with a washcoat layer in the second, downstream washcoat zone. | 06-23-2011 |
| 20110144341 | PREPARATION OF OPIATE ANALGESICS BY REDUCTIVE ALKYLATION - A process for preparing a compound of formula (A), (B) or (C): | 06-16-2011 |
| 20110139002 | ADSORPTION OF VOLATILE ORGANIC COMPOUNDS DERIVED FROM ORGANIC MATTER - A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5. | 06-16-2011 |
| 20110137089 | PROCESS FOR INCREASING HYDROGEN CONTENT OF SYNTHESIS GAS - A process for increasing the hydrogen content of a synthesis gas containing one or more sulphur compounds is described, comprising the steps of (i) heating the synthesis gas and (ii) passing at least part of the heated synthesis gas and steam through a reactor containing a sour shift catalyst, wherein the synthesis gas is heated by passing it through a plurality of tubes disposed within said catalyst in a direction co-current to the flow of said synthesis gas through the catalyst. The resulting synthesis gas may be passed to one or more additional reactors containing sour shift catalyst to maximise the yield of hydrogen production, or used for methanol production, for the Fischer-Tropsch synthesis of liquid hydrocarbons or for the production of synthetic natural gas. | 06-09-2011 |
| 20110124749 | PROCESS FOR THE GENERATION OF A SYNTHESIS GAS - A process for the generation of a synthesis gas comprising: (a) forming a raw synthesis gas, (b) dividing the raw synthesis gas into first and second streams, (c) subjecting the first stream to the water gas shift reaction to form a shifted gas mixture, (d) cooling the second raw synthesis gas stream and shifted gas mixture to below the dew point to form a dry raw synthesis gas mixture, and a dry shifted gas mixture respectively, (e) feeding the dry raw synthesis gas mixture and a dry shifted gas mixture to a gas-washing unit operating by counter-current solvent flow, such that the solvent flowing through said unit contacts first with the dry raw gas mixture and then the dry shifted gas mixture, and (f) collecting from said gas-washing unit a synthesis gas having a stoichiometry ratio, R═(H | 05-26-2011 |
| 20110120086 | Reductant addition in exhaust system comprising NOx-absorbent - An exhaust system for a vehicular lean-burn internal combustion engine comprises a NO | 05-26-2011 |
| 20110113774 | IMPROVEMENTS IN EMISSIONS CONTROL - A lean-burn natural gas-fuelled diesel engine comprising an exhaust system comprising an oxidation catalyst. The engine can be used in a mobile application, e.g. to power a vehicle, or it can be a stationary engine for power generation. | 05-19-2011 |
| 20110105817 | PROCESS FOR THE CONVERSION OF FATTY ACIDS AND DERIVATIVES THEREOF - A process for the production of a hydrocarbon product comprises contacting a feedstock with a catalyst composition comprising an active metal selected from platinum, palladium, nickel, cobalt, copper, ruthenium, rhodium and rhenium and an active porous material which is active for the isomerisation of unsaturated hydrocarbons, wherein the feedstock comprises a fatty acid a fatty acid ester, a monoglyceride, a diglyceride or a triglyceride. | 05-05-2011 |
| 20110098474 | PROCESS FOR THE SYNTHESIS OF MORPHINANE COMPOUNDS AND INTERMEDIATES THEREOF - This invention relates to intermediates useful in the preparation of opiate alkaloids, particularly morphinane compounds. The invention also relates to processes for preparing such intermediates and to processes which utilise such intermediates in the synthesis of morphinane compounds. | 04-28-2011 |
| 20110092596 | POLYMORPHS OF BROMFENAC SODIUM AND METHODS FOR PREPARING BROMFENAC SODIUM POLYMORPHS - Different polymorphs of bromfenac sodium may be prepared and interconverted using crystallization/recrystallization, drying and/or hydration techniques. | 04-21-2011 |
| 20110091790 | ION-CONDUCTING MEMBRANE STRUCTURES - An ion-conducting membrane structure comprising (i) an ion-conducting membrane wherein said membrane has a first face and a second face, (ii) a first hydrogen peroxide decomposition catalyst and (iii) a first radical scavenger, wherein the first hydrogen peroxide decomposition catalyst is in a first layer on the first face of the ion-conducting membrane in an amount from 0.01 to 15 μg/cm | 04-21-2011 |
| 20110033374 | CATALYSED FILTER - A wall-flow filter monolith substrate having a porosity of at least 40% formed from a selective catalytic reduction (SCR) catalyst of extruded type. | 02-10-2011 |
| 20110028718 | PARACYCLOPHANE-BASED LIGANDS, THEIR PREPARATION AND USE IN CATALYSIS - A substituted paracyclophane is described of formula (I) wherein X | 02-03-2011 |
| 20100324313 | METHOD FOR THE PURIFICATION OF PROSTAGLANDINS - The present invention provides a method for the purification of a prostaglandin by supercritical fluid chromatography, said method comprising the use of a stationary phase and a mobile phase comprising carbon dioxide, provided that when the stationary phase is unmodified silica gel, the prostaglandin is not luprostiol. The invention also provides prostaglandins obtainable by the method. | 12-23-2010 |
| 20100305349 | PROCESS FOR PREPARING A COMPLEX - The present invention provides a process for the preparation of a complex of formula (A) or (B): | 12-02-2010 |
| 20100296032 | OPTICAL FILM, PREPARATION METHOD OF THE SAME, AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved. | 11-25-2010 |
| 20100290963 | TRANSITION METAL / ZEOLITE SCR CATALYSTS - A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt. | 11-18-2010 |
| 20100267548 | SMALL PORE MOLECULAR SIEVE SUPPORTED COPPER CATALYSTS DURABLE AGAINST LEAN/RICH AGING FOR THE REDUCTION OF NITROGEN OXIDES - A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducing atmosphere. The catalyst has an initial activity and the catalyst has a final activity after the at least one period of exposure to the reducing atmosphere. The final activity is within 30% of the initial activity at a temperature between 200 and 500° C. | 10-21-2010 |
| 20100266473 | BASE METAL CATALYSTS FOR THE OXIDATION OF CARBON MONOXIDE AND VOLATILE ORGANIC COMPOUNDS - A method for oxidizing carbon monoxide (CO) and volatile organic compounds (VOCS) comprises contacting a gas containing water vapor and said CO and VOCs with a catalyst composition comprising at least one base metal promoter and at least one base metal catalyst supported on an oxide support material comprising one or more of alumina, silica, zirconia, ceria, and titania, wherein the VOCs comprise one or more of methyl acetate, methane, methyl bromide, benzene, methanol, methyl ethyl ketone, butane, and butene. | 10-21-2010 |
| 20100239478 | FILTER - A filter for filtering particulate matter (PM) from exhaust gas emitted from a positive ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a washcoat comprising a plurality of solid particles wherein the porous structure of the washcoated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size. | 09-23-2010 |
| 20100229722 | METHOD FOR REMOVING HEAVY METALS FROM GASES - In the removal of heavy metals such as mercury from fluid streams, especially coal-derived syn-gas streams, a sulphided palladium-containing absorber gives improved results by way of mercury-absorption capacity if the absorber is sulphided. | 09-16-2010 |
| 20100209811 | MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly having a peripheral edge region and a central region. The membrane electrode assembly comprises an ion-conducting membrane, first and second electrocatalyst layers disposed either side of the ion-conducting membrane, and first and second gas diffusion layers disposed either side of the first and second electrocatalyst layers respectively. The membrane electrode assembly further comprises an edge protection member, the edge protection member comprising a film layer, a bonding layer, and one or more additives selected from the group consisting of free radical decomposition catalyst, self regenerating antioxidant, hydrogen donors (H-donor) primary antioxidant, free radical scavenger secondary antioxidant, oxygen absorbers (oxygen scavenger) and elemental palladium. The edge protection member is positioned between the membrane and the first and/or second gas diffusion layer at the peripheral edge region of the membrane electrode assembly, and the edge protection member overlaps the first and/or second electrocatalyst layers. | 08-19-2010 |
| 20100205935 | REDUCING COOKING OVER Ag/Al2O3 HC-SCR CATALYST - The present invention relates to a method of reducing coking over a AgZAl | 08-19-2010 |
| 20100178224 | LEAN NOx TRAP/CONVERSION CATALYST - A process and composition for converting nitrogen oxides present in exhaust gases produced by an internal combustion engine utilize cobalt and at least one alkali metal or alkaline earth metal as a component of an adsorbent. The process involves contacting the exhaust gas with an adsorbent which adsorbs the nitrogen oxides in lean-burn conditions and recurrently reducing the oxygen concentration of the exhaust gas. During such periods of reduced oxygen concentration, the nitrogen oxides are then desorbed and reduced to nitrogen, thereby reducing the concentration of the nitrogen oxides in the exhaust gas. The composition of the adsorbent comprises an oxide support and at least two components loaded on the support and containing cobalt and at least one alkali metal or alkaline earth metal. The composition demonstrates improved activity at higher temperatures and improved thermal stability. | 07-15-2010 |
| 20100170230 | WASHCOATED PARTICULATE FILTER SUBSTRATE - An apparatus comprises a particulate filter substrate for an internal combustion engine, the filter substrate is coated at least in part with a washcoat, and the washcoat comprises a relatively high density material having a density of at least 3.50 gcm | 07-08-2010 |
| 20100155297 | REMOVAL OF NITROGEN COMPOUNDS - A process for the removal of one or more nitrogen compounds, e.g. basic nitrogen compound from a fluid stream is described in which the fluid is contacted with a functionalized polymer fibre material having functional groups capable of reacting with the nitrogen compounds. | 06-24-2010 |
| 20100146935 | NOx STORAGE MATERIALS FOR SENSOR APPLICATIONS | 06-17-2010 |
| 20100125146 | METHOD FOR MAKING PHARMACEUTICAL COMPOUNDS - A method of making a phenylethylamine of formula B: | 05-20-2010 |
| 20100113256 | PROCESS FOR PREPARING CATIONIC RHODIUM COMPLEXES - A process for the synthesis of a cationic rhodium complex comprises the steps of:
| 05-06-2010 |
| 20100086831 | CATALYST - An electrocatalyst, suitable for use in a fuel cell, comprises an alloy having a single crystalline phase, wherein the alloy consists of 5-95 at % palladium, 5-95 at % ruthenium and less than 10 at % of other metals, provided that the alloy does not consist of 50 at % palladium and 50 at % ruthenium. | 04-08-2010 |
| 20100047658 | ION-CONDUCTING MEMBRANE - An ion-conducting membrane comprising a polymer component and a macrocyclic compound, wherein the macro-cyclic compound is functionalised with one or more ion-conducting groups is disclosed. The membrane is suitable for use in a fuel cell. | 02-25-2010 |
| 20100028229 | OXYGEN REMOVAL - A process for reducing free oxygen in a gaseous hydrocarbon stream comprises the step of passing the gaseous hydrocarbon stream over a material comprising a metal selected from Ni, Co, Cu, Fe, Mn or Ag in a reduced state so that oxygen present in said stream reacts with the metal, wherein the metal in the reduced state is formed by,
| 02-04-2010 |
| 20100015399 | REFRACTORY METALLIC OXIDE CERAMIC PART HAVING PLATINUM GROUP METAL OR PLATINUM GROUP METAL ALLOY COATING - Part of the surface of a metallic-oxide refractory ceramic part, such as a fusion-cast refractory block, is treated using a high energy beam, to remove portions of the surface. A metal film may then be sprayed onto the treated surface of the ceramic part, for example to provide protection against erosion/corrosion in glass furnaces. Excellent adhesion between metal and ceramic can be attained. | 01-21-2010 |
| 20100009232 | FUEL CELL ASSEMBLY - An MEA comprising: (i) a central first conductive gas diffusion substrate having a first face and a second face; (ii) first and second catalyst layers each having a first and second face and wherein the first face of the first catalyst layer is in contact with the first face of the gas diffusion substrate and the first face of the second catalyst layer is in contact with the second face of the gas diffusion substrate; (iii) first and second electrolyte layers each having a first and second face and wherein the first face of the first electrolyte layer is in contact with the second face of the first catalyst layer and the first face of the second electrolyte layer is in contact with the second face of the second catalyst layer; (iv) third and fourth catalyst layers each having a first and second face and wherein the first face of the third catalyst layer is in contact with the second face of the first electrolyte layer and the first face of the fourth catalyst layer is in contact with the second face of the second electrolyte layer; and (v) first and second porous current collecting means each having a thickness of less than 400m, and each having a first and second face and wherein the first face of the first current collecting means is in contact with the second face of the first catalyst layer and the first face of the second current collecting means is in contact with the second face of the fourth catalyst layer is disclosed and a fuel cell comprising such an MEA. | 01-14-2010 |
| 20090255236 | LOW TEMPERATURE HYDROCARBON SCR - A method of reducing nitrogen oxides (NO | 10-15-2009 |
| 20090217652 | Exhaust System Comprising Zoned Oxidation Catalyst - An exhaust system for a lean-burn internal combustion engine comprises a catalyst for oxidising carbon monoxide and hydrocarbons comprising a flow-through substrate monolith comprising a first platinum group metal (PGM) zone containing at least one PGM supported on a surface area-increasing washcoat component, a second PGM zone containing at least one PGM supported on a surface area-increasing washcoat component, a third PGM zone containing at least one PGM supported on a surface area-increasing washcoat component wherein both the PGM loading in the first PGM zone and the PGM loading in the third PGM zone is greater than the PGM loading in the second PGM zone and wherein the first PGM zone comprises a washcoat loading that is less than a washcoat loading of the third PGM zone. | 09-03-2009 |
| 20090098440 | MICROPOROUS LAYER - A component for use in assembling a membrane electrode assembly comprises a microporous layer supported on a transfer substrate, wherein the microporous layer comprises carbon particles and a hydrophobic polymer, and a polymer layer is present on the microporous layer. A process for preparing a component for use in assembling a membrane electrode assembly includes forming the microporous layer on the transfer substrate and applying a polymer layer on the microporous layer. The microporous layer may also be deposited onto a gas diffusion substrate for use in the membrane electrode assembly. | 04-16-2009 |
| 20090098034 | Method of treating atmospheric pollutants - A method of reducing at least one atmospheric oxidising pollutant, such as ozone, with a reducing agent comprises contacting the reducing agent with the at least one atmospheric oxidising pollutant, wherein the reducing agent comprises a precious metal-free trap material, such as a zeolite, including at least one trapped atmospheric reducing pollutant, e.g. a hydrocarbon, whereby as the at least one atmospheric oxidising pollutant is reduced the at least one trapped atmospheric reducing pollutant is oxidised. | 04-16-2009 |
| 20090071131 | EXHAUST SYSTEM COMPRISING CATALYSED SOOT FILTER - An exhaust system comprises: (a) a catalysed soot filter (CSF); (b) a control unit; (c) means, controllable by the control unit, for increasing a content of combustible hydrocarbon (HC) and/or carbon monoxide (CO) in an exhaust gas flowing into the CSF thereby to combust the HC and/or CO in the CSF, to increase the temperature of the CSF and to combust particulate matter collected thereon; and (d) catalysed sensor means disposed between an engine manifold and the CSF for combusting CO and/or HC in exhaust gas flowing in the exhaust system and inputting the control unit with a datum correlating with an enthalpy of combustion of HC and/or CO in the exhaust gas, whereby the control unit, when in use, controls the combustible HC and/or CO introducing means in response to the datum input thereby to control the rate of contacting the CSF with combustible HC and/or CO. | 03-19-2009 |
| 20090038441 | CATALYST REPROCESSING - A process for re-processing of a Fischer-Tropsch catalyst is described comprising the steps of; (i) de-waxing the Fischer-Tropsch catalyst, (ii) subjecting the de-waxed catalyst to hydrometallurgical leaching or extraction to separate catalyst metal or metals from catalyst support material, and (iii) recovering the separated catalyst metal or metals, wherein the de-waxing step is performed using a pressurised near-critical or supercritical fluid under conditions that minimise catalyst metal spinel formation. | 02-12-2009 |
| 20090007727 | MATERIALS HANDLING AND SAMPLING - A bulk sample is fed with a liquid into a mixing tank ( | 01-08-2009 |
| 20080314034 | Exhaust System for a Spark-Ignited Internal Combustion Engine - An exhaust system for a spark-ignited internal combustion engine comprises a three-way catalyst composition including an oxygen storage component, which TWC composition is coated on a flow-through monolith substrate, which substrate comprising a plurality of channels, each channel having a length extending from an inlet end to an outlet end and a single lambda sensor, wherein the substrate comprises a portion of the plurality of channels wherein the TWC composition in at least a part of the length of channels extending from the inlet end has a reduced oxygen storage activity, or no oxygen storage activity, relative to the TWC composition in a remainder of the substrate, the arrangement being such that the single lambda sensor is contacted substantially only with exhaust gas that has first contacted the TWC composition having a reduced oxygen storage activity or no oxygen storage activity. | 12-25-2008 |
| 20080312443 | PREPARATION OF OXYCODONE - A process for preparing oxycodone or an oxycodone salt, wherein the oxycodone or oxycodone salt has low levels of impurities (especially 14-hydroxycodeinone) is disclosed. The process comprises the steps of:
| 12-18-2008 |
| 20080306265 | PREPARATION OF OXYCODONE - A method of purifying oxycodone or a salt thereof includes the steps of:
| 12-11-2008 |
| 20080292943 | Polymer Dispersion and Electrocatalyst Ink - A polymer dispersion comprising one or more proton-conducting polymer materials in a liquid medium, and an electrocatalyst ink comprising one or more electrocatalyst materials and one or more proton-conducting polymer materials in a liquid medium are disclosed. The polymer dispersion and the electrocatalyst ink further comprise a protic acid. Electrocatalyst layers, gas diffusion electrodes, catalysed membranes and membrane electrode assemblies prepared using the dispersion and/or the ink are also disclosed. | 11-27-2008 |
| 20080287707 | Adsorption Of Volatile Organic Compounds Derived From Organic Matter - A method for adsorbing volatile organic compounds (VOCs) derived from organic matter comprises adsorbing the VOCs onto palladium doped ZSM-5, optionally at ambient temperature. The organic matter can be perishable organic goods such as food, including fruit and/or vegetables, horticultural produce, including plants and/or cut flowers, or refuse. The palladium doped ZSM-5 has a Si:Al ratio of less than or equal to 100:1 and preferably has a palladium content of from 0.1 wt % to 10.0 wt % based on the total weight of the doped ZSM-5. | 11-20-2008 |
| 20080268297 | Gas Diffusion Substrate - A gas diffusion substrate includes a non-woven network of carbon fibres, the carbon fibres are graphitised but the non-woven network has not been subjected to a graphitisation process. A mixture of graphitic particles and hydrophobic polymer is disposed within the network. The longest dimension of at least 90% of the graphitic particles is less than 100 μm. A process for manufacturing gas diffusion substrates includes depositing a slurry of graphitised carbon fibres onto a porous bed forming a wet fibre network, preparing a suspension of graphitic particles and hydrophobic polymer, applying onto, and pulling the suspension into, the network, and drying and firing the network. Another process includes mixing a first slurry of graphitic particles and hydrophobic polymer with a second slurry of graphitised carbon fibres and liquid forming a third slurry, depositing the third slurry onto a porous bed forming a fibre-containing layer, and drying and firing the layer. | 10-30-2008 |
| 20080261801 | Methods of Regenerating a Nox Absorbent - An exhaust system for a lean-burn internal combustion engine with at least one NO | 10-23-2008 |
| 20080256935 | Exhaust System Comprising Exotherm-Generating Catalyst - An apparatus comprising a compression ignition engine and an exhaust system therefor comprising at least one exhaust system component for treating exhaust gas and means for generating an exotherm for heating the at least one exhaust system component, which exotherm generating means consisting essentially of a catalyst and means for injecting hydrocarbon into exhaust gas for combustion on the catalyst, which catalyst consisting essentially of both a palladium (Pd) component and a platinum (Pt) component, and an optional support material, disposed on a substrate monolith. | 10-23-2008 |
| 20080233654 | Tagging System - A method of tracing an aqueous liquid, particularly an aqueous urea used for addition to a selective catalytic reduction system to remove NOx from diesel exhaust includes adding a tracer comprising a pre-determined amount of a phenol to the liquid. The liquid can subsequently be identified by reacting a sample with a reagent containing a predetermined amount of 4-aminoantipyrine in the presence of an initiating compound such that the reaction between the reagent and a phenol in the liquid produces a chromophore and measuring the absorbance of the resulting solution of the chromophore. | 09-25-2008 |
| 20080213145 | Method of Decomposing Nitrogen Dioxide - A method of decomposing NO | 09-04-2008 |
| 20080207436 | Catalyst Manufacture - A method is described for lowering the nitrate content in a cobalt catalyst precursor formed by impregnating a catalyst support with cobalt nitrate, comprising calcining the impregnated support in air to effect partial denitrification and subsequently heating the calcined impregnated support to a temperature below 250° C. in the presence of a gas mixture comprising 0.1-10% hydrogen by volume in an inert gas. | 08-28-2008 |
| 20080199762 | Platinum Alloy Catalyst - A platinum alloy catalyst can be used as a fuel cell catalyst. The platinum alloy is a PtAuX alloy wherein X is one or more metals chosen from the group consisting of transition metals, and wherein the alloy contains 40-97% Pt, 1-40% Au and 2-20% X. Electrodes, catalysed membranes and membrane electrode assemblies comprising the catalyst are also disclosed. | 08-21-2008 |