Assignee: Johnson Matthey PLC

Location: London, GB
No. of patents: 69

Number	Title	Issue Date
8178467	Metal nitrate conversion method A method for converting a supported metal nitrate into the corresponding supported metal oxide comprises heating the metal nitrate to effect its decomposition under a gas mixture that contains nitric oxide and has an oxygen content of	05/15/2012
8178068	Catalyst charge design A catalyst charge for ammonia oxidation, including the Andrussow process, comprises a first stage ammonia oxidation catalyst capable of oxidizing 20 to 99% of designed ammonia throughput, to produce a first stage product gas comprising unreacted ammonia, oxygen and ...	05/15/2012
8177983	Mercury removal A mercury absorbent comprising a metal sulphide, a support material, a first binder and a second binder, wherein the first binder is a cement binder and the second binder is a high aspect ratio binder having an aspect ratio >2. A mercury removal process comprises co...	05/15/2012
8173572	Metal oxide sols A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabilizer 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 ...	05/08/2012
8056205	Method of manufacturing a reaction vessel A method of adapting an axial flow reaction vessel having opposed ports to an opposed axial flow reaction vessel includes installing a process fluid collection system centrally within the body of the vessel in fluid communication with one or more outlet ports of the...	11/15/2011
8043590	Catalytic reduction of NO A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, a particulate filter, a source of reductant such as NH3 and an SCR catalys...	10/25/2011
8039675	Catalysts Catalysts suitable for asymmetric hydrogenation reactions are described comprising the reaction product of a group 8 transition metal compound, a chiral phosphine and a chiral diamine of formula (I) in which R1, ...	10/18/2011
8017544	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 ca...	09/13/2011
8003566	Process for preparing catalyst supports having reduced levels of contaminants A method of preparing a catalyst support is described comprising washing a precipitated metal oxide material with water and/or an aqueous solution of acid and/or base such that contaminant levels in said precipitated metal oxide are reduced. The method may be applie...	08/23/2011
7939699	Cobalt catalysts Catalysts comprising cobalt on a titania support are produced by mixing together particles of a solid titania support and an aqueous solution of cobalt amine carbonate, and heating to an elevated temperature sufficient to effect decomposition of the cobalt amine car...	05/10/2011
7851404	Process for preparing cobalt catalysts on titania support Catalysts comprising cobalt on a titania support are produced by mixing together particles of a solid titania support and an aqueous solution of cobalt ammine carbonate, and heating to an elevated temperature sufficient to effect decomposition of the cobalt ammine c...	12/14/2010
7800061	Suspension system and scanning method A method and apparatus for performing a radiation scan of a structure involve arranging a source of penetrating radiation and a radiation detector at opposed ends of a radiation path through the structure, oriented in such a way that the source emits radiation along...	09/21/2010
7786180	Methanol synthesis A process for synthesising methanol comprises the steps of: (i) reforming a hydrocarbon feedstock and separating water to generate a make-up gas comprising hydrogen and carbon oxides, the make-up gas mixture having a stoichiometric number, R, R=([H2]−[C...	08/31/2010
7771677	Catalytic reactor An axial/radial—or radial/flow catalytic reactor has inlet and outlet ports and a bed of particulate catalyst disposed as e.g. a cylinder or cone round a central region communicating with one of the ports. For at least part of the height of the catalyst bed, the e...	08/10/2010
7767612	Esterification catalyst, polyester process and polyester article A catalyst composition for producing polyesters comprises: a) an organometallic compound obtained by reacting an orthoester or condensed orthoester of titanium, zirconium or aluminum, an alcohol containing at least two hydroxyl groups, a 2-hydroxy carboxylic acid an...	08/03/2010
7754635	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 c...	07/13/2010
7732500	High cobalt content, high cobalt surface area catalysts, preparation and use thereof A particulate catalyst comprises an intimate mixture of cobalt and aluminum compounds at an atomic ratio in the range 10:1 to 2:1 (Co:Al), which when reduced at 425° C., has a cobalt surface area as measured by hydrogen chemisorption at 150° C. of at least 30 m	06/08/2010
7732370	Catalysts A catalyst including cobalt, zinc oxide and aluminium is described, having a total cobalt content of 15-75% by weight (on reduced catalyst), an aluminium content ≧10% by weight (based on ZnO) and which when reduced at 425° C., has a cobalt surface area as measure...	06/08/2010
7731935	Steam reforming An apparatus for steam reforming of hydrocarbons comprises a heat exchange reformer having disposed within a plurality of vertical catalyst-filled tubes, through which a gas mixture comprising hydrocarbon and steam may be passed, and to which heat may be transferred...	06/08/2010
7727509	Metal passivation in a heat exchange reformer A method for reducing the interaction between carbon monoxide present in a heat exchange medium and metals on the shell side of heat exchange reformer apparatus used for reforming of hydrocarbons by treatment of the shell-side of said apparatus with an effective amo...	06/01/2010
7704916	Compound having a pyrochlore-structure and its use as a catalyst carrier in water gas shift reaction A compound of formula (Na0.33A0.66)2B2O7-δ wherein A is one or more metals chosen from the lanthanide metals; B is one or more metals chosen from Ti, Sn, Ge, Ru, Mn, Ir, Os and Pb; and δ is a number in the ran...	04/27/2010
7655593	Catalysts A method of manufacturing a cobalt catalyst is described, which comprises the steps of forming an aqueous solution of a cobalt amine complex, oxidising said solution such that the concentration of Co(III) in the oxidised solution is greater than the concentration of...	02/02/2010
7591944	Sulphided ion exchange resins A method of making a sulphided ion exchange resin from an ion exchange resin containing primary or secondary amino group comprises passing a non-aqueous liquid, e.g. a hydrocarbon, feedstock containing elemental sulphur or organic, or inorganic, di-or poly-sulphides...	09/22/2009
7501378	Catalysts with high cobalt surface area A method of making a cobalt-containing catalyst precursor, comprising slurrying a transition alumina powder with an aqueous solution of a cobalt ammine complex, heating the slurry to cause the cobalt ammine complex to decompose with the deposition of an insoluble co...	03/10/2009
7501112	Guard bed containing lead compounds upstream of a bed of copper-containing catalyst to prevent its contamination by chlorine and sulphur contaminants A combination comprising a bed of a particulate copper-containing catalyst and, a guard bed of a particulate composition containing a) lead and/or at least one lead compound that reacts with hydrogen chloride and b) a support therefor. The lead compound is preferabl...	03/10/2009
7456325	Process for the production of a hydroxyalkyne by coupling reaction between acetaldehyde and a terminal alkyne A process for performing, a coupling reaction between acetaldehyde and a terminal alkyne to yield a hydroxyalkyne is described comprising the steps of; (i) reacting without solvent, a terminal alkyne with a Lewis acidic metal salt in the presence of a alkanolamine l...	11/25/2008
7445702	Desulphurisation Propane and/or butanes are separated from a hydrocarbon feedstock contaminated with alkyl mercaptans by fractional distillation at such a pressure that the separated overheads stream containing said propane and/or butanes is at a temperature in the range 50 to 100°...	11/04/2008
7435338	Removal of mercury compounds from glycol The invention is a process for removing mercury compounds from a glycol- or alcohol-containing liquid absorbent stream which contains mercury compounds, especially a glycol stream which has been used in a glycol drying plant for removing water from natural gas strea...	10/14/2008
7431865	Production of ammonia synthesis gas Ammonia synthesis gas production having a shift reaction stage employing a copper-based catalyst wherein the air supplied to the process is passed through an absorber that removes sulfur and/or halide contaminants, is described. The absorber has a support carrying a...	10/07/2008
7427580	Spinel based high temperature shift catalysts A method is described for producing a high temperature shift catalyst, not requiring a reduction step prior to use, by precipitating a composition containing divalent and trivalent iron compounds and a modifier metal selected from trivalent chromium and/or manganese...	09/23/2008
7375049	Catalyst A catalyst suitable for the dehydrogenation and hydrogenation of hydrocarbons comprises at least one first metal and at least one second metal bound to a support material. The at least one first metal comprises at least one transition metal, suitably a platinum grou...	05/20/2008
7368625	Catalysts with high cobalt surface area A catalyst or precursor thereto comprising cobalt and/or a cobalt compound on a transition alumina support having a total cobalt content of at least 41% by weight and a cobalt surface area, after reduction, greater than 25 m2 per gram of total cobalt. The...	05/06/2008
7323497	Production of hydrocarbons by steam reforming and Fischer-Tropsch reaction A process for the production of hydrocarbons is described including; a) subjecting a mixture of a hydrocarbon feedstock and steam to catalytic steam reforming to form a partially reformed gas, b) subjecting the partially reformed gas to partial combustion with an ox...	01/29/2008
7323152	Catalyst or sorbent beds A fixed bed containing a particulate catalyst or sorbent material (10) subject to operation at high temperature having a shaped boundary member (16) inclined to the direction of fluid flow through the bed that maintains the depth of said catalyst or so...	01/29/2008
7321072	Process for producing paraxylene by methylating toluene with methanol at a low contacting time A process for producing para-xylene by the selective methylation of toluene comprising contacting a reactant mixture comprising toluene, methanol and added water, with an oxide modified ZSM-5 zeolite catalyst in a flow reactor in conditions selected to limit coke fo...	01/22/2008
7314891	Production of hydrocarbons A process for production of hydrocarbons including a) reforming a divided hydrocarbon feedstock stream, mixing the first stream with steam, passing the mixture over a catalyst disposed in heated heat exchange reformer tubes to form a primary reformed gas, forming a ...	01/01/2008
7262299	Catalysts A process for performing a catalytic Diels-Alder reaction by reacting a diene with a dienophile in the presence of a heterogeneous catalyst comprising a zeolitic material exchanged or impregnated with ions of a Lewis acidic metal is described. The catalyst, for exam...	08/28/2007
7256302	Substituted paracyclophane derivatives in asymmetric catalysis A substituted paracyclophane is described of formula (I) wherein X1 and X2 are linking groups comprising between 2 to 4 carbon atoms, Y1 and Y2 are selected from the group consisting of hydrogen, halide, oxygen, nitrogen, ...	08/14/2007
7235510	Catalysts A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alkyl silicate and an organofunc...	06/26/2007
7232933	Preparation and use of diols A process for the preparation of diols by a Lewis acid-catalysed aldehyde addition reaction on hydroxyalkynes followed by hydrogenation is described. The process provides a wide range of diols from simple, readily available starting materials. In particular the proc...	06/19/2007

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Assignee: Johnson Matthey PLC