| Patent Number |
Title Of Patent |
Date Issued |
| 7357835 |
Production of crystalline materials by using high intensity ultrasound |
April 15, 2008 |
| A crystalline material sufficiently pure for use in pharmaceuticals may be made by forming a saturated solution of the material, changing the temperature of the solution so it becomes supersaturated, and subjecting the solution to irradiation by high intensity ultrasound, the frequency |
| 7354556 |
Process and apparatus for irradiating fluids |
April 8, 2008 |
| Fluids in a vessel are subjected to a high ultrasonic intensity, by means of several ultrasonic transducers attached to a wall of the vessel, each transducer (14) radiating no more than 3 W/cm.sup.2, the transducers being sufficiently close to each other, and the number of transducers |
| 7326294 |
Preparation of small crystals |
February 5, 2008 |
| Small crystals are made by mixing a solution of a desired substance with an anti-solvent in a fluidic vortex mixer in which the residence time is less than 1s, for example 10 ms. The liquid within the fluidic vortex mixer (12) is subjected to high intensity ultrasound from a transducer |
| 7244307 |
Production of crystalline materials by using high intensity ultrasound |
July 17, 2007 |
| A crystalline material sufficiently pure for use in pharmaceuticals may be made by forming a saturated solution of the material changing the temperature of the solution so it becomes supersaturated, and briefly subjecting the solution to irradiation by high intensity ultrasound, befo |
| 7234489 |
Valve with vortex chamber and a mechanical member to shut off flow |
June 26, 2007 |
| A valve assembly (10) comprises a vortex chamber (14) with an axial outlet port (20), a main inlet port (16) for a fluid to be controlled, and a substantially tangential inlet port (25); the fluid enters through an inlet chamber (13) in which is a mechanical valve (26) movable so as to |
| 7183378 |
Protein production |
February 27, 2007 |
| Proteins may be made by genetically engineered microorganisms, the protein being stored in the form of inclusion bodies (IB). The proteins in the inclusion bodies are in an insoluble and inactive form. They may be dissolved using a solubilization reagent (18), and the resulting solution |
| 7163663 |
Reactor for plasma assisted treatment of gaseous |
January 16, 2007 |
| A plasma reactor (11) of the silent discharge or dielectric barrier type for treatment of a gaseous medium is provided with a layer of material (34) positioned to present a surface extending along at least part of the length of the gas flow path. Particulates or selected species are |
| 7074370 |
Plasma assisted reactor |
July 11, 2006 |
| A plasma assisted reactor for the removal of carbonaceous combustion products or for simultaneous removal of carbonaceous products and nitrogen oxides from the exhaust emissions from an internal combustion engine, wherein the reactor includes a gas permeable bed made at least primari |
| 7073532 |
Valve assembly |
July 11, 2006 |
| A valve assembly (10) comprises a valve stem (14) with a bore (15) and radial apertures (17), and a sleeve (18) closed atone end and slidable over the valve stem (14) to obstruct the apertures (17). At the end of the valve stem opposite the outlet end, the valve stem (14) defines a f |
| 7067092 |
Treatment of gaseous emissions |
June 27, 2006 |
| A reactor chamber forms part of an exhaust system of an internal combustion engine. Within the chamber are electrodes between which there is disposed a bed of active material through which, in use, the exhaust gases pass. In the presence of an electrical discharge, driven by an elect |
| 7025939 |
Power supply for processing of gaseous media |
April 11, 2006 |
| A reactor (1) particularly for the plasma treatment of internal combustion engine exhaust gases, in which a power supply (10) and a reactor bed (2) of the dielectric barrier discharge type are connected directly and enclosed in an earthed metal chamber (17) which both isolates the high |
| 7011796 |
Plasma assisted catalytic treatment of gases |
March 14, 2006 |
| A catalytic material for the plasma-assisted treatment of the exhaust gases from internal combustion engines, consisting of an activated alumina, which contains silver or molybdena (MoO.sub.3). For silver doped alumina, a preferred silver concentration is between 0.1% and 5% by weigh |
| 7011101 |
Valve system |
March 14, 2006 |
| A valve system (10) controls the fluid flow between an inlet (12) and an outlet (14). The system (10) splits the flow into two parallel flow ducts (15, 16) and recombines the flows through opposed tangential inlets (18) and (19) of a fluidic vortex valve (20) which has an axial outlet (2 |
| 6994830 |
Reactor for plasma treatment of gases |
February 7, 2006 |
| In a non-thermal plasma reactor (300), at least a component of the active material (320) is selected or modified to provide the capability to adsorb or trap a predetermined chemical species in the gas flow thereby to increase the effective residence time of said species relative to the |
| 6960256 |
Formation of small crystals |
November 1, 2005 |
| Small crystals are made by mixing a solution of a desired substance with an anti-solvent in a fluidic vortex mixer in which the residence time is less than 1 s, for example 10 ms. The liquid within the fluidic vortex mixer (12) is subjected to high intensity ultrasound from a transducer |
| 6936232 |
Process and apparatus for removing NOx from engine exhaust gases |
August 30, 2005 |
| A method and apparatus for removing nitrogen oxides from internal combustion engine exhaust emissions consisting of the operations of contacting the exhaust emissions with a non-thermal plasma (1) and a silver doped alumina catalyst (2) and then an indium-doped zeolite catalyst (3). |
| 6890495 |
Plasma-assisted processing of gaseous media |
May 10, 2005 |
| A reactor for the plasma-assisted processing of a gaseous medium, including a pair of electrodes having facing surfaces the separation of which is substantially uniform, with a body of dielectric material positioned between them and defining a plurality of gas passages extending through |
| 6863870 |
Plasma enhanced gas reactor |
March 8, 2005 |
| A reaction chamber (12, 49) is adapted to be coupled to a source of microwave radiation. A pair of opposed field enhancing electrodes (18, 21; 62, 63) concentrate microwave energy so as to form plasma in a localised region between the electrodes. Gas passages are arranged for passing a |
| 6841095 |
Chemical process and plant |
January 11, 2005 |
| A chemical plant for performing a chemical reaction between particles of a material such as lithium metal, and a reagent such as butyl chloride in solution in hexane, in which one reaction product is a solid material, includes a reaction vessel (12). Several ultrasonic transducers (16) a |
| 6833119 |
Vehicle power supply system |
December 21, 2004 |
| A power supply and control system for a motor vehicle incorporating a plasma-assisted reactor for treatment of exhaust emissions and including a power source for supplying first and second output voltages. |
| 6767516 |
Corona discharge reactor |
July 27, 2004 |
| A modular corona discharge reactor in which individual reactor chambers are arranged vertically and are grouped in serial pairs. |
| 6726828 |
Electrochemical processing |
April 27, 2004 |
| Using a solution mining procedure, an ore (10) is treated with a solution of acetic acid and hydrogen peroxide so as to form a leachate containing lead ions. Lead ions (and other metal ions such as zinc and manganese) are stripped (22, 24, 26) by solvent extraction from the leachate to f |
| 6699706 |
Cell lysis method using a vortex mixer |
March 2, 2004 |
| Cell lysis may be brought about by contacting a suspension of cells with a lysis reagent such as sodium hydroxide solution; subsequent treatment enables organic molecules such as plasmid DNA to be separated from other cell components. Intimate mixing of the cell suspension with lysis rea |
| 6645441 |
Reactor for plasma assisted gas processing |
November 11, 2003 |
| A reactor for the plasma-assisted processing of gaseous media comprising a reactor chamber including a gas permeable bed of active material, a power source for applying across the bed of active material a potential sufficient to establish a plasma in a gaseous medium flowing through the |
| 6641786 |
Reactor for processing gaseous media |
November 4, 2003 |
| A reactor for the plasma processing of gaseous media, especially internal combustion engine exhaust, has a bed made of a body of ceramic material a series of gas permeable electrodes embedded within the bed. The electrodes are distributed to provide a predetermined electric field distrib |
| 6589500 |
Method and apparatus for controlling uniformity of crystalline precipitates |
July 8, 2003 |
| Solvent containing a product (or precursor for the product) and anti-solvent are introduced via tangential inputs respectively 17,18 of a fluidic vortex mixer 11. The emerging mix from axial outlet 20 is supplied directly to a precipitate entrapment device such as filter bed 12 so that |
| 6529273 |
Monitoring oil films |
March 4, 2003 |
| The thickness of an organic material on a substrate, such as an oil film on a metal sheet (12), is monitored by illuminating the film with ultraviolet radiation (14) and measuring the fluorescent light intensity (44, 48) from the organic material. The reflectivity of the substrate is als |
| 6517013 |
Spray generator |
February 11, 2003 |
| A spray generator is provided that generates a spray of droplets by the interaction of opposed jets of fluid. The generator comprises a rigid central member defining a central axis, and fluid passageways formed in a block of material leading to two or more pairs of opposed fluid outlets. |
| 6511647 |
Method of making a manganese oxide-based materials |
January 28, 2003 |
| An oxide LiMnO.sub.2 which has a layered monoclinic structure, and in which a minor part of the manganese may be replaced by another transition metal, is made by a two-stage process. Firstly NaXo.sub.2 with a layered structure of the .alpha.-NaFeO.sub.2 -type is made by reacting stoi |
| 6478950 |
Sensing liquids in oil well using electrochemical sensor |
November 12, 2002 |
| A sensor module for monitoring chemical properties of oil well fluids comprises at least one electrochemical sensor for a chemcal species, for example to detect pH and chloride ion concentration. A micro-porous barrier separates the electrochemical sensors from the environment of the |
| 6447669 |
Recycling of galvanic cells |
September 10, 2002 |
| Lithium ion cells in which the cathode contains a particulate insertion material and a binder are cut open in a dry, inert atmosphere (10). The cell components are treated with a first organic solvent (12) to dissolve the electrolyte, so that this can be reused. They are then treated wit |
| 6409867 |
Extrusion of polymer-based cell components |
June 25, 2002 |
| A method of making a cell component containing a polymer, the polymer consisting primarily of vinylidene fluoride, in which the polymer is mixed with at least one other ingredient, such as an organic plasticiser, and extruded at a temperature above its melting point. The method can be us |
| 6387571 |
Electrolyte for a rechargeable cell |
May 14, 2002 |
| An electrolyte for use in a rechargeable cell whose charging voltage exceeds 3.8 volts includes a redox chemical comprising a substituted aromatic molecule in which .alpha. hydrogens are either absent, or are sterically against loss from the ionized form of the molecule. Such as chem |
| 6372188 |
Gas processing reactors |
April 16, 2002 |
| A reactor for the processing of gaseous media, including two planar beds of active material separated by a gap. A gaseous medium to be processed is fed inwardly around the periphery of the reactor beds into the gap between the reactor beds and collected from their outer surfaces. |
| 6334982 |
Corona discharge reactor |
January 1, 2002 |
| A corona discharge reactor is for use in processing materials in or carried by a gaseous phase. A plurality of cylindrical individual reactor chambers is provided in an array. The reactor chambers are electrically matched with each other and pulses of electrical energy are supplied under |
| 6331290 |
Formation of monodisperse particles |
December 18, 2001 |
| Particles are made from a liquid feedstock (13) containing a pharmaceutical composition, the particles either being solid or being liquid droplets in an aerosol, by supplying the feedstock to an electronic droplet generator (18), and collecting the droplets in a holding chamber (20). Eva |
| 6322758 |
Reactor for processing gaseous media |
November 27, 2001 |
| A reactor for the plasma processing of gaseous media, especially internal combustion engine exhaust, has a bed made of a body of ceramic material and electrodes. At least one electrode terminates within the bed at a distance from earthed supporting structure to avoid or reduce the risk o |
