David Parker
David Parker, Durham GB
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20080312431 | Responsive Luminescent Lanthanide Complexes - The invention provides a compound comprising a xanthone or thiaxanthone sensitising moiety, capable of coordinating to a lanthanide ion by the nitrogen atom of an integral pyridyl group or a related group able to bind a lanthanide ion. | 12-18-2008 |
20090306455 | Method of Providing Magnetised Particles at a Location - A method of providing magnetised particles at a location using particles which can be switched between magnetic and non-magnetic states by exposure to a suitable magnetic field. The method comprises conveying the particles in their non-magnetic state to the location; and then exposing the particles to the suitable magnetic field so that they switch to their magnetic state. | 12-10-2009 |
20100116690 | Detection of Chiral Alcohols and Other Analytes - Various methods, compounds and apparatus for the detection of analytes are provided. In one aspect, the direct oxidation of an alcohol is detected electrochemically. In another aspect, a reaction of an analyte is detected, wherein the reaction is catalysed by an enzyme and a cofactor, and wherein the cofactor comprises a moiety which is capable of acting as an electron mediator. In a further aspect, a chiral analyte is detected by resolving a enantiomeric mixture of the analyte and subsequently detecting at least one of the resolved enantiomers electrochemically. The invention is particularly relevant to the detection of alcohols, especially chiral alcohols. | 05-13-2010 |
20110021765 | FLUORINATED LANTHANIDE PROBES FOR 19F MAGNETIC RESONANCE APPLICATIONS - The invention provides a paramagnetic lanthanide (III) complex comprising a lanthanide (III) ion and a polydentate ligand wherein the polydentate ligand comprises one or more fluorine atoms in which the distance of at least. one of the fluorine atoms to the lanthanide ion is less than 7, said polydentate ligand not being a DPTA bisamide of p-CF | 01-27-2011 |
20110287558 | RESPONSIVE LUMINESCENT LANTHANIDE COMPLEXES - A compound of formula (I) is provided: | 11-24-2011 |
David Parker, Palm Beach Gardens, FL US
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20090290987 | COMPRESSOR AIRFOIL - A compressor component having an airfoil with a profile in accordance with Table 1 is disclosed. The compressor component, such as a compressor blade, has an increased thickness over a portion of the airfoil span in order to increase stiffness. Furthermore, the airfoil has been restacked so as to induce a compressive stress in the blade root/attachment area. The increased stiffness and restacked airfoil combine to improve high-cycle fatigue capability of the compressor component. | 11-26-2009 |
20100129196 | COOLED GAS TURBINE VANE ASSEMBLY - A gas turbine vane to improve vane performance by addressing known failure mechanisms. A cooling circuit to the trailing edge of a vane airfoil is fed from the outer diameter platform, which prevents failure due to an oxidized and eroded airfoil trailing edge. The gas turbine includes an outer diameter platform, a hollow airfoil and an inner diameter platform with a plurality of cooling tubes extending radially through the airfoil. The cooling tubes are open at the outer diameter end and closed with covers at the inner diameter end. The inner diameter platform is also cooled and includes a meterplate for a portion of the cooling passageway and includes an undercut to improve thermal deflections of the inner diameter platform. | 05-27-2010 |
20100129228 | TURBINE BLADE PLATFORM TRAILING EDGE UNDERCUT - A gas turbine blade having reduced stresses around a regions where the airfoil training edge joins the platform is disclosed. The lower stresses are achieved due to an undercut region proximate the blade trailing edge being placed in the platform. The undercut region has a compound fillet radius formed from two single and tangent radii where the first radius closer to the airfoil is larger than the second radius such that a ratio of R | 05-27-2010 |
20100284815 | COMPOUND VARIABLE ELLIPTICAL AIRFOIL FILLET - A gas turbine engine blade or vane having a first platform, an airfoil, and a compound fillet extending about a region where the airfoil joins the first platform is disclosed. The compound fillet has a first conic surface and a second conic surface, with the first conic surface tangent to the airfoil and to an offset platform surface and the second conic surface tangent to the first conic surface and the first platform. The two conic surfaces are of different sizes, with different radii, and the conic surfaces can vary in size about the periphery of the joint between the airfoil and the first platform. | 11-11-2010 |
David Parker, Durham City Durham GB
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20100204467 | LANTHANIDE (III) ION COMPLEXING COMPOUNDS, LUMINESCENT LANTHANIDE (III) ION COMPLEXES AND USE THEREOF AS FLUORESCENT LABELS - Lanthanide (III) ion complexing compound comprising: | 08-12-2010 |
20140336373 | NOVEL COMPLEXING AGENTS AND CORRESPONDING LANTHANIDE COMPLEXES - The present invention concerns complexing agents of formula (I) in which a, b, c, chrom | 11-13-2014 |
David Parker, Durham City GB
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20100055665 | LUMINESCENCE ASSAY USING MACROCYCLIC LANTHANIDE (III) COMPLEXES - The invention provides a method of determining the amount of an analyte having an oxidation potential, for a one electron oxidation process, of about +0.10 to about +1.20 volts at pH 7, relative to the normal hydrogen electrode at 298K, said method comprising measuring the emission intensity or emission lifetime, at two or more wavelengths, from a sample comprising said analyte and two or more different macrocyclic lanthanide (III) complexes, wherein each of said macrocyclic lanthanide (III) complexes comprises a different lanthanide ion but the same macrocyclic ligand, and using a ratio of emission intensities or emission lifetimes measured at two different wavelengths to calculate the amount of analyte in said sample. | 03-04-2010 |
20140179015 | RESPONSIVE LUMINESCENT LATHANIDE COMPLEXES - The invention provides a compound of formula (I): | 06-26-2014 |
David Parker, Redwood City, CA US
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20080301123 | Distributing data across different backing data stores - A method and apparatus for distributing data across multiple data stores are provided. In one embodiment, records are maintained for multiple data stores that associate primary key indicators and time intervals pertaining to data items with distinct data stores. When a request pertaining to at least one data item is received, a primary key indicator and the time of this data item are determined. Further, the records maintained for the multiple data stores are searched using the primary key indicator and the time of the data item to find one or more data stores for the data item. | 12-04-2008 |
20100049839 | RAPID DEPLOYMENT REMOTE NETWORK MONITOR - A method and apparatus for imaging a network monitor. In one embodiment, the method includes receiving information concerning a customer network to be monitored by a network monitor, and selecting a bootable image for the network monitor using the network information. The bootable image contains network monitoring software and an operating system, and can be booted on any computing device of the customer network. The method further includes providing the bootable image of the network monitor to a requester, and then receiving a fixed IP address of the network monitor from a computing device on the customer network that is designated to host the network monitor. | 02-25-2010 |
David Parker, West Vancouver CA
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20120076975 | COMPOSITE WOOD PRODUCT AND METHOD FOR MAKING THE WOOD PRODUCT - A composite wood product and its method of manufacture. The wood product comprises aligned, substantially straight wood strands cut from veneer, disposed side by side lengthwise in substantially parallel relationship with adhesive bonding together the strands. The product is produced in a billet having a width in the range of about 3 ft. to 12 ft. and with a thickness in the range of about 1.1 inches to 2 inches. The strand ends are distributed in a specific pattern that approximates maximizing the minimum distance between strand ends. The wide sides of the billet are coated with a dark colored resin. The billet may be sawn lengthwise into sizes used for joists and rafters. Such a sawn product (e.g. 1.5″ by 9.25″) has the wide sides a dark resin color and the narrow sawn sides mostly wood colored. The strands are parallel to its length. | 03-29-2012 |
David Parker, Sittingbourne GB
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20120303145 | CONTROL OF SAFETY CRITICAL OPERATIONS - A system wherein control of a safety-critical system operation is effected by sending a plurality of keywords via a low integrity transmission means. | 11-29-2012 |
David Parker, Santa Barbara, CA US
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20120331385 | ASYNCHRONISTIC PLATFORM FOR REAL TIME COLLABORATION AND CONNECTION - A method of authoring a multimedia presentation includes: receiving a command, over a network connection, to add a first media object having a first start time to the presentation, the first media object being stored in a data store; storing a first start time and an identifier of the first media object in a presentation description of the multimedia presentation, the presentation description being stored in a database; receiving a command, over the network connection, to add a second media object having a second start time to the presentation, the second media object being stored in the data store; and storing a second start time and an identifier of the second media object in the presentation description. | 12-27-2012 |
David Parker, Chester GB
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20130224818 | METHOD FOR PREPARING A HYDROCARBON - A method for preparing a hydrocarbon comprising contacting a fatty acid substrate with at least one fatty acid reductase and at least one fatty aldehyde synthetase and at least one fatty acyl transferase, wherein the fatty acid substrate is a fatty acid, a fatty acyl-ACP, or a fatty acyl-CoA or a mixture of any of these, to obtain a fatty aldehyde; and contacting the fatty aldehyde with at least one aldehyde decarbonylase enzyme. | 08-29-2013 |
David Parker, Ince GB
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20140193873 | METHOD FOR PREPARING A HYDROCARBON - A method for preparing a hydrocarbon comprising contacting a fatty acid substrate with at least one fatty acid reductase and at least one fatty aldehyde synthetase and at least one fatty acyl transferase, wherein the fatty acid substrate is a fatty acid, a fatty acyl-ACP, or a fatty acyl-CoA or a mixture of any of these, to obtain a fatty aldehyde; and contacting the fatty aldehyde with at least one aldehyde decarbonylase enzyme. | 07-10-2014 |
David Parker, Canyon, TX US
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20150299062 | COMPOSITONS AND METHODS COMPRISING NITRIFICATION INHIBITORS CONTAINING A MIXTURE OF PROTIC AND APROTIC SOLVENT SYSTEMS - The present invention relates to increasing longevity of the nitrogen content of soil through improved liquid delivery formulations of nitrification inhibitors. The liquid formulation can also be comprised of nitrification inhibitors and optionally urease inhibitors that are blended solutions of each. The nitrification inhibitors are present in a mixture that comprises both a protic and an aprotic solvent system. The novel formulations are designed to be applied to fertilizers, especially urea and manure based fertilizers. The delivery formulations provide an environmentally sound and inherently safe solvating system that improves the storage stability of the urease inhibitors by utilizing liquid organic non-water containing solvents, maintains the nitrification inhibitors in solution to storage temperatures of at least 10° C., and provides improved application to fertilizer of nitrification inhibitors. These delivery formulations enable safe storage, transport and subsequent application or blending with urea-based or manure-based fertilizers that can be applied to soil in either a liquid or granular form to provide improved nitrogen retention in the soil for uptake for plant life. | 10-22-2015 |