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University of Limerick

University of Limerick Patent applications
Patent application numberTitlePublished
20120126438Process and System for Fabrication and Surface Modification of Colloidal Carbon Spheres in Supercritical Media - A process for producing monodispersed carbon spheres comprising the steps of mixing supercritical-carbon dioxide fluid under pressure with a solvent in an inert atmosphere; heating the mixture in to a temperature to carbonise the solvent; and modulating the pressure to the heated mixture to produce carbon spheres. Subsequent addition of an organometallic precursor can be used to induce the nucleation and growth of nanocrystals across the surface of the spheres.05-24-2012
20120125572COOLING DEVICE - This disclosure relates to a low-profile cooling device (05-24-2012
20120001781Digital Background Calibration System and Method for Successive Approximation (SAR) Analogue to Digital Converter - The invention provides a digital background calibration system and method for a successive approximation analog-to-digital converter comprising a digital to analog converter (DAC) having a plurality of weighted capacitors to be calibrated; means for splitting each of said weighted capacitors into a plurality of sub-capacitors and at least one redundant capacitor; means for multiplying the voltage level of at least one of the sub-capacitors with a PN sequence; and means for calibrating the weighted capacitor from the multiplied sub-capacitor and the redundant capacitor.01-05-2012
20110193054DEPOSITION OF MATERIALS - The method utilises a conducting trench base with non-conducting trench walls to corral charged particles precisely into the trenches. The nanoparticles are close packed in the channels and highly ordered. This approach utilises the charge on the particles to selectively deposit them within the trenches, as all nanoparticles in solution can be charged, and this can be extended to any nanoparticle system beyond gold. Also, this method results in the layer-by-layer growth of the gold nanoparticles. Therefore the depth of the nanoparticle layers within the trenches is controllable. This allows the possibility of heterolayered structures of different nanoparticle layers. Further this method ensures that assembly occurs to fill the void space available provided the back-contacting electrode is more conducting than the trench walls. This allows nanoparticle assemblies to be corralled into any lithographically defined shape, which makes this approach highly adaptable to a range of applications08-11-2011
20110114230Nickel-Titanium-Rare Earth Alloy and Method of Processing the Alloy - A nickel-titanium-rare earth (Ni—Ti-RE) alloy comprises nickel at a concentration of from about 35 at. % to about 65 at. %, a rare earth element at a concentration of from about 1.5 at. % to about 15 at. %, boron at a concentration of up to about 0.1 at. %, with the balance of the alloy being titanium. In addition to enhanced radiopacity compared to binary Ni—Ti alloys and improved workability, the Ni—Ti-RE alloy preferably exhibits superelastic behavior. A method of processing a Ni—Ti-RE alloy includes providing a nickel-titanium-rare earth alloy comprising nickel at a concentration of from about 35 at. % to about 65 at. %, a rare earth element at a concentration of from about 1.5 at. % to about 15 at. %, the balance being titanium; heating the alloy in a homogenization temperature range below a critical temperature; and forming spheroids of a rare earth-rich second phase in the alloy while in the homogenization temperature range.05-19-2011
20110012687DIGITAL PULSE WIDTH MODULATOR - The invention provides a multi-phase digital pulse width modulator (MP-DPWM) to implement a distribution scheme which applies the duty cycle in the fastest possible manner with restriction on the number of switching actions per phase and cycle, and additionally takes the number of available phases into account. It modulates switching signals according to a duty cycle input command, their previous switching states, and the current switching cycle. The controller is adapted to additionally take the residue of the previous subcycle into account. In the control scheme:01-20-2011
20100317176METHOD AND SYSTEM FOR THE SYNTHESIS OF SEMICONDUCTOR NANOWIRES - The invention provides a system and method for producing semiconductor nanowires, for example germanium or Silicon, grown by solution decomposition comprising the steps of heating at least one high boiling point solvent to its reaction temperature in a chamber and injecting a precursor directly into the chamber to react with the at least one high boiling solvent to produce a refluxing solvent. Subsequent vapour deposition of a monomer, achieved by the refluxing solvent, onto a locally heated substrate contained within the chamber produces the semiconductor nanowires. The system and method removes the dependency upon the incorporation of metal catalyst for the production of silicon and germanium nanowire, thereby nullifying the adverse effects of metal contamination in the resulting semiconductor nanowires.12-16-2010
20100310528Vector System for Site-Specific Integration - The integration system comprises at least one vector capable of expressing at least one exogenous gene, the vector comprising a coding sequence for an attP gene region and a coding sequence for at least one therapeutic molecule and an integrase. The integration system has an application in bacterial metabolic engineering and in gene therapy.12-09-2010
20100305050PROTEIN PRODUCT WITH MODIFIED ANTIGENICITY - A bovine casein protein hydrolysate prepared using an enzyme having broad spectrum endopeptidase activity has low residual antigenicity properties in mammals compared to intact casein protein, The composition is useful as an ingredient in foods, beverages, pharmaceutical and cosmetic products. A hydrolysate prepared using Alcalase™ with a degree of hydrolysis of 19.88% has very desirably low antigenicity characteristics.12-02-2010
20100157736METHOD AND APPARATUS FOR DETERMINING THE TOPOGRAPHY OF A SEAFLOOR AND A VESSEL COMPRISING THE APPARATUS - A method and apparatus for determining the topography of a seafloor comprises providing a vessel (06-24-2010
20090145584Cooling Device - A cooling device (06-11-2009

Patent applications by University of Limerick