Philippot
Cécile Philippot, Grenoble FR
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20110110864 | FLUORESCENT NANOCRYSTALS ENCAPSULATED IN AN INORGANIC SHELL - The present invention relates to a method of preparing hybrid organo/mineral nanoparticles comprising an organic fluorescent crystalline core encapsulated in an inorganic shell, and to nanoparticles that can be obtained by said method. The method of the present invention comprises the following steps: (i) a sol-gel mixture able to be obtained by a process comprising the addition, in at least one organic solvent, in the presence of water, of a fluorescent organic compound and at least one metal alkoxide is sprayed; (ii) the sprayed sol-gel mixture is dried, by evaporating the solvent and the water that are present in the sol-gel mixture. The nanoparticles of the present invention can be used for example as a tracer in medical imaging or as a chemical sensor. | 05-12-2011 |
Cécile Philippot, Grenoble FR
Patent application number | Description | Published |
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20110110864 | FLUORESCENT NANOCRYSTALS ENCAPSULATED IN AN INORGANIC SHELL - The present invention relates to a method of preparing hybrid organo/mineral nanoparticles comprising an organic fluorescent crystalline core encapsulated in an inorganic shell, and to nanoparticles that can be obtained by said method. The method of the present invention comprises the following steps: (i) a sol-gel mixture able to be obtained by a process comprising the addition, in at least one organic solvent, in the presence of water, of a fluorescent organic compound and at least one metal alkoxide is sprayed; (ii) the sprayed sol-gel mixture is dried, by evaporating the solvent and the water that are present in the sol-gel mixture. The nanoparticles of the present invention can be used for example as a tracer in medical imaging or as a chemical sensor. | 05-12-2011 |
Gilles Philippot, Saint Jean De Cuculles FR
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20130256937 | POLYMER LOCALLY COMPRISING CONDUCTIVE AREAS - A method for producing a conductive area in a polymer material comprises: providing a polymer layer comprising conductive particles with a density such that the polymer layer is insulating, heating the polymer material to a temperature higher than or equal to the glass transition temperature of the polymer material, compressing a portion of the polymer layer using a stamp, in order to obtain a density of conductive particles such that the portion becomes conductive, and removing the stamp from the polymer layer. | 10-03-2013 |
Rémi Philippot, Saint Etienne FR
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20110264231 | COTYLOID ELEMENT OF A HIP PROSTHESIS, AND TOTAL HIP PROSTHESIS COMPRISING SAME - The invention relates to a cotyloid component of a hip prosthesis, said cotyloid component being hollow and in the form of a cup whose outer part has a thread allowing it to be fixed in the iliac bone, said thread being a discontinuous self-cutting double thread ( | 10-27-2011 |
Vincent Philippot, Solers FR
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20110027103 | IMPELLER WHICH INCLUDES IMPROVED MEANS OF COOLING - Impeller for turbine engine which includes a disk provided with blade retention teeth, wherein associated with each tooth there are means for channelling a flow of cooling air which covers the crest of said tooth so that the latter is swept by the air flow. | 02-03-2011 |
20120167584 | CONTROLLING BLADE TIP CLEARANCES IN A TURBINE ENGINE - A turbine engine including a controller controlling clearance between tips of moving blades of a high-pressure turbine and an outer casing surrounding the blades, by cooling the outer casing by the impact of air taken from a high-pressure compressor stage of the engine, and by electric heating of top and bottom portions of the outer casing. | 07-05-2012 |
Vincent Philippot, Moissy Cramayel Cedex FR
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20120237342 | TURBINE STAGE IN A TURBINE ENGINE - A turbine stage for a turbine engine includes a bladed wheel rotatable inside a sectorized ring of composite material carried by a casing. Each ring sector has a downstream circumferential rim held to bear radially against an annular tab that is engaged radially in an annular groove of the downstream circumferential rim of the ring with axial clearance, when cold, that is designed to be reduced to zero in operation when hot, and to enable the annular tab of the casing to be clamped axially in leaktight manner in the annular groove of the ring sector. | 09-20-2012 |
Vincent Philippot, Savigny Le Temple FR
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20080206047 | TURBINE STAGE IN A TURBOMACHINE - A turbine stage in a turbomachine comprising ring sectors ( | 08-28-2008 |
20080267768 | HIGH-PRESSURE TURBINE OF A TURBOMACHINE - High-pressure turbine of a turbomachine A high-pressure turbine ( | 10-30-2008 |