Backov
Renal Backov, Bordeaux FR
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20100092371 | AEROGELS BASED ON CARBON NANOTUBES - A method for preparing a carbon aerogel from agglomerated carbon nanotubes, includes the following steps: (A) preparing an aqueous dispersion of carbon nanotubes in water in the presence of a dispersing agent; (B) forming a foam from the nanotubes aqueous dispersion of step (A) by bulking under the action of a gas in the presence of a foaming agent; and (C) freezing the foam obtained in step (B) and removing the water by sublimation. The invention also relates to the carbon aerogels thus obtained, and to their use essentially as partition materials or | 04-15-2010 |
Renal Backov, Bordeaux-Cauderan FR
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20130101905 | ENZYMATIC MODIFICATIONS OF A CELLULAR MONOLITHIC CARBON AND USES THEREOF - A porous electrochemical electrode is made up of a solid cellular material provided in the form of a semi-graphitised carbon monolith comprising a hierarchised porous network free of mesopores and including macropores with a mean dimension d | 04-25-2013 |
20130210094 | HETEROGENEOUS ENZYMATIC CATALYST, PROCESS FOR PREPARING SAME AND USE FOR CONTINUOUS FLOW ENZYMATIC CATALYSIS - The present invention relates to a heterogeneous enzymatic catalyst consisting of a macroprous silica monolith incorporating an enzyme immobilized by means of a compiling agent, to a process for preparing this enzymatic catalyst, to the use of the catalyst for carrying out chemical reactions by continuous flow heterogeneous enzymatic catalyst and to a process of continuous flow heterogeneous enzymatic catalysis using said catalyst. | 08-15-2013 |
20130277311 | PROCESS FOR PREPARING CELLULAR INORGANIC MONOLITHIC MATERIALS AND USES OF THESE MATERIALS - A process is provided for preparing an inorganic material in the form of an alveolar monolith of a silica matrix where the monolith includes interconnected macropores. The process includes at least one step of mineralizing an oil-in-water emulsion formed from droplets of an oily phase dispersed in a continuous aqueous phase and in which colloidal solid particles are present at the interface formed between the continuous aqueous phase and the dispersed droplets of oily phase. Such materials obtained according to this process may be used, especially for separative chemistry and filtration, for performing chemical reactions catalysed in heterogeneous phase, as thermal or phonic insulators, or as templates for manufacturing controlled-porosity carbon skeletons. | 10-24-2013 |
Renal Backov, Bordeaux-Caudera FR
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20150151267 | MULTICOMPARTMENTALIZED MATERIAL FOR THE THERMOSTIMULATED DELIVERY OF SUBSTANCES OF INTEREST, PREPARATION METHOD THEREOF AND USES OF THE SAME - A subject-matter of the present invention is a material in the form of solid particles with a diameter varying from 1 μm to 1 cm which are composed of a continuous shell comprising at least one silicon oxide, said shell imprisoning an aqueous phase, said material being characterized in that said aqueous phase includes at least one hydrophilic substance of interest S | 06-04-2015 |
Rénal Backov, Bordeaux-Cauderan FR
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20110262993 | METHOD FOR PREPARING A CELLULAR CARBON MONOLITH COMPRISING A HIERARCHISED POROUS NETWORK - A carbon or ceramic monolithic materials with an M2 (macroporous/microporous) hierarchised porous structure is provided as well as method for preparing said materials using a macro/meso/microporous silica cavity. Such materials may be used, in particular for the production of hydrogen purifiers, supercapacitors or electrodes, or else for carrying out catalysed chemical reactions in a heterogeneous phase. | 10-27-2011 |
20120082615 | METHOD FOR STORING HYDROGEN IN A POROUS MONOLITHIC MATERIAL, COMPOSITE MATERIAL OBTAINED, AND APPLICATIONS - A method is provided for storing hydrogen in a macroporous monolithic material by the heterogeneous nucleation of a metal hydride. A composite material is provided for storing hydrogen directly obtained by the method. A method is also provided for employing the material for the production of dihydrogen, as well as a method for producing dihydrogen using such a composite material. | 04-05-2012 |
20120128747 | CORE-SHELL MATERIAL, METHOD FOR PREPARING SAME, AND USE THEREOF FOR THE THERMOSTIMULATED GENERATION OF SUBSTANCES OF INTEREST - The present invention relates to a material in the form of solid particles consisting of a continuous shell including at least one silicon oxide, said shell confining at least one oil phase, said material being characterized in that said oil phase is solid at the storage temperature of said material and predominately contains a crystallizable oil that has a melting temperature (T | 05-24-2012 |
20120196337 | HETEROGENOUS ENZYMATIC CATALYST, PREPARATION METHOD, AND USE - The invention relates to a heterogenous enzymatic catalyst that takes the form of a cellular monolith consisting of a silica or organically modified silica matrix, said monolith including macropores, mesopores, and micropores, said pores being interconnected, and wherein the inner surface of the macropores is functionalized by a coupling agent selected from among silanes, said inner surface moreover having an unpurified enzyme attached thereon by means of a covalent or electrostatic bond. The invention also relates to the method for preparing said catalyst, said method comprising: a first step for preparing a solid silica impression that takes the form of a cellular monolith such as defined above; a second step for functionalizing the inner surface of the macropores via a coupling agent, selected from among silanes, by vacuum-soaking the cellular monolith by dissolving the coupling agent in an organic solvent; and a third step for vacuum-soaking the thus-functionalized monolith by means of an aqueous solution or aqueous dispersion of at least one unpurified enzyme. Finally, the invention relates to the use of such catalyst to carry out catalyzed chemical reactions. | 08-02-2012 |
20130101905 | ENZYMATIC MODIFICATIONS OF A CELLULAR MONOLITHIC CARBON AND USES THEREOF - A porous electrochemical electrode is made up of a solid cellular material provided in the form of a semi-graphitised carbon monolith comprising a hierarchised porous network free of mesopores and including macropores with a mean dimension d | 04-25-2013 |