Rhodia Operations

Centre National De La Recherche Scientifique

Institut Francais Du Pe'trole

Cora Sa

Ifp Energies Nouvelles

Philippe Laval

Mathieu Joanicot

Jean-Baptiste Salmon

Pierre-Yves Le Goff

Michel Martin

Jacques Leng

Luc Manigot

Fluid flow devices include a small plate (), at least one flow channel () formed into this small plate, at least one storage channel (-) extending from this connection channel, and a set of valves (V-V), each of which is suitable for allowing or stopping the flow of fluid in a corresponding storage channel.

Fluid flow device and assembly employing a temperature gadient for determining at least one characteristic of a physico-chemical system therewith

The crystallization of chemical species/polymorphs comprises forming droplets of a solution of a substance with optionally different concentrations of said substance in an inert phase; producing and storing the droplets in at least one storage microchannel (); forming crystals in all droplets; increasing the temperature in order to induce the dissolution of at least a portion of the crystals in at least some droplets; and analyzing the crystallization and dissolution process.

Crystallization of chemical species/polymorphs and microfluidic apparatus and screening methodology therefor

In a multidimensional conceptual reference, a dictionary of words is created, each conceptual word of at least one portion of the text to be stored is compared to those of the dictionary to determine the position of this word in said reference, and the resultant (T) of the positions of all the conceptual words of the text portion to be stored is determined in order to determine the position of a global conceptualization of the text portion in said reference and to store this position. The position in a multidimensional conceptual reference of a global conceptualization of the question is determined, and the position of the global conceptualization of the question is compared to the homologous positions of the stored texts, in order to select at least one of them, corresponding to a searched text.

Process for storing text and procedure for searching stored texts for those pertinent to a question

The present invention concerns a novel, highly dispersible aluminium hydrate. It also concerns a process for preparing said aluminium hydrate by precipitation of an aluminium hydrate in a reactor with no back-mixing and preparation of said aluminium hydrate in a reactor with back-mixing. Finally, it concerns the use of said hydrate for the preparation of catalysts or catalyst supports.

Dispersible aluminium hydrate, method for preparing same and use for preparing catalysts

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Paris, France

Philippe Laval