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SOLVAY SA

SOLVAY SA Patent applications
Patent application numberTitlePublished
20120116128Process For The Manufacture Of Halogenated Precursors Of Alkenones In The Presence Of A Solvent - A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium comprising an alkenone or a halogenated precursor of the alkenone, and a process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone.05-10-2012
20120116127Process for the manufacture of alkenones - Process for preparing an alkenone, which comprises the following steps: (a) providing a halogenated precursor of the alkenone; and (b) eliminating the hydrogen halide from said precursor to form the alkenone by a thermolysis treatment selected from the group consisting of flash thermolysis, vacuum thermolysis, and thermolysis under stripping with inert gas.05-10-2012
20120101305Process For The Manufacture Of Halogenated Precursors Of Alkenones Under Specific Conditions - A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium under turbulent conditions and a process for preparing an alkenone, by eliminating hydrogen halide from said precursor to form the alkenone.04-26-2012
20120070554Process for the manufacture of oxidized starch, oxidized starch and its use - Batch process for the manufacture of oxidized starch by contacting an aqueous medium comprising already oxidized starch with native starch and with at least one oxidizing agent selected from a peroxide compound or from an alkali metal hypochlorite, and by reacting them at a temperature below the gelatinization temperature of the native starch and of the oxidized starch, the reaction being conducted in the presence of a homogeneous manganese-based complex coordination catalyst when the oxidizing agent is a peroxide compound. The resulting oxidized starch can be used as an additive for the paper industry or for the food industry.03-22-2012
20120070356Process and device for separating liquid from a multiphase mixture - Process and device for separating liquid from a multiphase mixture contained in a vessel and comprising solid particles and at least one liquid phase forming together at least one suspension, and a gas phase in which at least part of the mixture is circulated through at least one cross-flow filter located outside the vessel, therefore separating said part of the mixture into a filtered liquid and a concentrate.03-22-2012
20120061043Process for the bleaching of mechanical paper pulp - The invention relates to a process for the bleaching of paper pulp with one or more peroxide oxidizing agents, in which the pulp is first treated in a pretreatment step with at least one inorganic magnesium derivative combined with at least one carboxylic acid or its salt, except its magnesium salt, or with at least one carboxylic acid at least partially saponified with Mg03-15-2012
20120027973Branched poly (hydroxy acid) and production process thereof - Process for manufacturing a polymer by polycondensation of a hydroxy acid, said polymer comprising at least 80% by weight of units that correspond to the hydroxy acid, according to which at least one polyfunctional reactant capable of giving rise to the formation of a three-dimensional polymer network is mixed with the hydroxy acid, and according to which the mixture is subjected to temperature and pressure conditions and for a duration which are all suitable for giving rise to the formation of the network. Poly(hydroxy acid) (PHA) obtainable by such a process.02-02-2012
20120027667Method for the production of hydrogen peroxide - A process for production of hydrogen peroxide which comprises the following steps: (a) hydrogenation of a working solution comprising at least one non-ionic quinone compound selected from the group consisting of anthraquinone and its derivatives, phenanthrenequinone and its derivatives, naphthoquinone and its derivatives, and benzoquinone and its derivatives, wherein the total molecular weight of optional groups attached to the quinone skeleton is lower than 500, to obtain at least one corresponding hydroquinone compound; (b) oxidation of the at least one hydroquinone compound to obtain hydrogen peroxide; and (c) separation of the hydrogen peroxide, during and/or subsequently to the oxidation step b); wherein the working solution of either step a) and/or b) comprises less than 30% by weight of organic solvent.02-02-2012
20120025177Phosphorescent light-emitting iridium complex containing pyridyltriazole ligand - An Ir complex having a pyridyl triazole ligand substituted with at least one substituent on its pyridyl ring, and a light emitting material comprising such Ir complex. Such light emitting material was found to have a significantly enhanced photophosphorescence quantum yield and hypsochromic blue shifted photophosphorescent emission over other Ir complexes with a pyridyl triazole ligand having no substituent in its pyridine ring. Use of such light emitting material and an organic light emitting device including the same.02-02-2012
20120018687Process for the preparation of easily dispersible Violet Pigment - The surface of a base pigment is modified so as to have a specific functional group such as sulfonic acid or its derivative, in order to increase rheological and colouristic properties and flocculation stability of dioxazine pigments (e.g., Pigment Violet 23). By modifying a pigment surface and further kneading it, dispersibility and the efficiency (brightness) of a color filter are improved without any other adverse effects.01-26-2012
20120012790Complex salts for light emitting devices - White light emitting material comprising a complex salt of the general formula [M01-19-2012
20110318252Process for producing gas from mineral ore - Process for producing a gas from a mineral ore, and in particular from trona ore, said gas having a carbon dioxide concentration of more than 25 volume percents expressed on dry gas, and a quantity of volatile organic compounds of less than 700 mg per kilogram of generated carbon dioxide. The process comprises the steps of crushing the trona ore, introducing crushed trona in a rotary calcining drum with indirect heating, calcining the crushed trona in the calcining device, collecting the calcined trona from calcining device and collecting the gas generated by the trona ore calcination from calcining device in order to constitute the produced gas.12-29-2011
20110297880Polymer composition - A polymer composition comprising: at least one polycondensation polymer having a heat deflection temperature (HDT) of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648 [polymer (P)]; at least one perfluoropolyether block copolymer [polymer (F)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain R12-08-2011
20110282059Light emitting material for use as host dopant in emissive layer for OLEDs - A light emitting material comprising a complex of formula (I): (L11-17-2011
20110260149N-Phenyl carbazole-based host material for light-emitting diodes - The present invention relates to a host material comprising a compound having a carbazole moiety which is suitable for blue-emitting OLEDs. Surprisingly, it has been found that when appropriate substituents are present in the carbazole structure, the solubility of the compounds can be improved without any adverse effect on the OLED performance. The present invention further relates to the use of the host materials and to an organic light emitting device comprising the host material.10-27-2011
20110257306Composition based on a vinyl halide polymer - Composition comprising at least one vinyl halide polymer and 0.1 to 5% by weight, relative to the weight of the vinyl halide polymer, of at least one polymer of at least one acrylic ester obtained by polymerization in solution in a liquid medium comprising at least one chain transfer agent chosen among the C10-20-2011
20110250109Process for the joint production of sodium carbonate and sodium bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate out of trona, comprising introducing and dissolving crushed trona ore is introduced and dissolved in a leaching tank containing a solution comprising sodium carbonate and sodium bicarbonate, saturated in sodium bicarbonate, in order to produce solid particles suspended in a production solution comprising sodium carbonate, the solid particles containing insoluble impurities and at least 65% in weight of sodium bicarbonate; separating the solid particles from the production solution containing sodium carbonate; drying and valorizing the separated solid particles; taking at least part of the production solution containing sodium carbonate out of the leaching tank in order to constitute a produced solution which is valorized; and introducing water in the leaching tank.10-13-2011
20110240933Process for producing a component layer for organic light emitting diodes - The present invention pertains to a method of preparing a component layer for organic light emitting diodes involving milling a composition comprising: at least one component material selected from the group consisting of hole transporting materials, electron transporting materials, hole injection materials, electron injection materials, and emitting materials; a solvent; and a binder. It has been found that, when milling is used for the preparation of a dispersion or suspension, the surface quality of the resultant component layer can be improved, thereby significantly improving the performance of the organic light emitting device. The present invention also provides organic light emitting devices including the component layer prepared by the above preparation method.10-06-2011
20110240458Stripping column and process for extracting a component from a liquid medium - Stripping column and process for extracting a component from a liquid medium using a gas, the stripping column comprising a vertical column (10-06-2011
20110239863Stripping column and process for extracting a component from a liquid medium - Stripping column and process for extracting a component from a liquid medium using a gas, the stripping column comprising a vertical column (10-06-2011
20110237773Glycerol treatment process - Process for treating a glycerol product contaminated with at least one glycerol alkyl ether in order to convert at least one portion of the glycerol alkyl ether to glycerol, in which the glycerol product is subjected to a reaction with at least one halo-de-alkoxylation agent introduced during the treatment, and in which the molar ratio of the total amount of the halo-de-alkoxylation agent to the total amount of the glycerol alkyl ether present in the glycerol product before the treatment, is greater than or equal to 0.1 and less than or equal to 1 000 000.09-29-2011
20110220205Electrolyte-comprising polymer nanofibers Febricated by electrospinning Method and high Performance dye-sensitized solar cells Device using same - A polymer electrolyte including a polymer fiber having a nanoscale diameter, wherein the polymer fiber is fabricated by an electrospinning method and a solar cell device exhibiting high energy conversion efficiency using the same. The solid-state electrolyte comprising such nanosized polymer fiber does not need a sealing agent and further simplifies the entire process compared to a conventional dye-sensitized solar cell using liquid electrolytes. Specifically, the energy conversion efficiency of the present dye-sensitized solar cell is significantly superior to that of a dye-sensitized solar cell using a polymer film electrolyte fabricated by a spin coating method. Further, the present dye-sensitized solar cell device can be obtained by using a scattering layer and compensating the surface effect.09-15-2011
20110215276Phosphorescent light-emitting material - The present invention relates to light emitting materials including a novel Ir complex, where the Ir is provided with a primary ligand selected from phenyl pyridine ligands substituted with at least one Cl atom. Such light emitting materials have been found to have a significantly enhanced photoluminescence quantum yield over other Ir complexes with a phenyl pyridine ligand having no Cl atom, or even over those with a phenyl pyridine ligand having a halogen atom other than Cl, such as a Br or F atom, and as a result specifically improve the efficiency of a light emitting device. The present invention further relates to the use of such light emitting materials and an organic light emitting device including such light emitting materials.09-08-2011
20110198579Host material for light-emitting diodes - The present invention relates to a host material comprising a compound having two carbazole moieties which is suitable for blue-emitting OLEDs. Surprisingly, it has been found that when appropriate substituents are present in the carbazole structure, the solubility of the compounds can be improved without any adverse effect on the OLED performance. The present invention further relates to the use of the host materials and to an organic light emitting device comprising the host material.08-18-2011
20110178297Process for the synthesis of halogenated cyclic compounds - A process for the manufacture of a cyclic compound of formula (I)07-21-2011
20110166369Process for purifying hydrogen chloride - Process for purifying hydrogen chloride, comprising at least one step of bringing said hydrogen chloride into contact with a scrubbing agent containing at least one chlorohydrin.07-07-2011
20110152545Process for manufacturing chlorohydrins, epodixes, diols, diols derivatives or epoxy derivatives - Process for manufacturing a chemical: chlorohydrins, epoxides, diols, diols derivatives, epoxy derivatives or mixtures thereof, in an industrial plant, comprising a step of chemical reaction for manufacturing the chemical and at least one step selected from the group consisting of storage, supply, removal, transfer, chemical treatment and physical treatment of compounds used or produced in such process, in which at least one aqueous effluent is generated, this aqueous effluent containing at least one of overhead waters, surface waters, ground waters, waters from drinking water distribution networks, waters from industrial water distribution networks, plant cleaning waters, or waters used for heating and cooling the plant, this aqueous effluent containing at least one compound other than water and exhibiting at least one of the following features, a water solubility at 25° C. greater than or equal to 0.01 g/kg of water and a boiling point at 1013 mbar, greater than or equal to −100° C., in which at least one part of the generated aqueous effluent is collected, and in which at least one portion of the collected aqueous effluent is recycled in the manufacturing process.06-23-2011
20110130566Perylene tetracarboximide derivatives for photovoltaic devices - The compounds of the present invention are represented by the following formula (I):06-02-2011
20110124889Process for the oxidation of alcohol and/or aldehyde groups - A process for the oxidation of alcohol and/or aldehyde groups with a peroxo compound in the presence of a heterogeneous rhenium based catalyst, and a co-catalyst. The process of the invention may, for example, be applied to the manufacture of maleic acid which can be dehydrated to lead to maleic anhydride.05-26-2011
20110121279Light-emitting material comprising multinuclear complexes - Light emitting materials comprising multinuclear metal complexes comprising at least two metal atoms and a metal bridging ligand bound to said at least two metal atoms. It relates more particularly to a multinuclear complex of Formula (I): {-[L]2M-B-}n, wherein L is a bidentate ligand; M represents a transition metal having an atomic number of at least 40, and each M can be the same or different at each occurrence; B is a 2-connecting short metal bridging ligand bound to said at least two metal atoms, where the metal bridging ligand comprises coordinating atoms independently selected from the group consisting of nitrogen, phosphorous, carbon, oxygen, sulphur and selenium in 1,2 or 1,3 mutual position.(1,2-μ or 1,3-μ bonding mode); and n is an integer larger than 1.05-26-2011
20110087052Process for the manufacture of alkenones - Process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone.04-14-2011
20110081302PROCESS FOR THE OBTENTION OF PURIFIED HEPTAFLUOROPROPANE - Process for the obtention of HFC-227ea having a reduced content of organic impurities, comprising at least subjecting a crude HPC-227ea to two distillation steps at different pressures.04-07-2011
20110028683Composition comprising glycerol, process for obtaining same and use thereof in the manufacture of dichloropropanol - A composition comprising glycerol and at least one cyclic oligomer of glycerol, a process for obtaining the composition, and its use in the manufacture of dichloropropanol and of derived products such as epichlorohydrin and epoxy resins.02-03-2011
20100294727Process for degrading organic substances in an aqueous composition - Process for degrading organic substances in an aqueous composition comprising a step (a) wherein, in a liquid reaction medium, said aqueous composition is reacted with at least one composition comprising hydroxide ions (OH11-25-2010
20100290967Process for producing sodium bicarbonate for flue gas desulphurization - Process for producing sodium bicarbonate for purifying flue gases, according to which an aqueous solution containing sodium sulfate is subjected to electrodialysis to produce a sodium hydroxide solution and a sodium bisulfate solution, the sodium hydroxide solution being carbonated in order to obtain sodium bicarbonate.11-18-2010
20100282614Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate - In a process to produce sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate, a production solution comprising sodium carbonate is introduced into less basic compartments of an electrodialyser comprising alternating less basic and more basic adjacent compartments separated from each other by cationic membranes, the more basic compartments being delimited by anionic faces of bipolar membranes on one side and by the cationic membranes on the other side; a solution comprising sodium hydroxide is produced into the more basic compartments by combination of sodium ions flux crossing the cationic membrane and hydroxyl ions flux crossing the anionic face of the bipolar membranes, and is then extracted from the electrodialyser to be used as a reaction solution; the reaction solution is put into contact with the mineral ore to form a solution comprising sodium carbonate; and the solution comprising sodium carbonate is divided into a part used as the production solution and a remaining part used as a produced solution.11-11-2010
20100179292Method For Recovering A Polymer From A Liquid Medium - Method for recovering a polymer from a liquid medium (07-15-2010
20100125050Process for the Manufacture of Eptifibatide - Process for manufacturing eptifibatide which comprises subjecting a solution of eptifibatide derivative in a solvent to a concentration step, wherein the pH of said solution is less than or equal to 7.05-20-2010
20090326179Process for the manufacture of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane (DCE) starting with a hydrocarbon source which is subjected to a cracking thus producing a mixture of cracking products then subjected to treatment steps to obtain a mixture of products containing ethylene. The mixture is afterwards subjected to a first separation step into a fraction enriched with the compounds that are lighter than ethylene containing some of the ethylene conveyed to a chlorination reactor in which most of the ethylene is converted to DCE, and into a fraction F1 which is subjected to a second separation step into a fraction F2 and into a heavy fraction. Fraction F2 is afterwards subjected to a third separation step into a fraction enriched with ethylene conveyed to an oxychlorination reactor in which most of the ethylene is converted to DCE, and into a fraction F3 mainly composed of ethane.12-31-2009
20090286898HYDROFLUOROCARBON COMPOSITIONS - A composition which comprises 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,3,3-pentafluoropropane (HFC-245fa) in a weight ratio HFC-365mfc/HFC-245fa of from 60:40 to 75:25.11-19-2009
20090264684FLUOROELASTOMERS - VDF-based curable fluoroelastomers having glass transition temperature lower than −35° C. and an amount of —COF end groups in the polymer lower than the sensitivity limit of the method using the FT-IR spectroscopy described in the present application.10-22-2009
20090200920Light-Emitting Material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN]08-13-2009
20090159850Solvent Compositions - Composition comprising at least one hydrofluoroalkane and at least one fluoropolyether.06-25-2009
20090099394PROCESS FOR OBTAINING A PURIFIED HYDROFLUOROALKANE - Process for obtaining a hydrofluoroalkane which is purified of organic impurities, according to which the hydrofluoroalkane containing organic impurities is subjected to at least one purification treatment chosen from 04-16-2009
20090090885PROCESS FOR THE OBTENTION OF PURIFIED HEPTAFLUOROPROPANE - Process for the obtention of HFC-227ea having a reduced content of organic impurities, comprising at least subjecting a crude HFC-227ea to two distillation steps at different pressures.04-09-2009
20090069181Product and Process for Treating Water Bodies, Sediments and Soils - A solid form of an inorganic peroxide product and associated process for the treatment, remediation, etc. of natural, man-made, industrial, municipal, etc., water bodies such as ponds, streams, lakes, canals, paddies, tanks, lagoons, pools, pipelines, etc, especially those that are contaminated, as well as in situ and ex situ treatment of sediment and soil.03-12-2009
20090054583Aqueous Dispersion - The aqueous dispersion, characterized in that it comprises02-26-2009
20090023816PROCESS FOR MAKING A SOLID COMPOUND BY PRECIPITATION, SUSPENSIONS OF SOLID IN LIQUIDS AND SOLIDS OBTAINED BY THE PROCESS AND THEIR USE AS ADDITIVES - Process for making a solid compound by precipitation, using a high intensity mixing reactor and comprising the steps of (A) introducing a first fluid material containing a first reactant and a second fluid material containing a second reactant into said reactor, in order to obtain a mixed fluid, in order to cause the first reactant to react with the second reactant to form a solid compound by precipitation in the mixed fluid; (B) withdrawing the mixed fluid containing the precipitated solid obtained in step (A) from the reactor, and; (C) optionally separating the precipitated solid compound from at least one fraction of the mixed fluid.01-22-2009
20080269538Waste Treatment Process - Process for treating waste containing heavy metals, the process including a phosphating operation, a step of foaming the waste and a step of drying the foam, in which the waste undergoing the treatment results from the addition, to a base waste lightly contaminated with heavy metals, of a secondary waste whose content of heavy metals is at least twice that of the base waste.10-30-2008
20080236388Cartridge for Treating a Gas - Cartridge for the treatment of a gas by reaction with a reactive substance, comprising a cohesive assembly of alveolate cells that are at least partly filled with the reactive substance, the alveolate cells possessing one part of their wall which is permeable to the gas and impermeable to the reactive substance, said wall part being intended to be in contact with the gas.10-02-2008
20080227901Use of Barium Sulfate or Calcium Carbonate Particles in Transparent Polymer Compositions, Transparent Polymer Compositions and Process for Manufacturing These Compositions - Use of nanoparticles of barium sulfate or of calcium carbonate, with a particle size of less than or equal to 150 nm and greater than or equal to 0.5 nm, as filler in transparent polymer compositions. The compositions obtained simultaneously show good scratch resistance, good impact strength, good tensile strength, good heat stability and good visible and UV radiation stability, while at the same time conserving excellent transparency. The compositions may be used as replacement materials for glass in the motor vehicle sector and in the optics sector.09-18-2008
20080226497Aqueous Solution Suitable for the Chemical Sterilization of Packaging Materials, Process for Its Preparation and Its Use - Aqueous solution suitable for the chemical sterilization of packaging materials, process for its preparation and its use Aqueous solution suitable for the chemical sterilization of packaging materials, comprising hydrogen peroxide and at least one foodstuff-compatible stabilizer. This solution but without the stabilizer has a maximum phosphorous content expressed as PO409-18-2008
20080200364Coated Peroxycarboxylic Acid Granules, Process For Their Preparation and Their Use in Detergent, Bleach or Disinfection Applications - Coated peroxycarboxylic acid granules, process for their preparation and their use in detergent, bleach or disinfection applications Coated peroxycarboxylic acid granules containing at least one coating layer of at least one non-reducing oligomeric saccharide can be prepared by contacting peroxycarboxylic acid granules with at least one coating agent containing at least one non-reducing oligomeric saccharide. These granules can be used in detergent, bleach or disinfection applications.08-21-2008

Patent applications by SOLVAY SA