SOLVAY (SOCIETE ANONYME) Patent applications |
Patent application number | Title | Published |
20140142329 | Catalyst Support and Process for the Preparation Thereof - An amorphous catalyst support comprising at least a first oxide selected from the group consisting of: silica, germanium oxide, titanium oxide, zirconium oxide or mixtures thereof, preferably silica gel beads or diatomaceous earth; a group 3 metal oxide; and anions in an amount not greater than 10% by weight of the catalyst support; wherein the group 3 metal oxide is incorporated in the first oxide structure at the molecular level. The catalyst support is prepared by (a) mixing the first oxide, with an anhydrous source of the group 3 metal oxide, and water, at a pH above 11, thus forming a suspension, (b) washing the catalyst support with water, (c) separating the catalyst support from the water, and (d) optionally drying and/or calcining the catalyst support. A catalyst based on such a support has improved catalytic properties. | 05-22-2014 |
20130331582 | N-CYCLOALKYLALKYL TRISCARBAZOLES - The present invention relates to a novel triscarbazole compound comprising cyclo- or polycycloalkyl or aralkyl substituent, which can be represented by Formula (I). | 12-12-2013 |
20130327995 | SPIROBIFLUORENE COMPOUND FOR LIGHT EMITTING DEVICES - A compound represented by Formula (I) or (II). | 12-12-2013 |
20130324741 | NOVEL SPIROBIFLUORENE COMPOUNDS - Novel substituted spirobifluorene compounds useful as intermediates for materials in organic electronics devices | 12-05-2013 |
20130032755 | CONTINUOUS PROCESS FOR PREPARING CHLOROHYDRINS - Continuous process for producing a chlorohydrin, wherein a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is reacted with a chlorinating agent and an organic acid in a liquid reaction medium whose steady-state composition comprises the polyhydroxylated aliphatic hydrocarbon and esters of the polyhydroxylated aliphatic hydrocarbon whose sum content, expressed as moles of polyhydroxylated aliphatic hydrocarbon, is greater than 1.1 mol % and less than or equal to 30 mol %, the percentage being based on the organic part of the liquid reaction medium. | 02-07-2013 |
20130011312 | Process for the joint production of sodium carbonate and sodium bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0.1 and 10 mm is dissolved in water; the resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; the first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; and a part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized. A reagent powder comprising sodium bicarbonate crystals made by such process. | 01-10-2013 |
20120199786 | METHOD FOR MAKING AN EPOXIDE - A mixture of compounds containing 1,3-dichloropropan-2-ol, 2,3-dichloropropan-1-ol, and a halogenated ketone, where the halogenated ketone content of the mixture is at least 0.0001% by weight and less than or equal to 0.1% by weight relative to the 1,3-dichloropropan-2-ol and 2,3-dichloropropan-1-ol. | 08-09-2012 |
20120199493 | AQUEOUS COMPOSITION CONTAINING A SALT, MANUFACTURING PROCESS AND USE - Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 μg of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid. | 08-09-2012 |
20120123138 | Catalyst support and process for the preparation thereof - An amorphous catalyst support comprising at least a first oxide selected from the group consisting of: silica, germanium oxide, titanium oxide, zirconium oxide or mixtures thereof, preferably silica gel beads or diatomaceous earth; a group 3 metal oxide; and anions in an amount not greater than 10% by weight of the catalyst support; wherein the group 3 metal oxide is incorporated in the first oxide structure at the molecular level. The catalyst support is prepared by (a) mixing the first oxide, with an anhydrous source of the group 3 metal oxide, and water, at a pH above 11, thus forming a suspension, (b) washing the catalyst support with water, (c) separating the catalyst support from the water, and (d) optionally drying and/or calcining the catalyst support. A catalyst based on such a support has improved catalytic properties. | 05-17-2012 |
20120010420 | PROCESS FOR PRODUCING AN ORGANIC COMPOUND - Process for producing a chlorohydrin by reaction between a multihydroxylated-aliphatic hydrocarbon, an ester of a multihydroxylated-aliphatic hydrocarbon, or a mixture thereof, and a chlorinating agent, according to which the multihydroxylated-aliphatic hydrocarbon, the ester of a multihydroxylated-aliphatic hydrocarbon, or the mixture thereof used contains at least one solid or dissolved metal salt, the process comprising a separation operation to remove at least part of the metal salt. | 01-12-2012 |
20120003281 | USE OF AN ACARICIDAL POWDER - Use of a powder comprising more than 40% by weight of sodium bicarbonate, for its acaricidal effects in the storage of cereals. | 01-05-2012 |
20110301378 | Process for the preparation of esters of 4-fluorosubstituted 3-oxo-alcanoic acids - Esters of 4-fluorosubstituted 3-oxo-alcanoic acids can be prepared by addition reaction of ketene with the respective acid chloride, subsequent esterification and hydrodechlorination. Preferred reaction products are esters of 4,4-difluoro-3-oxo-butanoic acid. | 12-08-2011 |
20110281783 | SODIUM PERCARBONATE PARTICLES, PROCESS FOR THEIR PRODUCTION, THEIR USE AND DETERGENT COMPOSITIONS CONTAINING THEM - Sodium percarbonate particles having a long term stability expressed as heat output at 40° C. of less than 5 μW/g, measured after storage for 12 weeks at 40° C. | 11-17-2011 |
20110189585 | ION-EXCHANGE MEMBRANES STRUCTURED IN THE THICKNESS AND PROCESS FOR MANUFACTURING THESE MEMBRANES - Monolayer ion-exchange membrane structured in the thickness comprising ion-exchange sites covalently bonded to a support polymer, the membrane comprising two surface zones located on either side of a mid-zone, each surface zone having a thickness of not more than 15% of the total thickness of the membrane, in which the surface zones have a mean ion-exchange site density D | 08-04-2011 |
20110172449 | PROCESS FOR THE MANUFACTURE OF DICHLOROPROPANOL BY CHLORINATION OF GLYCEROL - Process for the manufacture of dichloropropanol in which glycerol is reacted with a chlorinating agent comprising hydrochloric acid in a liquid medium in equilibrium with a vapour phase and in which the condensation of a fraction exhibiting the composition of the vapour phase is prevented. | 07-14-2011 |
20110135553 | Milling process - Process for milling a substance selected from the group consisting of sodium carbonate, sodium bicarbonate, sodium sesquicarbonate, and trona, in which the substance is milled with a cleaning agent in a mill for the purpose of obtaining a powder with a mean diameter of less than 100 μm and of inhibiting the formation of incrustations in the mill. In a process for scrubbing a flue gas contaminated by a volatile acid compound, the powder is injected in the flue gas. | 06-09-2011 |
20110105722 | Peptide synthesis method using n-carboxyanhydride (UNCA) - Method for preparing a peptide or a peptide derivative which comprises it least one step in which a free amino acid or a free peptide is reacted with a urethane-protected amino acid N-carboxyanhydride (UNCA) solution. | 05-05-2011 |
20110098446 | Use of a tetraphenylborate (TPB) salt for the separation of biomolecules - Process for the separation of a biomolecule containing at least one cationic group from a liquid medium containing said biomolecule, which comprises the use of a tetraphenylborate (TPB) salt. | 04-28-2011 |
20110092671 | Peptide manufacturing process - A process for the manufacture of peptide Omiganan in solution phase. Novel intermediates in the process for the manufacture of Omiganan and processes for the manufacture of these intermediates. | 04-21-2011 |
20110082267 | Process for the manufacture of 1,2-dichloroethane and of at least one ethylene derivative compound different from 1,2-dichloroethane - Process for the manufacture of 1,2-dichlorethane and of at least one ethylene derivative compound which is different from 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a simplified cracking which produces a mixture of products containing ethylene and other constituents; b) the mixture of products is separated at least into a fraction A enriched with compounds which are lighter than ethylene, containing part of the ethylene, into a fraction B enriched with ethylene and into a heavy fraction C; and c) one fraction among fraction A and fraction B is conveyed to the manufacture of 1,2-dichloroethane and optionally of any compound derived therefrom, optionally after having been subjected to an acetylene hydrogenation, while the other fraction is conveyed to the manufacture of at least one ethylene derivative compound manufactured directly starting with ethylene which is different from 1,2-dichloroethane and optionally of any compound derived therefrom. | 04-07-2011 |
20110077439 | Process for the production of low-concentration ethylene for chemical use - Process for the production of ethylene for chemical use starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step carried out in a cracking oven, thus producing a mixture of cracking products; b) the mixture of cracking products is subjected to a succession of treatment steps, including a compression step, which makes it possible to obtain a purified crude gas stream; c) the purified crude gas stream is then cooled to a temperature where hydrocarbons with 6 and more carbon atoms condense so that they can be removed from the purified crude gas stream; d) the resulting purified gas stream is afterwards supplied to one separating column, where a fraction A containing hydrogen, methane and ethylene is separated at the head of the column and a heavy fraction C is separated at the bottom of the column; e) a part of the reflux of this column is supplied to a refrigeration cycle leading to a fraction B enriched with ethylene; and f) the fraction A and fraction B are separately supplied to chemical use of ethylene. | 03-31-2011 |
20110077366 | Process for the manufacture of at least one ethylene derivative compound - Process for the manufacture of at least one ethylene derivative compound starting from a low value residual gas, preferably a refinery off-gas (ROG), according to which: a) the low value residual gas is subjected to a series of treatment steps in a low value residual gas recovery unit in order to remove the undesirable components present therein and to obtain a mixture of products containing ethylene and other constituents; b) the mixture of products is fractionated in one fractionation step into one fraction A containing almost all the ethylene, optionally into one individual fraction of ethane, and into one heavy fraction C; and c) the fraction A is conveyed to the manufacture of at least one ethylene derivative compound. | 03-31-2011 |
20110071263 | Process for the manufacture of at least one ethylene derivative compound - Process for the manufacture of at least one ethylene derivative compound starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a simplified cracking which produces a mixture of products containing ethylene and other constituents; b) the mixture of products is fractionated in one fractionation step into one fraction containing almost all the ethylene (fraction A), optionally into one individual fraction of ethane and into one heavy fraction (fraction C); and c) the fraction A is conveyed to the manufacture of at least one ethylene derivative compound. | 03-24-2011 |
20110067831 | Process for the bleaching of paper pulp - Process for the bleaching of paper pulp in which an aqueous suspension of paper pulp is subjected to a bleaching treatment with hydrogen peroxide in the presence of magnesium hydroxide and of at least one poly-α-hydroxyacrylic acid, its salt or their mixture. | 03-24-2011 |
20110065817 | Process for recycling articles based on a fiber reinforced polymer - Process for recycling a fiber reinforced polymer article, according to which the article, eventually cut in fragments, is dissolved in a solvent capable of dissolving the polymer but not the fibers and which is susceptible of forming an azeotrope with water, forming a solution; the fibers are recovered from the solution; the fibers are washed with solvent by putting them in the form of a slurry in the solvent and by agitating the slurry and/or by making the solvent circulate through it; the washed fibers are recovered from the slurry; and the recovered fibers are submitted to a stripping with steam in order to substantially remove the solvent. | 03-17-2011 |
20110064637 | Process for the joint production of sodium carbonate and sodium bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0.1 and 10 mm is dissolved in water; the resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; the first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; and a part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized. A reagent powder comprising sodium bicarbonate crystals made by such process. | 03-17-2011 |
20110060071 | Composition of at least one vinylidene chloride copolymer - Vinylidene chloride copolymer composition characterized in that it comprises: (A) at least one vinylidene chloride copolymer which is a copolymer composed of vinylidene chloride in an amount of at least 50 wt % and of at least one comonomer at least one of which is chosen from (meth)acrylic monomers corresponding to the general formula: CH | 03-10-2011 |
20110031185 | COMBINED CHEMICAL OXIDATION/ASSISTED BIOREMEDIATION OF CONTAMINANTS - A method for the combined chemical oxidation/assisted bioremediation of contaminated materials, comprising contacting a contaminated material with at least one metal chelate and at least one peroxide compound. | 02-10-2011 |
20110031130 | Method for purifying aqueous compositions - Method for purifying an aqueous composition by removing silicon therefrom, according to which a compound comprising aluminum is added to the aqueous composition in order to obtain a molar aluminum content greater than the molar silicon content in said composition, the pH of the composition is controlled and maintained at a value higher than or equal to 8 and lower than or equal to 10, and the precipitate formed is separated from the aqueous suspension obtained. | 02-10-2011 |
20110012284 | Process for manufacturing a plastic-based perforated three-dimensional structure and device for implementing this process - Process for manufacturing a plastic-based perforated three-dimensional structure comprising: a step (1) during which a flat structure of a composition based on at least one thermoplastic polymer (P) chosen from amorphous and semi-crystalline polymers is continuously extruded; a step (2) during which the flat structure resulting from step (1) is fabricated in the form of a perforated three-dimensional structure; a step (3) during which the perforated three-dimensional structure is grasped using gripping means comprising two pairs of jaws that are applied to the two side ends of the structure on both sides of the latter, each pair having its jaws at a given distance from one another in order to apply a controlled compression ratio to the structure; and a step (4) during which the perforated three-dimensional structure is drawn by moving the two pairs of jaws relative to one another in a direction perpendicular to the extrusion direction and by keeping the distance between the jaws of one and the same pair constant. | 01-20-2011 |
20110003234 | Polymer Composition, Polymer Membrane Comprising the Polymer Composition, Process for Preparing it and Fuel Cell Comprising the Membrane - A polymer composition comprising (a) a polybenzimidazole derived from (a1) at least one bis-(ortho-diamino) aromatic compound and (a2) at least one aromatic carboxylic acid or derivative thereof, each containing at least two acid groups and at least one hydroxyl group in α-position of a carboxylic group; (b) orthophosphoric acid; and (c) polyphosphoric acids of the formula (I): HO[P(O)(OH)] | 01-06-2011 |
20100331587 | Process for the manufacture of at least one ethylene derivative compound - Process for the manufacture of at least one ethylene derivative compound starting from a low value residual gas, preferably a ROG, according to which: | 12-30-2010 |
20100331557 | PROCESS FOR THE MANUFACTURE OF 1,2-EPOXY-3-CHLOROPROPANE - Process for the manufacture of 1,2-epoxy-3-chloropropane by reaction between allyl chloride and hydrogen peroxide in the presence of a catalyst and in the possible presence of at least one solvent, in which the allyl chloride employed comprises less than 2000 ppm by weight of 1,5-hexadiene. | 12-30-2010 |
20100317558 | Use of a blend containing percarbonate for detergents and dishwashing formulations - Blend and use thereof for the manufacture of detergent or dishwashing formulations, the blends comprising a first type of particles containing sodium percarbonate having a mean particle size from 400 to 1000 μm and one or more further type(s) of particles, each type of particles having a different chemical composition. | 12-16-2010 |
20100317557 | Non-oxidiser percarbonate particles - Non-oxidiser particles containing sodium percarbonate and at least one additive, the amount of constituents other than sodium percarbonate in the particles being such that the particles are classified as non-oxidiser according to the standard test method O.1 of the UN Manual of Tests and Criteria, sub-section 34.4.1 and that the particles have an available oxygen content of below 12% by weight, wherein the sodium percarbonate is coated and/or co-granulated with the additive(s). Blends comprising such particles. Process for the production of these particles and blends. Use of these particles or blends in detergent compositions and detergent compositions containing them. | 12-16-2010 |
20100311942 | Glycerol-based product, process for obtaining same and use thereof in the manufacturing of dichloropropanol - The invention relates to a glycerol-based product comprising at least one nitrogen-containing compound and of which the total content of nitrogen-containing compound expressed as elemental nitrogen (N) is less than or equal to 1 g of nitrogen (N)/kg of product, to a process for obtaining glycerol, and to its use in the manufacture of dichloropropanol and of derived products such as epichlorohydrin and products derived from epichlorohydrin. | 12-09-2010 |
20100305367 | Process for Manufacturing a Chlorohydrin - A process for manufacturing a chlorohydrin by reacting a polyhydroxylated-aliphatic hydrocarbon, an ester of a polyhydroxylated-aliphatic hydrocarbon, or a mixture thereof with a chlorinating agent in a reactor containing a liquid reaction medium wherein the chlorinating agent is used at least partially in the gaseous form, and wherein said reactor is stirred by means of a stirring system comprising at least one radial-flow impeller and at least one axial-flow impeller. | 12-02-2010 |
20100305223 | Process for recovering a polymer from a solution - Process for recovering a polymer by injection of steam, and optionally liquid water, into a solution of this polymer comprising a polar aprotic organic solvent (PAOS) that has an azeotrope with water and an apolar organic compound that is miscible with the PAOS and immiscible with water and that acts as a phase separation agent (PSA), the boiling point of which is below that of the water/PAOS azeotrope, the amount of steam injected being sufficient to give rise to the substantial removal of the PSA via stripping and that of the PAOS via azeotropic distillation, and the total amount of water being sufficient to give rise to the precipitation of the polymer, this process being characterized in that the polymer solution also comprises an alcohol, at least during the precipitation of the polymer. | 12-02-2010 |
20100298537 | Process for the manufacture of persilylated peptides - Process for the manufacture of a peptide or peptide analog, which comprises (a) producing a persilylated peptide or persilylated peptide analogue by silylating a corresponding peptide by reaction with a silylating agent other than trimethylsilylcyanide, and (b) reacting a compound of formula (I) X-A-COOH wherein X is an amino protecting group, A is an amino acid, peptide or peptide analogue residue, and —COOH designates an optionally activated carboxylic group, with a persilylated peptide or a persilylated peptide analogue containing from 4 to 15 amino acids. | 11-25-2010 |
20100284891 | Process for producing sodium bicarbonate - In a process to produce sodium carbonate,
| 11-11-2010 |
20100280221 | Peptide production and purification process - Processes for the synthesis and purification of a Gly-Gly-Val-Leu-Val-Gln-Pro-Gly octapeptide (SEQ ID NO 1). | 11-04-2010 |
20100264360 | Use of oxidants for the processing of semiconductor wafers, use of a composition and composition therefore - The present invention relates to the use of at least one oxidant, selected from peracids, in compositions for the processing of semiconductor wafers, in particular for the cleaning and chemical mechanical polishing of semiconductor wafers. The present invention also relates to the use of a composition and composition therefore. The use of the oxidants of the invention leads to a good efficacy while limiting/avoiding the corrosion of the substrate. | 10-21-2010 |
20100244012 | Naphthyl-substituted anthracene derivatives and their use in organic light-emitting diodes - The present invention relates to anthracene derivative compounds represented by Formula I: | 09-30-2010 |
20100240850 | IODINATED ORGANIC SUBSTANCES OF LOW MOLECULAR MASS AND PROCESS FOR PREPARING THEM - Process for preparing one or more iodinated organic substances having a molecular mass of less than 2000 (substances (S)) using (A) at least one free-radical-generating substance chosen from peroxides, diazo compounds, dialkyldiphenylalkanes, substances derived from tetraphenylethane, boranes and iniferter substances comprising at least one thiuram disulphide group, (B) an ethylenically unsaturated substance capable of adding a free radical to its ethylenic double bond, (C) molecular iodine, which comprises the steps according to which at least a fraction of (A), at least a fraction of (B) and at least a fraction of (C) are introduced into a reactor, and then the contents of the reactor are caused to react, while introducing therein the possible remainder of (A), the possible remainder of (B) and the possible remainder of (C), until a moment is reached when the content of the reactor is a mixture comprising one or more substances (S). Iodinated organic substances for whose preparation the abovementioned process is particularly well suited. | 09-23-2010 |
20100212540 | Use of compositions containing silicon for improving the corrosion resistance of vessels - Use of a composition comprising silicon, oxygen and at least one of calcium, potassium, or titanium, as a material for coating an equipment or as a constituent material of equipment, intended to be in contact with a mixture containing a chlorohydrin, hydrogen chloride and water. The use of the composition may provide a method for reducing corrosion of the equipment, for decreasing the frequency of replacement of the equipment and/or for lowering the risks linked to equipment breakage and leak. The equipment which is intended to be in contact with the mixture may be used in a process for manufacturing a chlorohydrin, in which a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture of the two, is reacted with a chlorinating agent that contains hydrogen chloride. | 08-26-2010 |
20100190984 | Light emitting material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 07-29-2010 |
20100179302 | Manufacture of Dichloropropanol - Manufacture of dichloropropanol Process for manufacturing dichloropropanol wherein a glycerol-based product comprising at least one diol containing at least 3 carbon atoms other than 1,2-propanediol, is reacted with a chlorinating agent, and of products derived from dichloropropanol such as epichlorohydrin and epoxy resins. No figure. | 07-15-2010 |
20100179300 | Product containing epichlorohydrin, its preparation and its use in various applications - Product containing epichlorohydrin and at least one alkyl glycidyl ether in an amount of less than 0.1 g/kg of product. Use of the product containing epichlorohydrin in the manufacture of epoxy resins, of glycidyl ethers, of glycidyl esters, of glycidyl amides, of glycidyl imides, of products that will be used in food and drink applications, of cationization agents, and of flame retardants, of products which will be used as detergent ingredient and of epichlorohydrin oligomers. | 07-15-2010 |
20100174078 | Bipyridine metal complexes for use as light-emitting material - The present invention relates to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 07-08-2010 |
20100170805 | Aqueous composition containing a salt, manufacturing process and use - Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 μg of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid. | 07-08-2010 |
20100168379 | Epichlorohydrin, manufacturing process and use - Product containing epichlorohydrin, wherein the amount of trichloropropane is of less than 0.01 g of trichloropropane per kg of product, a process for manufacturing the product and its use in various applications. | 07-01-2010 |
20100163193 | Process for the bleaching of mechanical paper pulp - A process for the bleaching of mechanical paper pulp with one or more peroxide oxidizing agents, in which the pulp is pretreated in a pretreatment step with one or more chelating agents chosen from aspartic acid and its derivatives, substituted on the nitrogen atom, characterized in that the initial pH of the pretreatment step, just before adding the one or more chelating agents, is above 8. | 07-01-2010 |
20100159126 | Aqueous Emulsion Comprising a Functionalized Polyolefin and Carbon Nanotubes - Aqueous emulsion comprising: | 06-24-2010 |
20100147698 | METHOD FOR OBTAINING SODIUM CARBONATE CRYSTALS - Method for producing sodium carbonate, according to which an aqueous sodium chloride solution ( | 06-17-2010 |
20100135601 | Composition of at least one vinylidene chloride polymer - Vinylidene chloride polymer composition characterized in that it comprises:
| 06-03-2010 |
20100129282 | High-purity calcium compounds - A calcium product contains, in dry state, at least 97% by weight of a calcium compound selected from the group consisting of calcium oxide, calcium hydroxide, calcium sulfate (up to 3% by weight, preferably less) and calcium carbonate, and less than or equal to 4.2 ppm by weight of phosphorus with respect to calcium content and less than or equal to 1.4 ppm by weight of boron with respect to calcium content. | 05-27-2010 |
20100113808 | Aqueous hydrogen peroxide solution, process for its preparation and use thereof - The present invention refers to an aqueous hydrogen peroxide solution having a hydrogen peroxide concentration [H | 05-06-2010 |
20100107638 | Device and process for distributing a fluid - Device for distributing a fluid in a controlled manner, in particular for distributing a gas loaded with particles, the device comprising a pipe ( | 05-06-2010 |
20100105964 | Process for the manufacture of dichloropropanol - Process for manufacturing dichloropropanol according to which, a) in a liquid reaction medium containing water, which is in contact with a gaseous phase, glycerol is reacted with hydrogen chloride under a partial pressure of hydrogen chloride in the gaseous phase greater than 0.2 bar absolute, and b) at least part of the liquid reaction medium and optionally part of the gaseous phase from step a) is (are) subjected to at least one separation operation and, prior to said separation operation, the part of the liquid reaction medium and the part of the gaseous phase from step a) is (are) subjected to bi) at least one treatment for reducing the weight ratio between the hydrogen chloride and the water in the part of the liquid reaction medium so as to attain a ratio less than or equal to the weight ratio between the hydrogen chloride and the water in the binary azeotropic hydrogen chloride/water composition at total pressure of the separation operation, and/or bii) at least one treatment for reducing the weight ratio between the water and the dichloropropanol in the part of the liquid reaction medium so as to attain a ratio less than or equal to the weight ratio between the water and the dichloropropanol in the ternary water/dichloropropanol/hydrogen chloride azeotrope at total pressure of the separation operation. | 04-29-2010 |
20100105862 | Process for the manufacture of dichloropropanol - Process for manufacturing dichloropropanol via reaction between glycerol and/or monochloropropanediol and a chlorinating agent in a reactor which is supplied with one or more liquid streams, in which the sum of the glycerol and monochloropropanediol contents in all the liquid streams introduced into the reactor is less than 50 wt % and in which all the liquid streams introduced into the reactor comprise at least one liquid recycling stream, the recycling stream forming at least 10 wt % of all the liquid streams introduced into the reactor. | 04-29-2010 |
20100102711 | Light-emitting material - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 04-29-2010 |
20100101743 | Process for the bleaching of paper pulp - Process for the bleaching of paper pulp in which : | 04-29-2010 |
20100075104 | Method for producing a PVC-based composite plate and structure including one such plate - Process for manufacturing composite sheets based on PVC and a network of long fibers, said process comprising the following steps:
| 03-25-2010 |
20100063333 | Catalytic Hydrochlorination System and Process for Manufacturing Vinyl Chloride from Acetylene and Hydrogen Chloride in the Presence of this Catalytic System - Catalytic hydrochlorination system comprising at least one amine hydrochloride and at least one group VIII metal compound chosen from the group composed of mixtures of a platinum (IV) compound with tin (II) chloride, mixtures of a platinum (II) compound with triphenylphosphine oxide and mixtures of a palladium (II) compound with triphenylphosphine. This catalytic system is suitable for preparing vinyl chloride by reaction of acetylene with hydrogen chloride. | 03-11-2010 |
20100041809 | ACID RESISTANT PARTICLES OF AN ALKALINE EARTH METAL CARBONATE - Alkaline earth metal carbonate exhibiting a resistance to acids expressed as pH of less than 7 measured after suspending 1.0 g of the particles in a mixture made of 20 ml of toluene and 80 ml of an aqueous phase consisting of deionized water, 11.76 g/L of citric acid monohydrate, 2.57 g/L of NaCl and 0.068 mol/L of NaOH, after 35 minutes of stirring at 25° C. and at 1 000 rpm, or expressed as a moisture pick-up lower than or equal to 2 g water/kg of calcium carbonate after one week of storage at 22° C. and 50% relative humidity, or as a Differential Scanning Calorimetry (DSC) spectrum showing at least one peak between 170 and 190° C. when measured at a heating rate of 10° C./min under nitrogen atmosphere from 25 to 250° C. in open cells. Process for the preparation of said particles, compositions containing said particles and the use thereof. | 02-18-2010 |
20100032617 | Process for manufacturing epichlorohydrin - Process for manufacturing epichlorohydrin comprising the following steps:
| 02-11-2010 |
20100006506 | Process for treating substances contaminated by heavy metals - Process for treating substances contaminated by heavy metals, according to which a calcium phosphate gel is produced and is brought into contact with the contaminated substances. | 01-14-2010 |
20090326195 | Process for the manufacture of peptides - A process for manufacturing a cyclic peptide which comprises providing a cyclic peptide bonded to a Merrifield-type resin and cleaving the cyclic peptide from the Merrifield type resin by transesterification. | 12-31-2009 |
20090324867 | Polymer compositions having adhesive properties - Polymer compositions with adhesive properties comprising:
| 12-31-2009 |
20090292071 | Free-radical polymerization process in aqueous dispersion for the preparation of a block copolymer at least one block of which is a block of a halogenated polymer - Process of controlled free-radical polymerization in aqueous dispersion for the preparation of a block copolymer at least one block of which is a block of a halogenated polymer using molecular iodine and at least one oxidant whose solubility in water is at least 10 g/l for the synthesis of the first block of the block copolymer. | 11-26-2009 |
20090291038 | Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which:
| 11-26-2009 |
20090288957 | Process for the Production of Sodium Bicarbonate - Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments. | 11-26-2009 |
20090275726 | PROCESS FOR PRODUCING EPICHLOROHYDRIN - Process for producing epichlorohydrin comprising subjecting to a dehydrochlorination operation, dichloropropanol produced from glycerol comprising aldehydes. | 11-05-2009 |
20090270588 | PROCESS FOR PRODUCING DICHLOROPROPANOL - Process for producing dichloropropanol wherein glycerol is reacted with at least one chlorinating agent in a reactor made of or coated with materials selected from enamelled steel, polyolefins, fluorinated polymers, phenolic resins, tantalum, and silver. | 10-29-2009 |
20090270579 | Process for the Manufacture of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) producing a gas mixture containing ethylene, then dried and subjected to an absorption to be separated 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. Fraction F1 is then subjected to a desorption to be separated into a fraction enriched with ethylene conveyed to an oxychlorination reactor in which most of the ethylene is converted into DCE, and into a fraction F3. | 10-29-2009 |
20090270568 | Process for the Manufacture of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) thus producing a gas mixture containing ethylene which is then dried and conveyed to a chlorination reactor supplied with a flow of chlorine so that at least 10% of the ethylene is converted to DCE. The stream of products derived from the chlorination reactor is then conveyed to an oxychlorination reactor in which the majority of the balance of ethylene is converted to DCE. | 10-29-2009 |
20090264594 | Aromatic Sulfone Polymer Composition Comprising Tetrafluoroethylene Polymer Particles - The invention relates to an aromatic sulfone polymer composition comprising
| 10-22-2009 |
20090260993 | Method for obtaining sodium carbonate crystals - Method for producing sodium carbonate, according to which an aqueous sodium chloride solution ( | 10-22-2009 |
20090247794 | Process for the preparation of halogenated hydrocarbons with at least 3 carbon atoms in the presence of iron and a phosphite - A telomerisation process is described whereby haloalkanes like tetrachloromethane are added to halogenated olefins like 2-chloroprop-1-ene in the presence of an iron catalyst and a phosphite. The reaction products, e.g. 1,1,1,3,3-pentachlorobutane, can be fluorinated. | 10-01-2009 |
20090203868 | PROCESS FOR THE PURIFICATION OF VINYL CHLORIDE POLYMERS (PVC) FROM HEAVY METALS - Process for the purification of a vinyl chloride polymer (PVC) comprising at least one compound of a heavy metal, according to which: (a) the PVC is dissolved in a solvent; (b) the solution is treated with at least one additive capable of adsorbing or of forming complexes with the compound of the heavy metal; (c) the solution treated is subjected to centrifuging, so as to precipitate the adsorbed or complexed compound of the heavy metal; and (d) the precipitate is separated from the PVC solution. | 08-13-2009 |
20090203854 | Process for the manufacture of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) producing a gas mixture containing ethylene then dried and subjected to an absorption to be separated into a fraction enriched with the compounds that are lighter than ethylene containing some of the ethylene conveyed to a chlorination reactor R | 08-13-2009 |
20090203827 | Method for preparing a latex from a chlorinated vinylic polymer - Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. | 08-13-2009 |
20090202760 | Process for preparing a vinylidene chloride polymer composition - Process for preparing a composition of a vinylidene chloride polymer and at least one ε-caprolactone polymer according to which:
| 08-13-2009 |
20090198041 | CRUDE GLYCEROL-BASED PRODUCT, PROCESS FOR ITS PURIFICATION AND ITS USE IN THE MANUFACTURE OF DICHLOROPROPANOL - The invention relates to a crude glycerol-based product comprising glycerol alkyl ethers, to a purification process comprising a treatment of evaporative concentration, of evaporative crystallization, of distillation, of fractional distillation, of stripping, or of liquid-liquid extraction and to the use of the purified product in the manufacture of dichloropropanol. | 08-06-2009 |
20090187052 | REACTOR AND METHOD FOR REACTING AT LEAST TWO GASES IN THE PRESENCE OF A LIQUID PHASE - A reactor for reacting at least two gases in the presence of a liquid phase, provided with an external liquid phase circulation device and including at least one injector for injecting the gases and the externally circulated liquid phase. In the injector the mixing of the gases together and with the externally circulated liquid phase only begins at the outlet of the injector. | 07-23-2009 |
20090176047 | Polymeric compositions with adhesive properties - Polymer compositions with adhesive properties comprising:
| 07-09-2009 |
20090149619 | PROCESS FOR THE PURIFICATION FROM HEAVY METALS OF VINYL CHLORIDE POLYMERS - Process for the purification of a vinyl chloride polymer (PVC) comprising at least one compound of a heavy metal, according to which: (a) the PVC is dissolved in a water-miscible polar organic solvent; (b) an aqueous solution comprising a reagent, which is either a base capable of reacting with the compound of the heavy metal (R1) or a dispersing agent capable of stabilizing the said compound (R2), is added to the organic solution, the water being introduced in an amount (Q) such that it brings about the formation of a two-phase medium, the continuous phase of which is the organic phase; (c) the two-phase medium is subjected to stirring for a time sufficient for the reagent to be able to interact with (exert its effect on) the compound of the heavy metal; (d) the precipitation of the PVC out of this two-phase medium is brought about. | 06-11-2009 |
20090134550 | Die for producing very wide, flat, plastic-based structures - A die for producing wide, flat, plastic-based structures including a base and a cover. The die includes a plurality of ducts for feeding molten plastic, opening into a distribution channel, and a longitudinal outflow slot for outputting the molten plastic in a form of a substantially flat structure. The distribution channel and the outflow slot communicate via a plurality of distributors of generally triangular section having a downstream apex, near to which a feed duct emerges, and two upstream apexes forming intersections of the distribution channel and of the outflow slot, each feed duct being fed with molten plastic via an upstream orifice of the die that is specific thereto. | 05-28-2009 |
20090134545 | Process For The Manufacture of Lightweight Construction Materials Containing Clay - Process for the manufacture of lightweight construction materials starting from clay by extrusion molding wherein a source of hydrogen peroxide is used as gas generating agent. The use of hydrogen peroxide in such a process allows to reduce the power of extrusion at constant moisture content, and to reduce the amount of added water at constant extrusion pressure. | 05-28-2009 |
20090131631 | METHOD FOR MAKING A CHLOROHYDRIN - Process for preparing a chlorohydrin, comprising the following steps:
| 05-21-2009 |
20090124748 | POLYMERIC COMPOSITION BASED ON A PVDF HOMOPOLYMER AND A THERMOPLASTIC FLUOROCOPOLYMER - Polymeric composition based on a PVDF homopolymer and a thermoplastic fluorocopolymer Polymeric composition based on a PVDF homopolymer and a thermoplastic fluoropolymer offering an improved toughness/processability compromise, possessing an apparent melt viscosity not exceeding 60 000 Pa·s at a shear rate of 1 s | 05-14-2009 |
20090124745 | Particles of Precipitated Calcium Carbonate, Process For Making The Particles And Use Of The Particles As Filler - Particles of precipitated calcium carbonate with a rhombohedral crystal morphology exhibiting a low sodium content and a particle size distribution with a low cutoff value. Process for making such particles. Use of the particles as filler in polymer films. | 05-14-2009 |
20090124715 | METHOD FOR PURIFYING A SOLUTION CONTAINING A PLASTIC MATERIAL - Method for purifying a solution of at least one plastic in a solvent, the said solution comprising insolubles, whereby the solution is purified using a centrifugal settler. | 05-14-2009 |
20090115327 | LIGHT-EMITTING MATERIAL - This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [ĈN] | 05-07-2009 |
20090107621 | Process for manufacturing a plastic-based cellular structure - Process for manufacturing a plastic-based cellular structure comprising:
| 04-30-2009 |
20090099285 | COATED PARTICLES OF CALCIUM CARBONATE HAVING A HIGH SPECIFIC SURFACE - The present invention relates to particles of an alkaline earth metal carbonate which are at least partially coated with at least one coating agent and which have a specific surface of more than 50 m | 04-16-2009 |
20090082508 | METHOD FOR OBTAINING PRECIPITATED CALCIUM CARBONATE PARTICLES OF NANOMETRIC SCALE STRUCTURE - Process for the production of precipitated calcium carbonate particles, structured at the nanoscale, by carbonation of milk of lime in the presence of a crystallization controller selected from the following list: polyaspartic acid, dioctyl sodium sulphosuccinate, polyacrylic acid, the molecular weight of which is between 500 and 15 000, and citric acid. When the crystallization controller is citric acid, its concentration in the milk of lime is between 5 and 15%. | 03-26-2009 |
20090062577 | Process for the manufacture of 1,1,1,3,3-pentafluoropropane - A process for the manufacture of 1,1,1,3,3-pentafluoropropane, which comprises reacting 1,1,1,3,3,3-hexafluoropropane with a source of hydrogen. | 03-05-2009 |
20090062576 | Process for the manufacture of 1,1,1,3,3-pentafluoropropane - A process for the manufacture of 1,1,1,3,3-pentafluoropropane which comprises adding hydrogen fluoride to 1,1,1,3-tetrafluoropropene in the substantial absence of metal catalyst. Another embodiment provides for the manufacture of 1,1,1,3,3-pentafluoropropane which comprises adding hydrogen fluoride to 1,1,1,3-tetrafluoropropene in the presence of an amine hydrofluoride complex and a metal catalyst. | 03-05-2009 |
20090054639 | Process for the Manufacture of Oxidized Starch, Oxidized Starch and Its Use - Process for the manufacture of oxidized starch by reacting an aqueous slurry of starch with a peroxide compound, the reaction being carried out in the presence of ozone or by irradiating the slurry with UV light, the amount of peroxide compound used being lower than 30 % by weight calculated on the basis of the weight of dry starch. The oxidized starch can be used as additive for the paper industry or for the food industry. | 02-26-2009 |
20090041651 | Process for Jointly Obtaining a Chlorine Derivative and Crystals of Sodium Carbonate - An aqueous solution of sodium chloride is electrolysed in a cell ( | 02-12-2009 |
20090029215 | ION-EXCHANGE MEMBRANES STRUCTURED IN THE THICKNESS AND PROCESS FOR MANUFACTURING THESE MEMBRANES - Monolayer ion-exchange membrane structured in the thickness comprising ion-exchange sites covalently bonded to a support polymer, the membrane comprising two surface zones located on either side of a mid-zone, each surface zone having a thickness of not more than 15% of the total thickness of the membrane, in which the surface zones have a mean ion-exchange site density D | 01-29-2009 |
20090022653 | METHOD FOR PURIFYING HYDROGEN CHLORIDE - Method for purifying hydrogen chloride gas containing aromatic organic compounds, comprising at least one step of contacting the said hydrogen chloride with a scrubbing agent containing 1,2-dichlorethane. | 01-22-2009 |
20080281132 | Process For the Manufacture of Dichloropropanol By Chlorination of Glycerol - Process for the manufacture of dichloropropanol in which glycerol is reacted with a chlorinating agent comprising hydrochloric acid in a liquid medium in equilibrium with a vapour phase and in which the condensation of a fraction exhibiting the composition of the vapour phase is prevented. | 11-13-2008 |
20080275162 | Ptfe-Based Compositions - The invention relates to core-shell particles, said particles comprising:
| 11-06-2008 |
20080268225 | Method for Manufacturing a Multilayer Insulating Panel - Method for manufacturing a multilayer insulating panel having a cellular core comprising a honeycomb structure based on plastic filled with foam and two external layers of nonexpanded material, the said method comprising the following steps: —one of the external layers ( | 10-30-2008 |
20080265069 | Milling Process - Process for milling a substance selected from sodium carbonate, sodium bicarbonate and sodium sesquicarbonate or trona, in which a cleaning agent is introduced into a mill for the purpose of obtaining a powder with a mean diameter of less than 100 μm and of inhibiting the formation of incrustations in the mill. | 10-30-2008 |
20080254277 | Process for Manufacturing Cellular Structures Based on Amorphous Thermoplastic Polymers - Process for manufacturing cellular structure based on a composition comprising an amorphous thermoplastic polymer and made up of sheets extruded in parallel and intermittently welded, according to which:
| 10-16-2008 |
20080214879 | Oxychlorination Catalyst and Process Using Such a Catalyst - Oxychlorination catalyst containing at least copper as an active element deposited on a support characterized in that the support consists essentially of an alumina obtained by calcination of an alumina hydrate obtained as by-product of the ALFOL® linear primary alcohol process and use of such catalyst in an oxychlorination process of a hydrocarbon containing 1 to 4 carbon atoms. | 09-04-2008 |
20080214848 | Method For Making an Epoxy Starting From a Chlorhydrine - Process for preparing an epoxide, comprising at least one step of purifying the epoxide formed, the epoxide being at least partly prepared by a process of dehydrochlorinating a chlorohydrin, the latter being at least partly prepared by a process of chlorinating a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof. | 09-04-2008 |
20080213327 | Method of Deparasitizing and Parasiticidal Powder - Method using a parasiticidal powder typically comprising from 1 to 15% by weight of silica and from 85 to 99% of alkali metal bicarbonate. | 09-04-2008 |
20080207968 | Process For The Manufacturing Of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; b) the said mixture of products is separated into a fraction enriched with compounds which are lighter than ethylene, containing part of the ethylene (fraction A), into a fraction enriched with ethylene (fraction B) and into a heavy fraction (fraction C); c) fraction A is conveyed to a chlorination reactor and fraction B to an oxychlorination reactor, in which reactors most of the ethylene present in fractions A and B is converted to 1,2-dichloroethane; d) the 1,2-dichloroethane obtained is separated from the streams of products derived from the chlorination and oxychlorination reactors. | 08-28-2008 |
20080207967 | Process For The Manufacture Of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; b) the said mixture of products is separated into at least one fraction containing ethylene and into a heavy fraction (fraction C); c) the fraction or fractions containing ethylene are conveyed to a chlorination reactor and/or to an oxychlorination reactor, in which reactors most of the ethylene present is converted to 1,2-dichloroethane; d) the 1,2-dichloroethane obtained is separated from the streams of products derived from the chlorination and oxychlorination reactors and it is conveyed to the pyrolysis oven; and e) the fraction C is conveyed to cracking or to the oven for pyrolysis of 1,2-dichloroethane as fuel. | 08-28-2008 |
20080207966 | Process For The Manufacture Of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; b) the mixture of products containing ethylene is conveyed to at least one storage reservoir; c) a chlorination reactor and/or an oxychlorination reactor is (are) supplied with the previously stored mixture of products containing ethylene, in which reactors most of the ethylene present is converted to 1,2-dichloroethane; d) the 1,2-dichloroethane obtained is separated from the streams of products derived from the chlorination and oxychlorination reactors. | 08-28-2008 |
20080207965 | Process For The Manufacture Of 1,2-Dichloroethane - Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step performed in a cracking oven, thus producing a mixture of cracking products; b) the said mixture of cracking products is subjected to a succession of treatment steps ending with a drying step which makes it possible to obtain a mixture of products containing ethylene and other constituents; c) the said mixture of products containing ethylene derived from step b) is separated into at least one fraction containing ethylene and into a heavy fraction; d) the fraction(s) containing the ethylene is (are) conveyed to a chlorination reactor and/or to an oxychlorination reactor, in which reactors most of the ethylene present is converted to 1,2 -dichloroethane; e) the 1,2-dichloroethane obtained is separated from the streams of products derived from the chlorination and oxychlorination reactors; the process being characterized in that a step for hydrogenating the acetylene is carried out upstream of the drying step ending the succession of treatment steps constituting step b) and/or on at least one of the fractions containing ethylene after separation during step c). | 08-28-2008 |
20080200642 | Method For Making a Chlorhydrine by Reaction Between a Polyhydroxylated Aliphatic Hydrocarbon and a Chlorinating Agent - Process for preparing a chlorohydrin from a polyhydroxylated aliphatic hydrocarbon, from an ester of a polyhydroxylated aliphatic hydrocarbon or from a mixture thereof, and from a chlorinating agent, the chlorinating agent comprising at least one of the following compounds: nitrogen, oxygen, hydrogen, chlorine, an organic hydrocarbon compound, an organic halogen compound, an organic oxygen compound and a metal. | 08-21-2008 |