Patent application number | Description | Published |
20080200701 | Method For Making a Chlorohydrin Starting With a Polyhydroxylated Aliphatic Hydrocarbon - Process for preparing a chlorohydrin by reacting a polyhydroxylated aliphatic hydrocarbon with a chlorinating agent in a reactor which is supplied with one or more liquid streams containing less than 50% by weight of the polyhydroxylated aliphatic hydrocarbon relative to the weight of the entirety of the liquid streams. | 08-21-2008 |
20080207930 | Process For Producing a Chlorhydrin From a Multihydroxylated Aliphatic Hydrocarbon and/or Ester Thereof in the presence of Metal Salts - 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. | 08-28-2008 |
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 |
20090131631 | METHOD FOR MAKING A CHLOROHYDRIN - Process for preparing a chlorohydrin, comprising the following steps:
| 05-21-2009 |
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 |
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 |
20090275726 | PROCESS FOR PRODUCING EPICHLOROHYDRIN - Process for producing epichlorohydrin comprising subjecting to a dehydrochlorination operation, dichloropropanol produced from glycerol comprising aldehydes. | 11-05-2009 |
20100032617 | Process for manufacturing epichlorohydrin - Process for manufacturing epichlorohydrin comprising the following steps:
| 02-11-2010 |
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 |
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 |
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 |
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 |
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 |
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 |
20100294727 | Process 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 (OH | 11-25-2010 |
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 |
20110028683 | Composition 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 |
20110166369 | Process 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 |
20110237773 | Glycerol 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 |
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 |
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 |
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 |
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 |
20130102755 | 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. | 04-25-2013 |
20130153401 | Brine purification process - A process for purifying a brine of organic compounds comprising: (a) supplying a brine that comprises at least one organic compound; (b) feeding at least one stripping zone with the brine from (a) and at least one stripping agent; (c) withdrawing from the stripping zone at least one fraction (I) consisting essentially of brine, the content of the organic compound being lower in fraction (I) than in the brine from step (a), and at least one fraction (II) consisting essentially of the stripping agent; wherein the temperature (T | 06-20-2013 |
20130161201 | Electrolysis Process - Electrolysis process in which the anode compartment of an electrolytic cell is fed with at least one brine which has been subjected to a stripping treatment in the presence of at least one stripping agent at a pH less than or equal to the pH of the anode compartment of the electrolytic cell, such brine comprising at least one organic compound before the treatment. | 06-27-2013 |
20130184477 | Derivative of epichlorohydrin of natural origin - Derivative of epichlorohydrin of natural origin, selected from the group consisting of glycidyl ethers presenting an epoxide equivalent weight higher than or equal to 50 g/equivalent and lower than or equal to 15000 g/equivalent, of glycidyl esters, of glycidyl amides, of glycidyl imides, of glycidyl amines, and of any mixture thereof, and of which the | 07-18-2013 |
20130190474 | EPICHLOROHYDRIN, MANUFACTURING PROCESS AND USE - A method for the manufacture of a material selected from epoxy resins, glycidyl esters, glycidyl ethers, glycidyl amides, glycidyl imides, epichlorohydrin elastomers, coagulants, wet-strength resins, cationization agents, flame retardants and detergent ingredients by subjecting a product containing epichlorohydrin and trichloropropane to a reaction in order to obtain the material, wherein the product contains a positive amount of trichloropropane in an amount of up to less than 0.01 g of trichloropropane per kg of product. | 07-25-2013 |
20130211110 | Process for manufacturing epichlorohydrin - Process for manufacturing epichlorohydrin, comprising: (a) preparing epichlorohydrin to obtain a mixture comprising epichlorohydrin and water; (b) subjecting the mixture obtained in step (a) to a liquid-liquid phase separation to separate at least one first fraction (I) comprising most of the epichlorohydrin which was contained in the mixture before separation and at least one second fraction (II) comprising most of the water which was contained in the mixture before separation; and (c) drawing off the fraction (I) and the fraction (II); wherein the volume V | 08-15-2013 |
20130225843 | PROCESS FOR THE MANUFACTURE OF DICHLOROPROPANOL - A process for manufacturing dichloropropanol in which glycerol and/or monochloropropanediol are reacted with hydrogen chloride, in a liquid reaction medium, which is in contact with a gaseous phase, in at least two reactors arranged in a loop, and under a partial pressure of hydrogen chloride in the first reactor which is greater than the partial pressure of hydrogen chloride in the second reactor. This process is suitable for recovering dichloropropanol free from hydrogen chloride and the recovered dichloropropanol may be used in subsequent reactions while avoiding overconsumption of basic agent and loss of recoverable hydrogen chloride, and corrosion during transfer and storage of dichloropropanol will be limited. | 08-29-2013 |
20130274488 | PROCESS FOR PREPARING 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. | 10-17-2013 |
20130303793 | 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 solid catalyst and in the possible presence of at least one solvent in an epoxidation medium comprising at least two liquid phases under the conditions of reaction, wherein the catalyst exhibits an external surface to volume ratio lower than to 2.4 10 | 11-14-2013 |
20130310581 | 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 solid catalyst and in the possible presence of at least one solvent in an epoxidation medium comprising at least two liquid phases under the conditions of reaction, comprising feeding continuously a reaction zone comprising the catalyst with at least allyl chloride, hydrogen peroxide and possibly at least one solvent at a total liquid linear velocity higher than or equal to 0.01 m/s and lower than or equal to 1 m/s, wherein the pressure drop across the reaction zone is lower than or equal to 25 kPa/m. | 11-21-2013 |