Patents by Inventor Philippe Krafft
Philippe Krafft has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7939696Abstract: 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 vapor phase and in which the condensation of a fraction exhibiting the composition of the vapor phase is prevented.Type: GrantFiled: November 8, 2006Date of Patent: May 10, 2011Assignee: Solvay Societe AnonymeInventors: Philippe Krafft, Christian Franck, Ivan De Andolenko, Roger Veyrac
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Patent number: 7906692Abstract: Process for preparing a chlorohydrin, comprising the following steps: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof whose alkali metal and/or alkaline earth metal content is less than or equal to 5 g/kg, a chlorinating agent and an organic acid are reacted so as to give a mixture containing at least chlorohydrin and by-products (b) at least part of the mixture obtained in step (a) is subjected to one or more treatments in steps subsequent to step (a) (c) at least one of the steps subsequent to step (a) consists in oxidation at a temperature greater than or equal to 800° C.Type: GrantFiled: May 19, 2006Date of Patent: March 15, 2011Assignee: Solvay (Societe Anonyme)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets
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Patent number: 7906691Abstract: Process for preparing a chlorohydrin, comprising a step in which a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is subjected to reaction with a chlorinating agent containing hydrogen chloride and at least one other step, carried out in apparatus made from or covered with materials which are resistant to the chlorinating agent under the conditions in which this step is realized.Type: GrantFiled: May 19, 2006Date of Patent: March 15, 2011Assignee: Solvay (Societe Anonyme)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets, Christian Franck
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Patent number: 7893193Abstract: Process for preparing a chlorohydrin, comprising the following steps: (a) 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 so as to give a mixture containing the chlorohydrin and esters of the chlorohydrin (b) at least part of the mixture obtained in step (a) is subjected to one or more treatments in steps subsequent to step (a) (c) polyhydroxylated aliphatic hydrocarbon is added to at least one of the steps subsequent to step (a), so as to react, at a temperature greater than or equal to 20° C., with the esters of the chlorohydrin, so as to form, at least partly, esters of the polyhydroxylated aliphatic hydrocarbon.Type: GrantFiled: May 19, 2006Date of Patent: February 22, 2011Assignee: Solvay (Société Anonyme)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets
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Publication number: 20100179300Abstract: 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.Type: ApplicationFiled: June 11, 2008Publication date: July 15, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Noel Boulos, Philippe Krafft, Patrick Gilbeau, Dominique Balthasart
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Publication number: 20100179302Abstract: 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.Type: ApplicationFiled: June 20, 2008Publication date: July 15, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau
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Publication number: 20100170805Abstract: 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 ?g of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid.Type: ApplicationFiled: June 11, 2008Publication date: July 8, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Andre Daene
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Patent number: 7750195Abstract: 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 (a) a treatment with chlorine in the presence of a initiator (b) a reaction with hydrogen fluoride (c) a distillation in which the purified hydrofluoroalkane is removed from the top of the distillation column or from the side (d) an extractive distillation (e) an adsorption onto a solid adsorbent (f) a reaction with a compound containing oxygen, and (g) a reaction with a compound containing oxygen and a gas-phase reaction with a reagent capable of reacting with at least some of the organic impurities, with the exception of a reaction with elemental chlorine.Type: GrantFiled: December 22, 2008Date of Patent: July 6, 2010Assignee: Solvay S.A.Inventors: Vincent Wilmet, Francine Janssens, Lionel Casaubon Seignour, Philippe Krafft, Alain Lambert, Olivier Buyle
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Publication number: 20100168379Abstract: 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.Type: ApplicationFiled: June 11, 2008Publication date: July 1, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Noel Boulos
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Publication number: 20100105862Abstract: 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.Type: ApplicationFiled: March 6, 2008Publication date: April 29, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau
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Publication number: 20100105964Abstract: 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.Type: ApplicationFiled: March 13, 2008Publication date: April 29, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Maurizio Paganin
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Publication number: 20100032617Abstract: Process for manufacturing epichlorohydrin comprising the following steps: a) in a liquid reaction medium, a mixture of 1,3-dichloro-2-propanol and 2,3-dichloro-1-propanol, in which the 1,3-dichloro-2-propanol content is at least 10 wt %, is reacted with at least one basic compound in order to form epichlorohydrin and a salt; and b) at least one part of the liquid reaction medium from step a) is subjected to a settling operation in which at least a first fraction containing most of the epichlorohydrin which was contained in the part of the reaction medium from step a) before the settling operation and a second fraction containing most of the salt which was contained in the part of the reaction medium from step a) before the settling operation are separated.Type: ApplicationFiled: February 15, 2004Publication date: February 11, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Patrick Gilbeau, Philippe Krafft
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Publication number: 20090275726Abstract: Process for producing epichlorohydrin comprising subjecting to a dehydrochlorination operation, dichloropropanol produced from glycerol comprising aldehydes.Type: ApplicationFiled: July 14, 2009Publication date: November 5, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe KRAFFT, Patrick Gilbeau, Benoît Gosselin, Sara Claessens
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Publication number: 20090270588Abstract: 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.Type: ApplicationFiled: July 14, 2009Publication date: October 29, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe KRAFFT, Patrick Gilbeau, Benoit Gosselin, Sara Claessens
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Publication number: 20090198041Abstract: 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.Type: ApplicationFiled: June 12, 2007Publication date: August 6, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart
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Publication number: 20090131631Abstract: Process for preparing a chlorohydrin, comprising the following steps: (a) 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 so as to give a mixture containing the chlorohydrin and esters of the chlorohydrin (b) at least part of the mixture obtained in step (a) is subjected to one or more treatments in steps subsequent to step (a) (c) polyhydroxylated aliphatic hydrocarbon is added to at least one of the steps subsequent to step (a), so as to react, at a temperature greater than or equal to 20° C., with the esters of the chlorohydrin, so as to form, at least partly, esters of the polyhydroxylated aliphatic hydrocarbon.Type: ApplicationFiled: May 19, 2006Publication date: May 21, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets
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Publication number: 20090099394Abstract: 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 (a) a treatment with chlorine in the presence of a initiator (b) a reaction with hydrogen fluoride (c) a distillation in which the purified hydrofluoroalkane is removed from the top of the distillation column or from the side (d) an extractive distillation (e) an adsorption onto a solid adsorbent (f) a reaction with a compound containing oxygen, and (g) a reaction with a compound containing oxygen and a gas-phase reaction with a reagent capable of reacting with at least some of the organic impurities, with the exception of a reaction with elemental chlorine.Type: ApplicationFiled: December 22, 2008Publication date: April 16, 2009Applicant: SOLVAY S.A.Inventors: Vincent Wilmet, Francine Janssens, Lionel Casaubon Seignour, Philippe Krafft, Alain Lambert, Olivier Buyle
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Patent number: 7468467Abstract: 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 (a) a treatment with chlorine in the presence of a initiator (b) a reaction with hydrogen fluoride (c) a distillation in which the purified hydrofluoroalkane is removed from the top of the distillation column or from the side (d) an extractive distillation (e) an adsorption onto a solid adsorbent (f) a reaction with a compound containing oxygen, and (g) a reaction with a compound containing oxygen and a gas-phase reaction with a reagent capable of reacting with at least some of the organic impurities, with the exception of a reaction with elemental chlorine.Type: GrantFiled: January 3, 2007Date of Patent: December 23, 2008Assignee: Solvay S.A.Inventors: Vincent Wilmet, Francine Janssens, Lionel Casaubon Seignour, Philippe Krafft, Alain Lambert, Olivier Buyle
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Publication number: 20080281132Abstract: 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.Type: ApplicationFiled: November 8, 2006Publication date: November 13, 2008Applicant: Solvay Societe AnonymeInventors: Philippe Krafft, Christian Franck, Ivan de Andolenko, Roger Veyrac
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Publication number: 20080214848Abstract: 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.Type: ApplicationFiled: May 19, 2006Publication date: September 4, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Dominique Balthasart, Valentine Smets, Patrick Gilbeau