Patents by Inventor Dominique Balthasart
Dominique Balthasart 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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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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Patent number: 7732649Abstract: 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.Type: GrantFiled: December 21, 2005Date of Patent: June 8, 2010Assignee: SOLVAY (Societe Anonyme)Inventors: Michel Strebelle, Dominique Balthasart
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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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Patent number: 7695595Abstract: Process for the production of a hydrofluoroalkane, according to which hydrofluoroalkane comprising organic impurities is subjected to at least two distillations.Type: GrantFiled: April 25, 2006Date of Patent: April 13, 2010Assignee: Solvay S.A.Inventors: Dominique Balthasart, Charles-Marie Anciaux, Yves Mahaut, Roland Klug
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Patent number: 7667084Abstract: 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 iType: GrantFiled: December 21, 2005Date of Patent: February 23, 2010Assignee: SOLVAY(Societe Anonyme)Inventors: Michel Strebelle, Dominique Balthasart
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Publication number: 20090326179Abstract: 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.Type: ApplicationFiled: June 21, 2007Publication date: December 31, 2009Applicant: SOLVAY S.A.Inventors: Dominique Balthasart, Michel Lempereur, Michel Strebelle
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Publication number: 20090270568Abstract: 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.Type: ApplicationFiled: June 22, 2007Publication date: October 29, 2009Applicant: SOLVAY (Société Anonyme)Inventors: Michel Strebelle, Dominique Balthasart
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Publication number: 20090270579Abstract: 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.Type: ApplicationFiled: June 22, 2007Publication date: October 29, 2009Applicant: SOLVAY (Société Anonyme)Inventors: Dominique Balthasart, Michel Strebelle
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Publication number: 20090203854Abstract: 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 R1 in which most of the ethylene is converted into DCE, and into a fraction F1 which is subjected to a desorption D1 to be separated into an ethylene fraction depleted of the compounds that are lighter than ethylene conveyed to a chlorination reactor R2, the stream of products derived from this reactor being added to the dry gas mixture, and into a fraction F2. Fraction F2 is then subjected to a desorption D2 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 which is recycled to the absorption.Type: ApplicationFiled: June 22, 2007Publication date: August 13, 2009Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Michel Strebelle, Dominique Balthasart
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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: 20090090885Abstract: 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.Type: ApplicationFiled: December 1, 2008Publication date: April 9, 2009Applicant: SOLVAY S.A.Inventors: Thomas Mueller, Dominique Balthasart, Bernd Kutzner
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Patent number: 7459591Abstract: 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.Type: GrantFiled: July 24, 2007Date of Patent: December 2, 2008Assignee: Solvay S.A.Inventors: Thomas Müller, Dominique Balthasart, Bernd Kutzner
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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
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Publication number: 20080207966Abstract: 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.Type: ApplicationFiled: December 21, 2005Publication date: August 28, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Dominique Balthasart, Michel Strebelle, Michel Lempereur
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Publication number: 20080207965Abstract: 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 characterizedType: ApplicationFiled: December 21, 2005Publication date: August 28, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Michel Strebelle, Dominique Balthasart
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Publication number: 20080207967Abstract: 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.Type: ApplicationFiled: December 21, 2005Publication date: August 28, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Michel Strebelle, Dominique Balthasart
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Publication number: 20080207968Abstract: 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.Type: ApplicationFiled: December 21, 2005Publication date: August 28, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Michel Strebelle, Dominique Balthasart
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Publication number: 20080200701Abstract: 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.Type: ApplicationFiled: May 19, 2006Publication date: August 21, 2008Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets
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Publication number: 20080194849Abstract: 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: ApplicationFiled: May 19, 2006Publication date: August 14, 2008Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Valentine Smets