Patents by Inventor Olivier Buisine
Olivier Buisine 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: 20240132352Abstract: The present invention relates to bis(fluorosulfonyl)imide salts, and their preparation methods. More specifically, the invention provides a new salt of bis(fluorosulfonyl)imide containing from 0.01 ppm to 10000 ppm of a halogenated alcohol. The invention further relates to a method for producing said salt of bis(fluorosulfonyl)imide, said method comprising a step of crystallizing a raw salt of bis(fluorosulfonyl)imide within a crystallization solvent comprising at least a halogenated alcohol. The use of said salt of bis(fluorosulfonyl)imide is also disclosed.Type: ApplicationFiled: October 12, 2020Publication date: April 25, 2024Applicant: Solvay SAInventors: Olivier Buisine, Yeon-Joon Kim, Byeong-Ki Kim
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Patent number: 11613465Abstract: The invention relates to a method for producing a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II), comprising the reaction, in the presence of water, of at least one salt providing a fluoride anion and at least one halgoenosulfoxide compound of formula X—SO—R? (I0) from a halogenosulfonyl compound of formula X—SO2—R? (II0), in which X is a halogen atom other than fluorine and R and R? are each a group linked by a covalent bond to the sulphur atom, said bond linking the sulphur atom with a nitrogen atom. The invention also relates to a method for producing salts of a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II) which are advantageously used as electrolyte salts, as precursors of antistatic agents or as surfactant precursors.Type: GrantFiled: December 3, 2014Date of Patent: March 28, 2023Assignee: RHODIA OPERATIONSInventors: Olivier Buisine, François Metz
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Publication number: 20220250910Abstract: The invention relates to a method for producing an alkali salt of bis(fluorosulfonyl)imide, comprising the step of reacting, within a reaction medium, an ammonium salt of bis(fluorosulfonyl)imide with an alkali agent, to produce alkali salt of bis(fluorosulfonyl)imide and ammonia; and simultaneously contacting the reaction medium with an inert gas stream to strip out ammonia.Type: ApplicationFiled: June 15, 2020Publication date: August 11, 2022Inventors: Simon GUELEN, Edouard REBMANN, Olivier BUISINE
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Patent number: 10644351Abstract: The invention relates to a polymer electrolyte comprising a silicone polymer bearing pending polyoxyalkylene ether groups, at least one fluorinated salt and a solvent, said solvent representing between 10% and 60% by weight, relative to the total weight of the silicone polymer bearing pending polyoxyalkylene ether groups, of the fluorinated salt and of the solvent, and said solvent comprising at least one polyether solvent. In addition, the invention also relates to a process for producing said polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochemical device.Type: GrantFiled: April 20, 2016Date of Patent: May 5, 2020Assignee: RHODIA OPERATIONSInventor: Olivier Buisine
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Patent number: 10122048Abstract: The invention relates to a method for preparing bis(fluorosulfonyl)imide acid, comprising: the reaction of sulphamic acid or one of the salts thereof with a halogenosulfuric acid and at least one fluorinating agent selected from SOF2, F—SO2—F and SF4, and the subsequent recovery of bis(fluorosulfonyl)imide acid. The invention also relates to a method for producing salts of bis(fluorosulfonyl)imide from the bis(fluorosulfonyl)imide acid thus produced.Type: GrantFiled: December 3, 2014Date of Patent: November 6, 2018Assignee: RHODIA OPERATIONSInventor: Olivier Buisine
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Publication number: 20180145370Abstract: The invention relates to a solid polymer electrolyte comprising a eutectic mixture comprising a fluorinated salt and an organic compound forming a eutectic mixture with said fluorinated salt. This solid polymer electrolyte can be obtained by polymerization and/or crosslinking of a composition comprising a eutectic mixture comprising a fluorinated salt and an organic compound forming a eutectic mixture with said fluorinated salt and a polymerizable and/or crosslinkable compound. In addition, the invention also relates to a process for producing said solid polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochromic device.Type: ApplicationFiled: April 20, 2016Publication date: May 24, 2018Inventors: Olivier BUISINE, Claude MERCIER
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Publication number: 20180138548Abstract: The invention relates to a polymer electrolyte comprising a silicone polymer bearing pending polyoxyalkylene ether groups, at least one fluorinated salt and a solvent, said solvent representing between 10% and 60% by weight, relative to the total weight of the silicone polymer bearing pending polyoxyalkylene ether groups, of the fluorinated salt and of the solvent, and said solvent comprising at least one polyether solvent. In addition, the invention also relates to a process for producing said polymer electrolyte and to the uses thereof as an electrolyte in an electrochemical device, in particular as an electrolyte in a battery or in an electronic display device, in particular an electrochemical device.Type: ApplicationFiled: April 20, 2016Publication date: May 17, 2018Inventor: Olivier BUISINE
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Publication number: 20160308247Abstract: The invention relates to a method for preparing bis(fluorosulfonyl)imide acid, comprising: the reaction of sulphamic acid or one of the salts thereof with a halogenosulfuric acid and at least one fluorinating agent selected from SOF2, F—SO2—F and SF4, and the subsequent recovery of bis(fluorosulfonyl)imide acid. The invention also relates to a method for producing salts of bis(fluorosulfonyl)imide from the bis(fluorosulfonyl)imide acid thus produced.Type: ApplicationFiled: December 3, 2014Publication date: October 20, 2016Inventor: Olivier BUISINE
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METHOD FOR PRODUCING A FLUORINE- AND SULPHUR-BEARING COMPOUND AND SALTS THEREOF IN AN AQUEOUS MEDIUM
Publication number: 20160304347Abstract: The invention relates to a method for producing a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II), comprising the reaction, in the presence of water, of at least one salt providing a fluoride anion and at least one halgoenosulfoxide compound of formula X—SO—R? (I0) from a halogenosulfonyl compound of formula X—SO2—R? (II0), in which X is a halogen atom other than fluorine and R and R? are each a group linked by a covalent bond to the sulphur atom, said bond linking the sulphur atom with a nitrogen atom. The invention also relates to a method for producing salts of a fluorine- and sulphur-bearing compound of formula F—SO—R (I) or F—SO2—R (II) which are advantageously used as electrolyte salts, as precursors of antistatic agents or as surfactant precursors.Type: ApplicationFiled: December 3, 2014Publication date: October 20, 2016Inventors: Olivier BUISINE, François METZ -
Patent number: 9458119Abstract: A process for the production of a compound of formula (III) which comprises a step of reacting a compound of formula (I) with an excess amount of a compound of formula (II) in absence of aromatic solvent, wherein n is 0, 1, 2, 3 or 4; X is NH, O or S; each R1 group may be the same or different, and is independently selected from the group consisting of hydrogen, hydroxyl, alkoxy, alkyl, carbonyl, carboxyl, carboxylic acid ester, amido, cyano, halogenated aliphatic, nitro, and amino; and R2 group is selected from the group consisting of hydroxyl, Cl, F, Br, amino, and alkoxy.Type: GrantFiled: February 20, 2012Date of Patent: October 4, 2016Assignee: RHODIA OPERATIONSInventors: Tao Zhang, Claude Mercier, Olivier Buisine
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Patent number: 9394225Abstract: The present invention relates to a method for processing an aqueous solution containing a salt of an organic compound including at least one acid function and at least one fluorine atom, or fluoric acid, by reaction between said salt and at least one Bronsted acid and an alcohol in the presence of an organic solvent solubilizing the resulting product, wherein said organic solvent consists of at least one dual-phase liquid/liquid reaction medium with the aqueous solution.Type: GrantFiled: September 17, 2013Date of Patent: July 19, 2016Assignee: RHODIA OPERATIONSInventor: Olivier Buisine
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Patent number: 9394247Abstract: The present invention relates to a method for preparing an aqueous sulfonimide compound of the formula (Rf1—SO2)(Rf2—SO2)NH, wherein Rf1 and Rf2 are independently selected from the group comprising: a fluorine atom and groups having 1 to 10 carbon atoms selected from the perfluoroalkyl, fluoroalkyl, fluoroalkenyl and fluoroallyl groups, from a mixture M1 including (Rf1—SO2)(Rf2—SO2)NH, Rf1SO2H and/or Rf2SO2H, Rf1SO2NH2 and/or Rf2SO2NH2, characterized in that said method includes an oxidation step of said mixture M1 using an oxidizing agent in order to obtain a mixture M2 including (Rf1—SO2)(Rf2—SO2)NH, Rf1SO3H and/or Rf2SO3H and Rf1SO2NH2and/or Rf2SO2NH2.Type: GrantFiled: July 11, 2013Date of Patent: July 19, 2016Assignee: RHODIA OPERATIONSInventors: Bernard Besson, Francois Metz, Olivier Buisine
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Patent number: 9278935Abstract: A method for preparing a fluorinated organic compound (II) from an organic compound (I) comprising at least one nucleofugal group Nu, and also a preparation of different specific organic compounds, in particular a fluoro-methylpyrazole compound. The method comprises: a reaction, in the presence of water, of the organic compound (I) and at least one salt providing at least one fluoride anion; and a replacement of at least one nucleofugal group Nu of the compound (I) with a fluorine atom, in order to obtain the fluorinated organic compound (II).Type: GrantFiled: May 29, 2012Date of Patent: March 8, 2016Assignee: RHODIA OPERATIONSInventors: Olivier Buisine, Michael Dejoux
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Patent number: 9120740Abstract: A method for preparing difluoroacetic acid is described. The method can include: reacting a difluoroacetic acid ester with an aliphatic carboxylic acid which, after transesterification, results in the formation of difluoroacetic acid and the corresponding carboxylic acid ester, the carboxylic acid being selected such that the ester of the carboxylic acid has a lower boiling point than that of difluoroacetic acid; and removing the ester of the carboxylic acid by distillation as the ester forms, thus enabling the difluoroacetic acid to be recovered.Type: GrantFiled: June 28, 2010Date of Patent: September 1, 2015Assignee: RHODIA OPERATIONSInventors: Olivier Buisine, Alessandro Chiovato
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Publication number: 20150232408Abstract: The present invention relates to a method for processing an aqueous solution containing a salt of an organic compound including at least one acid function and at least one fluorine atom, or fluoric acid, by reaction between said salt and at least one Bronsted acid and an alcohol in the presence of an organic solvent solubilizing the resulting product, wherein said organic solvent consists of at least one dual-phase liquid/liquid reaction medium with the aqueous solution.Type: ApplicationFiled: September 17, 2013Publication date: August 20, 2015Inventor: Olivier Buisine
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Publication number: 20150203449Abstract: The present invention relates to a method for preparing an aqueous sulfonimide compound of the formula (Rf1—SO2) (Rf2—SO2)NH, wherein Rf1et Rf2 are independently selected from the group comprising: a fluorine atom and groups having 1 to 10 carbon atoms selected from the perfluoroalkyl, fluoroalkyl, fluoroalkenyl and fluoroallyl groups, from a mixture M1 including (Rf1—SO2)(Rf2—SO2)NH, Rf1SO2H and/or Rf2SO2H, Rf1SO2NH2 and/or Rf2SO2NH2, characterized in that said method includes an oxidation step of said mixture M1 using an oxidizing agent in order to obtain a mixture M2 including (Rf1—SO2)(Rf2—SO2)NH, Rf1SO3H and/or Rf2SO3H, and Rf1SO2NH2 and/or Rf2SO2NH2.Type: ApplicationFiled: July 11, 2013Publication date: July 23, 2015Inventors: Bernard Besson, Francois Metz, Olivier Buisine
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Patent number: 9067869Abstract: The present invention relates to a method for preparing difluoracetonitrile and the derivatives thereof. The method for preparing difluoroacetonitrile according to the invention is characterized in that it includes reacting halogenodifluoromethane and a source of cyanide anions in an alkaline medium. The invention also relates to the use of difluoroacetonitrile as an intermediate in the manufacture of difluoroacetic acid and the salts, esters, or amide thereof.Type: GrantFiled: March 8, 2012Date of Patent: June 30, 2015Assignee: RHODIA OPERATIONSInventor: Olivier Buisine
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Publication number: 20150005505Abstract: A process for the production of a compound of formula (III) which comprises a step of reacting a compound of formula (I) with an excess amount of a compound of formula (II) in absence of aromatic solvent, wherein n is 0, 1, 2, 3 or 4; X is NH, O or S; each R1 group may be the same or different, and is independently selected from the group consisting of hydrogen, hydroxyl, alkoxy, alkyl, carbonyl, carboxyl, carboxylic acid ester, amido, cyano, halogenated aliphatic, nitro, and amino; and R2 group is selected from the group consisting of hydroxyl, Cl, F, Br, amino, and alkoxy.Type: ApplicationFiled: February 20, 2012Publication date: January 1, 2015Applicant: RHODIA OPERATIONSInventors: Tao Zhang, Claude Mercier, Olivier Buisine
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Publication number: 20140148603Abstract: A method for preparing a fluorinated organic compound (II) from an organic compound (I) comprising at least one nucleofugal group Nu, and also a preparation of different specific organic compounds, in particular a fluoro-methylpyrazole compound. The method comprises: a reaction, in the presence of water, of the organic compound (I) and at least one salt providing at least one fluoride anion; and a replacement of at least one nucleofugal group Nu of the compound (I) with a fluorine atom, in order to obtain the fluorinated organic compound (II).Type: ApplicationFiled: May 29, 2012Publication date: May 29, 2014Applicant: RHODIA OPERATIONSInventors: Olivier Buisine, Michael Dejoux
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Patent number: 8633334Abstract: The present invention relates to a method for preparing a highly pure trifluoromethanesulphinic acid. The method of the invention for preparing a highly pure trifluoromethanesulphinic acid, starting from an aqueous mixture comprising a trifluoromethanesulphinic acid salt, a trifluoroacetic acid salt and saline impurities resulting from the method for preparing same, is characterized in that said mixture is subjected to the following operations: —acidification such that the trifluoroacetic acid salt and the triflinic acid salt are released in an acid form, —separation of the trifluoroacetic acid and trifluoromethanesulphinic acid by distillation enabling the trifluoroacetic acid to be recovered at the top of the distillation and the trifluoromethanesulphinic acid to be recovered at the bottom of the distillation, —separation by distillation of the trifluoromethanesulphinic acid present in the distillation residue previously obtained.Type: GrantFiled: November 25, 2008Date of Patent: January 21, 2014Assignee: Rhodia OperationsInventors: Vincent Schanen, Olivier Buisine, François Metz, Bernard Besson