Patents by Inventor Bernard Besson
Bernard Besson 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: 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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Publication number: 20150371306Abstract: A server system is connected to a number of remote displays for messages for broadcasting by a communication network. The audiovisual messages received from the server system are made perceptible for customers. The customers can send coded instruction signals to a first access device, located near a display, by portable customer badges, which are transmitted to the server system which then establishes a back-up communication with the customer, for example, through a portable telephone. The customer can thus simply establish communication and, when the server system has information specifically concerning the above, the information need not be transmitted over the network.Type: ApplicationFiled: August 31, 2015Publication date: December 24, 2015Applicants: S.C.I. Germial GP, S. C. I. Holding KL, S.A. Neyrial Haute-Technologie, S.A. M. P. PoletteInventor: Bernard Besson
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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: 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
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Patent number: 8471059Abstract: The present invention relates to a method for preparing a salt of trifluoromethanesulphinic acid termed “triflinic acid”. More specifically, the invention relates to a method for preparing a highly pure triflinic acid salt.Type: GrantFiled: November 25, 2008Date of Patent: June 25, 2013Assignee: Rhodia OperationsInventors: Vincent Schanen, Olivier Buisine, François Metz, Bernard Besson
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Patent number: 8404883Abstract: Oxysulfide and fluorinated organic compounds, for example, perfluoroalkanesulfinic and sulfonic acids, and preferably trifluoromethanesulfinic and trifluoromethanesulfonic acids in salt form, are prepared by reacting, in the presence of an aprotic polar organic solvent: (i) a fluorocarboxylic acid having the formula Ea-CF2—COOH (I), wherein Ea is an atom or an electroattracting group at least partially forming a salt with an organic or inorganic cation; with (ii) a sulfur oxide, preferably sulfur dioxide, and further wherein the ratio of the number of moles of sulfur oxide to the number of moles of fluorocarboxylic acid is less than 1, preferably less than 0.99.Type: GrantFiled: April 18, 2007Date of Patent: March 26, 2013Assignee: Rhodia OperationsInventor: Bernard Besson
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Publication number: 20120197039Abstract: 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: ApplicationFiled: November 25, 2008Publication date: August 2, 2012Applicant: Rhodia OperationsInventors: Vincent Schanen, Olivier Buisine, François Metz, Bernard Besson
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Patent number: 8222450Abstract: Sulfonic acid anhydrides, and more particularly triflic anhydride, are prepared by reacting a sulfonic acid or a mixture of two sulfonic acids with a reactant exhibiting acid pseudohalide tautomerism and containing at least one carbon atom which is involved in the tautomerism bearing two halogen atom substituents.Type: GrantFiled: July 25, 2007Date of Patent: July 17, 2012Assignee: AubervilliersInventor: Bernard Besson
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Publication number: 20110034724Abstract: The present invention relates to a method for preparing a salt of trifluoromethanesulphinic acid termed “triflinic acid”. More specifically, the invention relates to a method for preparing a highly pure triflinic acid salt.Type: ApplicationFiled: November 25, 2008Publication date: February 10, 2011Applicant: Rhodia OperationsInventors: Vincent Schanen, Olivier Buisine, François Metz, Bernard Besson
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Patent number: 7781614Abstract: The invention relates to a method of treating an impure organic composition of ammonium imide, one of the substituents of which imide ion is a sulfonyl carried by a perhalogenated, advantageously perfluorinated carbon, characterized in that said composition is subjected to a step of liquid-liquid extraction by means of an aqueous phase and containing, as impurity, at least one of the chemical species chosen from halides, sulfonates and sulfinates, in particular those whose sulfur is carried by a perhalogenated carbon.Type: GrantFiled: February 14, 2003Date of Patent: August 24, 2010Assignee: Rhodia ChimieInventor: Bernard Besson
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Publication number: 20100076221Abstract: Sulfonic acid anhydrides, and more particularly triflic anhydride, are prepared by reacting a sulfonic acid or a mixture of two sulfonic acids with a reactant exhibiting acid pseudohalide tautomerism and containing at least one carbon atom which is involved in the tautomerism bearing two halogen atom substituents.Type: ApplicationFiled: July 25, 2007Publication date: March 25, 2010Inventor: Bernard Besson
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Publication number: 20090216036Abstract: Oxysulfide and fluorinated organic compounds, for example, perfluoroalkanesulfinic and sulfonic acids, and preferably trifluoromethanesulfinic and trifluoromethanesulfonic acids in salt form, are prepared by reacting, in the presence of an aprotic polar organic solvent: (i) a fluorocarboxylic acid having the formula Ea-CF2—COOH (I), wherein Ea is an atom or an electroattracting group at least partially forming a salt with an organic or inorganic cation; with (ii) a sulfur oxide, preferably sulfur dioxide, and further wherein the ratio of the number of moles of sulfur oxide to the number of moles of fluorocarboxylic acid is less than 1, preferably less than 0.99.Type: ApplicationFiled: April 18, 2007Publication date: August 27, 2009Inventor: Bernard Besson
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Publication number: 20090017791Abstract: A server system is connected to a number of remote displays for messages for broadcasting by a communication network. The audiovisual messages received from the server system are made perceptible for customers. The customers can send coded instruction signals to a first access device, located near a display, by portable customer badges, which are transmitted to the server system which then establishes a back-up communication with the customer, for example, through a portable telephone. The customer can thus simply establish communication and, when the server system has information specifically concerning the above, the information need not be transmitted over the network.Type: ApplicationFiled: September 25, 2008Publication date: January 15, 2009Inventor: Bernard Besson
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Publication number: 20050246280Abstract: A server system (1) is connected to a number of remote displays (5-7) for messages for broadcasting by a communication network (8). The audiovisual messages (4) received from the server system (1) are made perceptible for the clients (2, 3). The clients can send coded instruction signals (16) to a first access device (5a-7a), located near a display (5-7), by portable client badges (14, 15), which are transmitted to the server system (1) which then establishes a back-up communication (18) with the client (2), for example, through a portable telephone. The client can thus simply establish communication and, when the server system (1) has information specifically concerning the above, the information need not be transmitted over the network.Type: ApplicationFiled: April 2, 2003Publication date: November 3, 2005Inventor: Bernard Besson
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Publication number: 20050222460Abstract: The invention relates to a method of treating an impure organic composition of ammonium imide, one of the substituents of which imide ion is a sulfonyl carried by a perhalogenated, advantageously perfluorinated carbon, characterized in that said composition is subjected to a step of liquid-liquid extraction by means of an aqueous phase and containing, as impurity, at least one of the chemical species chosen from halides, sulfonates and sulfinates, in particular those whose sulfur is carried by a perhalogenated carbon.Type: ApplicationFiled: February 14, 2003Publication date: October 6, 2005Inventor: Bernard Besson
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Publication number: 20020121236Abstract: A hook fitted with a device making it possible to see whether or not it has been subjected to tensile stress is described. The hook is characterised in that it is fitted with a safety ring set in the passage orifice for the line with a certain clearance so as to receive the latter and to support the tensile stress which might be exerted on the hook if the user falls, being maintained in this orifice in a position in which the clearance is essentially located on the side of the tensile stress and is so by means of a gudgeon, having a diameter smaller than the clearance, inserted in a straight end-to-end bore passing through the outwardly turned edges of the safety ring and the body of the hook so that the gudgeon breaks when subjected to tensile stress greater than a predetermined threshold stress.Type: ApplicationFiled: February 7, 2002Publication date: September 5, 2002Inventor: Bernard Besson
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Patent number: 5149858Abstract: Phenolic compounds, notably admixtures of 2,4-dichlorophenol and 2,6-dichlorophenol, are selectively chlorinated at the ortho positions thereof, with gaseous chlorine and in a molten medium, in the presence of a selectivity-enhancing effective amount of an organic cation.Type: GrantFiled: July 18, 1988Date of Patent: September 22, 1992Assignee: Rhone-Poulenc ChimieInventors: Jean-Roger Desmurs, Bernard Besson, Isabelle Jouve
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Patent number: 5026926Abstract: The polychlorophenols, e.g., 2,6-dichlorophenol (a known agrochemical intermediate), are effectively prepared by chlorinating ortho-chlorophenol with gaseous chlorine, optionally in the presence of other chlorophenols, characteristically in the molten state, and in the presence of a catalytically effective amount of a primary, secondary or tertiary amine.Type: GrantFiled: March 7, 1988Date of Patent: June 25, 1991Assignee: Rhone-Poulenc ChimieInventors: Jean-Claude Leblanc, Serge Ratton, Bernard Besson, Jean-Roger Desmurs
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Patent number: 4981619Abstract: A process for preparing alpha-hydroxycarboxylic acids. An organic halide is reacted with carbon monoxide and a hydrogen donor compound, in the presence of a carbonylation catalyst and an inorganic base, at a temperature of at least 90.degree. C.Type: GrantFiled: November 28, 1986Date of Patent: January 1, 1991Assignee: Rhone Poulenc Specialities ChimiquesInventor: Bernard Besson
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Patent number: 4954662Abstract: Ortho-substituted phenolic compounds, e.g., 2,6-dichlorophenol, are selectively chlorinated, e.g., into 2,4,6-trichlorophenol, with gaseous chlorine in either the molten state or in a solvent medium, in the presence of a selectivity-enhancing effective amount of an organic cation.Type: GrantFiled: July 18, 1988Date of Patent: September 4, 1990Assignee: Rhone-Poulenc ChimieInventors: Jean-Roger Desmurs, Bernard Besson, Isabelle Jouve