Patents by Inventor Bernard Monguillon

Bernard Monguillon 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).

  • Publication number: 20200347014
    Abstract: The subject of the present invention is a process for producing a sulfonic acid which is sparingly corrosive, or even non-corrosive, with respect to stainless steels, said process comprising at least the steps of adding at least one nitrite to a sulfonic acid, curing, with stirring, with sparging of the mixture and recovering the low-corrosion sulfonic acid obtained. The invention also relates to the low-corrosion sulfonic acid obtained according to the process of the invention, and also to the use thereof as low-corrosion sulfonic acid.
    Type: Application
    Filed: August 30, 2018
    Publication date: November 5, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON
  • Patent number: 10780433
    Abstract: The invention relates to a composition comprising: at least one alkane-sulphonic acid R—SO3H wherein R represents a saturated, linear or branched, hydrocarbon chain comprising from 1 to 4 carbon atoms, which can or cannot be substituted by at least one halogen atom, at least one aryl-sulphonic acid; and optionally at least one solvent, of which the proportions are as defined in the description. The invention also relates to the use of composition in a fatty acid esterification method.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: September 22, 2020
    Assignee: Arkema France
    Inventors: Jean-Alex Laffitte, Bernard Monguillon, Kuan Huwa Tan
  • Publication number: 20200199764
    Abstract: The present invention relates to a composition of at least one sulfonic acid in combination with an effective amount of at least one nitrosyl compound, acting as inhibitor of corrosion of metals by said at least one sulfonic acid.
    Type: Application
    Filed: August 30, 2018
    Publication date: June 25, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Lionel RENAUD, Bernard MONGUILLON, Jean-Alex LAFFITTE, Denis SIGURET, Pierre MEKARBANE
  • Publication number: 20200181072
    Abstract: The subject of the present invention is a weakly corrosive and weakly coloured sulfonic acid, with an APHA colour index of less than 20, comprising chlorides and nitrites in a chloride/sulfonic acid molar ratio of between 1 ppm and 200 ppm, and a nitrite/sulfonic acid molar ratio of between 200 ppm and 6000 ppm, limits inclusive.
    Type: Application
    Filed: August 30, 2018
    Publication date: June 11, 2020
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON
  • Publication number: 20200010412
    Abstract: Provided is a process for preparing polythiols by preparing a sulfhydration reaction medium, simultaneously carrying out radical sulfhydration reaction of at least one polyene and acid-catalyzed sulfhydration reaction of the polyene and recovering a mixture including at least two polythiols. Also provided is a mixture of polythiols obtained from the process described herein.
    Type: Application
    Filed: February 6, 2018
    Publication date: January 9, 2020
    Applicant: Arkema France
    Inventors: Pascal Saint-Louis-Augustin, Georges Fremy, Bernard Monguillon, Louis Corbel
  • Publication number: 20190374931
    Abstract: The invention relates to a composition comprising; at least one alkane-sulphonic acid R—SO3H wherein R represents a saturated, linear or branched, hydrocarbon chain comprising from 1 to 4 carbon atoms, which can or cannot be substituted by at least one halogen atom; sulphuric acid; and optionally at least one solvent; of which the proportions are defined in the description. The invention also relates to the use of the composition as a fatty acid esterification catalyst.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 12, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON, Vijay SRINIVAS
  • Publication number: 20190366310
    Abstract: The invention relates to the preparation of catalyst precursor using an alkane-sulphonic acid metal salt, use of alkane-sulphonic acid for the preparation of catalyst precursor and the use of such a catalyst precursor in chemical reactions for the production of fine chemicals in the chemical industry, particularly in the refining industry.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 5, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Bernard MONGUILLON, Zsolt MOLNAR
  • Publication number: 20190329229
    Abstract: The invention relates to a composition comprising: at least one alkane-sulphonic acid R—SO3H wherein R represents a saturated, linear or branched, hydrocarbon chain comprising from 1 to 4 carbon atoms, which can or cannot be substituted by at least one halogen atom, at least one aryl-sulphonic acid; and optionally at least one solvent, of which the proportions are as defined in the description. The invention also relates to the use of composition in a fatty acid esterification method.
    Type: Application
    Filed: November 20, 2017
    Publication date: October 31, 2019
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON, Kuan Huwa TAN
  • Publication number: 20190151860
    Abstract: The invention relates to a flotation agent of formula (I): where A is chosen from: (II), (III), or (IV): in which: the group R represents a hydrogen atom or a linear or branched, saturated or unsaturated, C1-C4 alkyl radical; the group R?, which is identical or different from the group R, represents a hydrogen atom or a linear or branched, saturated or unsaturated, C1-C4 alkyl radical; the group R?, which is identical or different from the groups R and R?, represents a hydrogen atom or a linear or branched, saturated or unsaturated, C1-C4 alkyl radical; n is an integer between 1 and 6; m is an integer between 1 and 20; Y1 and Y2, are chosen independently from X1 or a radical C(S)SX2, wherein X1 is a hydrogen atom, an alkali metal or an alkaline-earth metal, and X2 is an alkali metal or an alkaline-earth metal.
    Type: Application
    Filed: September 16, 2016
    Publication date: May 23, 2019
    Inventor: Bernard MONGUILLON
  • Publication number: 20190112439
    Abstract: Provided is a process for obtaining a film or film-forming article. The process includes a) providing a solvent system comprising at least one molecule bearing a sulfoxide function, where the solvent system has a water content of less than 1000 ppm by weight and having a pH of greater than or equal to 6. The process also includes b) preparing a polymer solution, either by dissolving the polymers in the solvent system or by synthesizing the polymers in the solvent system. The process also includes c) removing the solvent system to obtain the film or the film-forming article.
    Type: Application
    Filed: April 3, 2017
    Publication date: April 18, 2019
    Applicant: Arkema France
    Inventors: Paul Guillaume Schmitt, Bernard Monguillon
  • Patent number: 9994544
    Abstract: The present invention concerns a method for preparing 1,3,5-trioxane by trimerization of formaldehyde in the presence of methanesulfonic acid. The invention also concerns the use of at least one catalyst comprising methanesulfonic acid for the trimerization of formaldehyde into 1,3,5-trioxane.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: June 12, 2018
    Assignee: Arkema France
    Inventors: Bernard Monguillon, Jean-Alex Laffitte
  • Publication number: 20180093305
    Abstract: The present invention concerns the use of at least one alkane sulfonic acid of formula R—SO3H, in which R represents a linear or branched saturated hydrocarbon chain comprising 1 to 4 carbon atoms, for cleaning solid deposits containing at least one aconitic acid salt. The invention also concerns a method for cleaning solid deposits containing at least one aconitic acid salt, using at least one alkane sulfonic acid.
    Type: Application
    Filed: April 8, 2016
    Publication date: April 5, 2018
    Applicant: ARKEMA FRANCE
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON
  • Publication number: 20170233366
    Abstract: The present invention concerns a method for preparing 1,3,5-trioxane by trimerization of formaldehyde in the presence of methanesulfonic acid. The invention also concerns the use of at least one catalyst comprising methanesulfonic acid for the trimerization of formaldehyde into 1,3,5-trioxane.
    Type: Application
    Filed: July 17, 2015
    Publication date: August 17, 2017
    Applicant: Arkema France
    Inventors: Bernard MONGUILLON, Jean-Alex LAFFITTE
  • Publication number: 20160251289
    Abstract: The use of alkane sulphonic acid for preparing phenolic alcohol. The invention relates to a use of at least one alkane sulphonic acid for preparing phenolic alcohol by decomposing aryl hydroperoxide, and to a method for preparing phenolic alcohol comprising the following successive steps: bringing aryl hydroperoxide into reaction in the presence of at least one alkane sulphonic acid, neutralising the reaction medium, separating the ketone or the aldehyde, separating phenolic alcohol by distillation.
    Type: Application
    Filed: October 21, 2014
    Publication date: September 1, 2016
    Applicant: Arkema France
    Inventors: Jean-Alex LAFFITTE, Bernard MONGUILLON
  • Publication number: 20160115427
    Abstract: The invention relates to the use of a composition for removing a label or labels from a labelled item, said composition comprising: between 1 and 3 wt. % of at least one organic or mineral base; between 2 and 10 wt. %, preferably between 3 and 8%, more preferably between 4 and 6%, of at least one water-miscible organic solvent; and water, the quantity of which is determined in such a way as to form the remainder of the total composition (100 wt. %). The invention also relates to the method for removing labels using said composition.
    Type: Application
    Filed: June 17, 2014
    Publication date: April 28, 2016
    Applicant: Arkema France
    Inventors: Paul Guillaume SCHMITT, Bernard MONGUILLON
  • Patent number: 9212340
    Abstract: The present disclosure relates to a dimethyl sulfoxide composition suitable for cleaning polymer residue found on the devices used for processing plastic materials, in particular polyurethane.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: December 15, 2015
    Assignee: ARKEMA FRANCE
    Inventors: Mélanie Vauthrin, Bernard Monguillon, Paul Guillaume Schmitt
  • Patent number: 9145362
    Abstract: The invention relates to solvent compositions predominantly comprising at least one oxide of an organic sulfide, more particularly dimethyl sulfoxide, to which is added at least one odour-masking agent comprising at least one compound selected from monoesters, diesters or triesters, alcohols, ketones, aldehydes and terpenes.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: September 29, 2015
    Assignee: ARKEMA FRANCE
    Inventors: Paul-Guillaume Schmitt, Bernard Monguillon, Mélanie Vauthrin
  • Patent number: 9018425
    Abstract: The present invention relates to the use of at least one sulfonic acid for recovering glycerol resulting from a reaction crude from transesterification of glycerides, in particular of triglycerides of vegetable and/or animal origin. The invention also relates to a process for purifying glycerol obtained as a by-product of triglyceride transesterification during the preparation of fatty acids, fatty esters and/or fatty acid salts, and also to a combined process for preparing, on the one hand, fatty acids, fatty esters and/or fatty acid salts and, on the other hand, glycerol, from triglycerides, using at least one sulfonic acid.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: April 28, 2015
    Assignee: Arkema France
    Inventors: Bernard Monguillon, Jean-Alex Laffitte
  • Publication number: 20140256978
    Abstract: The present invention relates to the use of at least one sulfonic acid for recovering glycerol resulting from a reaction crude from transesterification of glycerides, in particular of triglycerides of vegetable and/or animal origin. The invention also relates to a process for purifying glycerol obtained as a by-product of triglyceride transesterification during the preparation of fatty acids, fatty esters and/or fatty acid salts, and also to a combined process for preparing, on the one hand, fatty acids, fatty esters and/or fatty acid salts and, on the other hand, glycerol, from triglycerides, using at least one sulfonic acid.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Applicant: ARKEMA FRANCE
    Inventors: Bernard MONGUILLON, Jean-Alex LAFFITTE
  • Publication number: 20130310297
    Abstract: The present disclosure relates to a dimethyl sulfoxide composition suitable for cleaning polymer residue found on the devices used for processing plastic materials, in particular polyurethane.
    Type: Application
    Filed: October 4, 2011
    Publication date: November 21, 2013
    Applicant: Arkema France
    Inventors: Mélanie Vauthrin, Bernard Monguillon, Paul Guillaume Schmitt