Patents by Inventor Marc Lemaire

Marc Lemaire 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).

  • Patent number: 12258312
    Abstract: The present application relates to a compound of the following formula (I) in which —R1, R2, R3 and R4 represent independently of each other H or a (C1-C30) alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and R4 being equal to 6+4x, x being a whole number of between 1 and 6, provided that: at most two of the groups R1, R2, R3 and R4 are H, R5 represents H, OR, or NR?R? R, R? and R?, identical or different, represent H, a (C1-C10) alkyl group, at least one of groups R1, R2, R3 or R4 comprises or is a tertiobutyl group. (I) the method for preparing same and the uses thereof as a plasticising lubricant, surfactant or in a cosmetic composition.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: March 25, 2025
    Assignee: Global Bioenergies
    Inventors: Serge Ratton, Marc Lemaire, Luc Mathis, Estelle Metay
  • Publication number: 20240343680
    Abstract: The present invention relates to a process for preparing aromatic acyl derivatives of formula (I) using methanesulfonic acid. The invention further relates to methods for preparing biological active ingredients. such as paracetamol.
    Type: Application
    Filed: October 27, 2022
    Publication date: October 17, 2024
    Applicants: Centre National de la Recherche Scientifique, Universite Claude Bernard Lyon 1, Institut National des Sciences Appliquees de Lyon
    Inventors: Estelle Metay, Marc Lemaire, Marie-Christine Duclos, Marc Daumas, Olivier Pardigon
  • Publication number: 20220340512
    Abstract: The present application relates to a compound of the following formula (I) in which —R1, R2, R3 and R4 represent independently of each other H or a (C1-C30) alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and R4 being equal to 6+4x, x being a whole number of between 1 and 6, provided that: at most two of the groups R1, R2, R3 and R4 are H, R5 represents H, OR, or NR?R? R, R? and R?, identical or different, represent H, a (C1-C10) alkyl group, at least one of groups R1, R2, R3 or R4 comprises or is a tertiobutyl group. (I) the method for preparing same and the uses thereof as a plasticising lubricant, surfactant or in a cosmetic composition.
    Type: Application
    Filed: August 17, 2020
    Publication date: October 27, 2022
    Inventors: Serge Ratton, Marc Lemaire, Luc Mathis, Estelle Metay
  • Patent number: 10874103
    Abstract: A bactericidal or bacteriostatic composition comprising an acetal or a hexitan ether preferentially of a long-chain alkyl sorbitan, arlitan or mannitan, its use in the treatment or prevention of Gram-positive bacterial infections, its use as a hygiene or dermatological product for external use and a method for disinfecting surfaces.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: December 29, 2020
    Assignee: TEREOS STARCH & SWEETENERS BELGIUM
    Inventors: Charlotte Gozlan, Dorine Belmessieri, Marie-Christine Duclos, Nicolas Duguet, Marc Lemaire, Gérard Lina, Oana Dumitrescu, Andreas Redl
  • Patent number: 10653664
    Abstract: The invention relates to an antimicrobial composition of monoanhydro-hexitol monoalkyl ether isomers bearing an alkyl ether radical (OR) at C-3, C-5 or C-6 of the monoanhydro-hexitol, in which the alkyl group (R) is a linear or branched, cyclic or noncyclic hydrocarbon-based group comprising between 4 to 18 carbon atoms. The invention also relates to a method for disinfecting a surface and/or equipment contaminated by bacteria, said method comprising applying to said surface or equipment to be disinfected, a composition according to the invention.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: May 19, 2020
    Assignee: TEREOS STARCH & SWEETENERS
    Inventors: Charlotte Gozlan, Nicolas Duguet, Marc Lemaire, Andreas Redl
  • Patent number: 10537103
    Abstract: A bactericidal or bacteriostatic composition comprising an isomer mixture of monosaccharide alkyl monoethers or monoacetals, its use in the treatment or prevention of Gram-positive bacterial infections, its use as a hygiene or dermatological product for external use and a method for disinfecting surfaces.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 21, 2020
    Assignees: TEREOS STARCH & SWEETENERS BELGIUM, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Charlotte Gozlan, Dorine Belmessieri, Marie-Christine Duclos, Nicolas Duguet, Marc Lemaire, Gérard Lina, Oana Dumitrescu, Andreas Redl
  • Patent number: 10442830
    Abstract: A process for obtaining a mixture of C4-C8 and C9-C18 alkyl monoether of saccharide, comprising: a) a first step of acetalization or trans-acetalization of a saccharide or of a mixture of saccharides with a C4-C8 aliphatic aldehyde or the acetal thereof, b) a second consecutive or simultaneous step of acetalization or trans-acetalization of the product obtained in a) of the saccharide or mixture of saccharides with a C9-C18 aliphatic aldehyde or the acetal thereof, c) a step of catalytic hydrogenolysis of the saccharide acetals obtained, and d) a step of recovery of a mixture of C4-C8 and C9-C18 alkyl saccharide monoethers. The invention further relates to a mixture of C4-C8 and C9-C18 alkyl saccharide monoethers and the use thereof as a surfactant.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 15, 2019
    Assignees: TEREOS STARCH & SWEETENERS BELGIUM, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Charlotte Gozlan, Marie-christine Duclos, Nicolas Duguet, Marc Lemaire, Andreas Redl
  • Patent number: 10221148
    Abstract: A composition of monoanhydro-hexitol monoalkyl ether isomers bearing an alkyl ether radical (OR) at C-3, C-5 or C-6 of the monoanhydro-hexitol, in which the alkyl group (R) is a linear or branched, cyclic or noncyclic hydrocarbon-based group comprising between 4 to 18 carbon atoms, the process for obtaining such a composition and the use thereof as a nonionic surfactant, emulsifier, lubricant, antimicrobial agent or dispersant.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: March 5, 2019
    Assignees: SYRAL BELGIUM, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Charlotte Gozlan, Nicolas Duguet, Marc Lemaire, Andreas Redl
  • Patent number: 10191280
    Abstract: A glazing for information display includes an assembly of two transparent inorganic or plastic sheets, connected together by a thermoplastic or adhesive interlayer or by multilayer sheets incorporating the interlayer, wherein a luminophore material is incorporated to enable the display. One of the luminophores includes a benzene ring substituted at least by: a first ester —COOR group, wherein R is a linear or branched carbon-based group including a main carbon-based chain of at least six consecutive carbon atoms, the R group including, if the chain is linear, more than 10 carbon atoms and, if the chain is branched, at least 7 carbon atoms, optionally a second —COOR? group, wherein R? is another hydrocarbon-based group or hydrogen, the second group optionally being in para position on the benzene ring with respect to the first ester group, two hydroxyl —OH groups that are optionally in para position on the benzene ring.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: January 29, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Frédéric Clabau, Michael Labrot, Marc Lemaire, Marie-Christine Duclos, Estelle Metay
  • Patent number: 10075683
    Abstract: A glazing for information display includes an assembly of at least two transparent sheets of inorganic glass or of a plastic, connected together by a thermoplastic or adhesive interlayer or by multilayer sheets incorporating such an interlayer, at least one luminophore material being incorporated into the glazing to enable the display, wherein one of the luminophores includes a benzene ring substituted at least by: two hydroxyl OH groups, a carbon-based R group, the R group including an unsaturated heterocycle, a carbon-based R? group of formula —COOR?, wherein R? is a hydrocarbon-based group or hydrogen.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: September 11, 2018
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Frédéric Clabau, Michael Labrot, Marc Lemaire, Marie-Christine Duclos, Estelle Metay
  • Patent number: 9822056
    Abstract: A process for preparing a carboxylic acid, including a step of bringing at least one vicinal diol or at least one vicinal polyol into contact with an atmosphere including oxygen, and a catalyst, and in the absence of additional solvent.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: November 21, 2017
    Assignees: Avril, Oleon SA, Centre National de la Recherche Scientifique (CNRS), Université Claude Bernard Lyon 1
    Inventors: Marc Lemaire, Estelle Metay, Marc Sutter, Yann Raoul, Eric Da Silva, Sophie Sambou, Philippe Blach
  • Patent number: 9546111
    Abstract: The invention relates mainly to a polymer comprising a hydrocarbon-based main chain bearing carboxylic groups and polyalkoxylated chains and up to 4% by weight of anti-oxidant groups, relative to the weight of the final polymer, grafted to the main chain. It also relates to a method for preparing such a polymer and to an admixture which is of use as a plasticizer of suspensions of mineral particles comprising same. Finally, it is related to the use of such a polymer for fluidifying suspensions of mineral particles and reducing the water demand of hydraulic compositions.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: January 17, 2017
    Assignee: CHRYSO
    Inventors: Alexandre Desseroir, Philippe Maitrasse, Marc Lemaire, Florence Popowycz, Pierre Labourt-Ibarre
  • Patent number: 9499559
    Abstract: Long-chain alkyl cyclic acetals made from sugars are obtainable by a method that comprises the steps consisting of: dehydrating a hexitol in a monoanhydrohexitol substrate; reacting the monoanhydrohexitol substrate obtained with an alkyl aldehyde reagent containing 5 to 18 carbon atoms, by means of an acetalization reaction with a substrate/reagent ratio of between 5:1 and 1:1, or with a derivative of an alkyl aldehyde reagent containing 5 to 18 carbon atoms, by means of a transacetalization reaction with a substrate/reagent ratio of between 1:1 and 1:3, in the presence of acid catalyst and in an environment that is free of solvent or that consists of non-aqueous polar solvent; collecting the long-chain alkyl acetal of hexitan from the mixture obtained.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: November 22, 2016
    Assignees: SYRAL BELGIUM NV, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
    Inventors: Charlotte Gozlan, Nicolas Duguet, Marc Lemaire, Yves Queneau, Andreas Redl
  • Publication number: 20160326084
    Abstract: A process for preparing a carboxylic acid, including a step of bringing at least one vicinal diol or at least one vicinal polyol into contact with an atmosphere including oxygen, and a catalyst, and in the absence of additional solvent.
    Type: Application
    Filed: December 24, 2014
    Publication date: November 10, 2016
    Inventors: Marc Lemaire, Estelle Metay, Marc Sutter, Yann Raoul, Eric Da Silva, Sophie Sambou, Philippe Blach
  • Patent number: 9359280
    Abstract: A process for preparing a carboxylic acid, by oxidative cleavage of at least one vicinal diol, or an epoxide, wherein the reaction is carried out in the presence of a catalyst and of an oxidizing agent and in the absence of solvent.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 7, 2016
    Assignees: SOCIETE INTEROLEAGINEUSE D'ASSISTANCE ET DE DEVELOPPEMENT, UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, OLEON
    Inventors: Marc Lemaire, Estelle Metay, Marc Sutter, Julien Debray, Yann Raoul, Nicolas Duguet
  • Patent number: 9242956
    Abstract: The invention relates to a method for producing a compound of fonnula (I), comprising the reaction, in the presence of a catalytic system comprising a single rare earth oxide or a mixture of rare earth oxides, of an alkyl carbonate or an alkylene carbonate with a polyol of fonnula (II), wherein p is a whole number between 2 and 10.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: January 26, 2016
    Assignees: Rhodia Operations, Universite Claude Bernard Lyon 1, Centre National de la Recherche Scientifique-(CNRS), Fonds De Developpement Des Filieres Des Oleagineux Et Proteagineux Fidop
    Inventors: Gerard Mignani, Julien Debray, Eric Da Silva, Marc Lemaire, Yann Raoul
  • Patent number: 9238638
    Abstract: Disclosed is a method for preparing, by transcarbonation, a compound of formula (I), including reacting a polyol of formula (II) with an alkyl carbonate or an alkylene carbonate in the presence of a catalytic system consisting of a catalytic entity selected from among the rare earth oxides or the mixtures thereof, and optionally an inert substrate.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: January 19, 2016
    Assignees: RHODIA OPERATIONS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE CLAUDE BERNARD LYON 1, FIDOP (FONDS DE DEVELOPPEMENT DES FILIERES DES OLEAGINEUX ET DES PROTEAGINEUX)
    Inventors: Gerard Mignani, Marc Lemaire, Eric Da Silva, Wissam Dayoub, Yann Raoul
  • Publication number: 20150210623
    Abstract: A process for preparing a carboxylic acid, by oxidative cleavage of at least one vicinal diol, or an epoxide, wherein the reaction is carried out in the presence of a catalyst and of an oxidizing agent and in the absence of solvent.
    Type: Application
    Filed: July 30, 2013
    Publication date: July 30, 2015
    Inventors: Marc Lemaire, Estelle Metay, Marc Sutter, Julien Debray, Yann Raoul, Nicolas Duguet
  • Patent number: 9051629
    Abstract: A process which allows separation of americium present in an acid aqueous phase or in an organic phase from the other metal elements also found in this phase, by complexation of the americium with a water-soluble ethylenediamine derivative; and a process for selective recovery of americium from an acid aqueous phase containing, in addition to americium, other metal elements, which comprises the application of this separation process.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: June 9, 2015
    Assignees: Commissariat a l'energie atomique et aux energies alternatives, AREVA NC
    Inventors: Xavier Heres, Fabien Burdet, Julien Borrini, Marie-Therese Duchesne, Marinella Mazzanti, Gilles Bernier, Stephane Pellet-Rostaing, Alain Favre-Reguillon, Marc Lemaire
  • Publication number: 20150152079
    Abstract: The invention relates to a method for producing a compound of fonnula (I), comprising the reaction, in the presence of a catalytic system comprising a single rare earth oxide or a mixture of rare earth oxides, of an alkyl carbonate or an alkylene carbonate with a polyol of fonnula (II), wherein p is a whole number between 2 and 10.
    Type: Application
    Filed: July 10, 2013
    Publication date: June 4, 2015
    Inventors: Gerard Mignani, Julien Debray, Eric Da Silva, Marc Lemaire, Yann Raoul