Patents by Inventor Daniel PORTINHA DE ALMEIDA

Daniel PORTINHA DE ALMEIDA 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: 11945965
    Abstract: Silicone material obtained by a reaction between:—at least one organopolysiloxane (A) that has a molar mass of less than 70,000 g/mol, preferably less than 50,000 g/mol, and contains siloxyl units I.1 and I.2; and—at least one organic compound (B) carrying at least two carboxylic acid groups and having no unsaturation. Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: April 2, 2024
    Assignees: ELKEM SILICONES FRANCE SAS, INSTITUT NATIONAL DES SCIENCES APPLIQUÉES LYON, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE JEAN MONNET SAINT ETIENNE
    Inventors: François Ganachaud, Daniel Portinha De Almeida, Etienne Fleury, Gabriel Duaux, Aymeric Genest, Emmanuel Pouget
  • Patent number: 11078379
    Abstract: Approaches are described for coating various flexible media, such as sheets of paper, synthetic polymer (polyolefin, polyester, etc.) sheets or fabric sheets, with a silicone on high-speed rolls. For example, an efficient method is described for minimizing and/or reducing mist formation when coating flexible supports with a liquid silicone composition precursor of crosslinked coatings. The coating process can be performed using a coating device that includes a roll operating at a high speed.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 3, 2021
    Assignee: ELKEM SILICONES FRANCE SAS
    Inventors: Guillaume Pibre, Aymeric Genest, Stéphanie Benitou, Jean-Marc Frances, Etienne Fleury, François Ganachaud, Daniel Portinha De Almeida
  • Publication number: 20210071033
    Abstract: Silicone material obtained by a reaction between:—at least one organopolysiloxane (A) that has a molar mass of less than 70,000 g/mol, preferably less than 50,000 g/mol, and contains siloxyl units I.1 and I.2; and—at least one organic compound (B) carrying at least two carboxylic acid groups and having no unsaturation. Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .
    Type: Application
    Filed: February 27, 2019
    Publication date: March 11, 2021
    Inventors: François GANACHAUD, Daniel PORTINHA DE ALMEIDA, Etienne FLEURY, Gabriel DUAUX, Aymeric GENEST, Emmanuel POUGET
  • Publication number: 20190249036
    Abstract: Approaches are described for coating various flexible media, such as sheets of paper, synthetic polymer (polyolefin, polyester, etc.) sheets or fabric sheets, with a silicone on high-speed rolls. For example, an efficient method is described for minimizing and/or reducing mist formation when coating flexible supports with a liquid silicone composition precursor of crosslinked coatings. The coating process can be performed using a coating device that includes a roll operating at a high speed.
    Type: Application
    Filed: June 20, 2017
    Publication date: August 15, 2019
    Inventors: Guillaume PIBRE, Aymeric GENEST, Stéphanie BENITOU, Jean-Marc FRANCES, Etienne FLEURY, François GANACHAUD, Daniel PORTINHA DE ALMEIDA
  • Patent number: 10358541
    Abstract: The present invention concerns an organopolysiloxane (A) able to be obtained by the reaction, at a temperature of between 10° C. and 75° C., between—at least one compound (C) chosen from the organic compounds comprising at least one alkene or alkyne functional group, at least one of the substituents of which is an acid functional group and the organic compounds comprising at least one acid functional group and at least one alkene or alkyne functional group, at least one of the substituents of which is an electron-withdrawing group; and—at least one organopolysiloxane (B) chosen from the organopolysiloxanes comprising siloxyl units (I.1) and (I.2) of the following formulae: (I) The present invention also concerns compositions comprising said organopolysiloxanes (A) and the uses thereof. ( I ) Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ; ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 23, 2019
    Assignees: ELKEM SILICONES FRANCE SAS, INSTITUT NATIONAL DES SCIENCES APPLIQUÉES LYON, UNIVERSITÉ CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE JEAN MONNET SAINT ETIENNE
    Inventors: François Ganachaud, Etienne Fleury, Daniel Portinha De Almeida, Aymeric Genest, Emmanuel Pouget
  • Publication number: 20180265668
    Abstract: The present invention concerns an organopolysiloxane (A) able to be obtained by the reaction, at a temperature of between 10° C. and 75° C., between—at least one compound (C) chosen from the organic compounds comprising at least one alkene or alkyne functional group, at least one of the substituents of which is an acid functional group and the organic compounds comprising at least one acid functional group and at least one alkene or alkyne functional group, at least one of the substituents of which is an electron-withdrawing group; and—at least one organopolysiloxane (B) chosen from the organopolysiloxanes comprising siloxyl units (I.1) and (I.2) of the following formulae: (I) The present invention also concerns compositions comprising said organopolysiloxanes (A) and the uses thereof. ( I ) Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ; ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .
    Type: Application
    Filed: December 21, 2015
    Publication date: September 20, 2018
    Inventors: François GANACHAUD, Etienne FLEURY, Daniel PORTINHA DE ALMEIDA, Aymeric GENEST, Emmanuel POUGET