Patents by Inventor Armelle NIGON

Armelle NIGON 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).

  • Absorbent solution based on hydroxyl derivatives of 1,6-hexanediamine and method for eliminating acid compounds from a gaseous effluent
    Patent number: 10967325
    Abstract: The invention relates to an absorbent solution and to a method using this solution for removing acid compounds contained in a gaseous effluent, comprising water and at least one diamine with general formula (I) as follows: wherein: radicals R1, R2, R3 are each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R1, R2, R3 is a methyl radical.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: April 6, 2021
    Assignee: IFP Energies nouvelles
    Inventors: Bruno Delfort, Julien Grandjean, Thierry Huard, Laetitia Giraudon, Catherine Lefebvre, Aurelie Wender, Armelle Nigon
  • ABSORBENT SOLUTION BASED ON HYDROXYL DERIVATIVES OF 1,6-HEXANEDIAMINE AND METHOD FOR ELIMINATING ACID COMPOUNDS FROM A GASEOUS EFFLUENT
    Publication number: 20200254380
    Abstract: The invention relates to an absorbent solution and to a method using this solution for removing acid compounds contained in a gaseous effluent, comprising water and at least one diamine with general formula (I) as follows: wherein: radicals R1, R2, R3 are each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R1, R2, R3 is a methyl radical.
    Type: Application
    Filed: December 13, 2016
    Publication date: August 13, 2020
    Applicant: IFP Energies nouvelles
    Inventors: Bruno DELFORT, Julien GRANDJEAN, Thierry HUARD, Laetitia GIRAUDON, Catherine LEFEBVRE, Aurelie WENDER, Armelle NIGON
  • Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent
    Patent number: 10399925
    Abstract: The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical —(CH2)n- with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N?,N?-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N?,N?-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: September 3, 2019
    Assignee: IFP Energies nouvelles
    Inventors: Julien Grandjean, Bruno Delfort, Dominique Le Pennec, Thierry Huard, Aurelie Wender, Armelle Nigon
  • NOVEL BETA-HYDROXYLATED TERTIARY DIAMINES, A PROCESS FOR THEIR SYNTHESIS AND THEIR USE FOR ELIMINATING ACID COMPOUNDS A GASEOUS EFFLUENT
    Publication number: 20180251421
    Abstract: The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical —(CH2)n— with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N?,N?-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N?,N?-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventors: Julien GRANDJEAN, Bruno DELFORT, Dominique LE PENNEC, Thierry HUARD, Aurelie WENDER, Armelle NIGON
  • Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent
    Patent number: 9873081
    Abstract: An absorbent solution is provided for removing acid compounds contained in a gaseous effluent and a method of removing acid compounds contained in a gaseous effluent contacts the gaseous effluent with the absorbent solution. The absorbent solution includes at least one of the following two nitrogen compounds belonging to the family of tertiary diamines: 1-dimethylamino-3-(2-dimethylaminoethoxy)-2-propanol 1,1?-oxybis[3-(dimethylamino)-2-propanol] and water.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: January 23, 2018
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Bruno Delfort, Dominique Le Pennec, Julien Grandjean, Thierry Huard, Aurelie Wender, Armelle Nigon
  • ABSORBENT SOLUTION BASED ON BETA-HYDROXYLATED TERTIARY DIAMINES AND METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT
    Publication number: 20170100694
    Abstract: The invention relates to an absorbent solution and to a method of removing acid compounds contained in a gaseous effluent, comprising water and at least one of the following two nitrogen compounds belonging to the family of tertiary diamines: 1-dimethylamino-3-(2-dimethylaminoethoxy)-2-propanol 1,1?-oxybis[3-(dimethylamino)-2-propanol]
    Type: Application
    Filed: May 12, 2015
    Publication date: April 13, 2017
    Inventors: Bruno DELFORT, Dominique LE PENNEC, Julien GRANDJEAN, Thierry HUARD, Aurelie WENDER, Armelle NIGON
  • NOVEL BETA-HYDROXYLATED TERTIARY DIAMINES, A PROCESS FOR THEIR SYNTHESIS AND THEIR USE FOR ELIMINATING ACID COMPOUNDS A GASEOUS EFFLUENT
    Publication number: 20170081275
    Abstract: The invention relates to novel nitrogen compounds belonging to the family of tertiary diamines of general formula (I) below, wherein R is an alkanediyl radical —(CH2)n- with n=2, 3, 4, 5 or 6. The compound according to the invention is for example N,N,N?,N?-(tetramethyl)-1,6-diamino-2,5-hexanediol or N,N,N?,N?-(tetramethyl)-1,8-diamino-2,7-octanediol. The invention also relates to the method for preparing them and to their use for removing acid compounds contained in a gaseous effluent.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 23, 2017
    Inventors: Julien GRANDJEAN, Bruno DELFORT, Dominique LE PENNEC, Thierry HUARD, Aurelie WENDER, Armelle NIGON