Patents by Inventor Alain De Mesmaeker

Alain De Mesmaeker 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: 20230339916
    Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, useful as plant growth regulators and/or seed germination promoters.
    Type: Application
    Filed: August 26, 2021
    Publication date: October 26, 2023
    Applicant: SYNGENTA CROP PROTECTION AG
    Inventors: Mathilde Denise LACHIA, Alain DE MESMAEKER, Alexandre Franco Jean Camille LUMBROSO, Roman STAIGER
  • Publication number: 20220361500
    Abstract: Compounds of the formula (I) wherein the substituents are as defined in claim 1, useful as plant growth regulators and/or seed germination promoters.
    Type: Application
    Filed: August 25, 2020
    Publication date: November 17, 2022
    Applicant: SYNGENTA CROP PROTECTION AG
    Inventors: Mathilde Denise LACHIA, Alexandre Franco Jean Camille LUMBROSO, Pierre QUINODOZ, Alain DE MESMAEKER
  • Patent number: 11136292
    Abstract: The present invention relates to relates to novel strigolactone derivatives of formula (I), to processes for preparing these derivatives including intermediate compounds, to seeds comprising these derivatives, to plant growth regulator or seed germination promoting compositions comprising these derivatives and to methods of using these derivatives in controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: October 5, 2021
    Assignee: SYNGENTA PARTICIPATIONS AG
    Inventors: Alexandre Franco Jean Camille Lumbroso, Alain De Mesmaeker, Claudio Screpanti, Stefano Rendine
  • Publication number: 20210253560
    Abstract: The present invention relates to novel strigolactam derivatives, to crop enhancement, plant growth regulator or seed germination promoting compositions comprising these derivatives and to methods of using these derivatives in controlling the growth and physiology of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: March 7, 2019
    Publication date: August 19, 2021
    Applicant: Syngenta Participations AG
    Inventors: Alexandre Franco Jean Camille LUMBROSO, Alain DE MESMAEKER, Claudio SCREPANTI
  • Patent number: 11039613
    Abstract: The present invention relates to new compounds of formula (I) for the promotion of seed germination, to processes for preparing the compounds, to seeds comprising the compounds, to seed germination promoting compositions comprising the compounds and to methods of using the compounds for promoting the germination of seeds. In particular, the compounds are useful in promoting germination of corn under cold stress conditions.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: June 22, 2021
    Assignee: SYNGENTA PARTICIPATIONS AG
    Inventors: Alain De Mesmaeker, Claudio Screpanti, Alexandre Franco Jean Camille Lumbroso
  • Publication number: 20210059251
    Abstract: The present invention relates to relates to novel strigolactam derivatives, to processes for preparing these derivatives including intermediate compounds, to seeds comprising these derivatives, 5 to plant growth regulator or seed germination promoting compositions comprising these derivatives and to methods of using these derivatives in controlling the growth of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: March 7, 2019
    Publication date: March 4, 2021
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Alexandre Franco Jean Camille LUMBROSO, Alain DE MESMAEKER, Claudio SCREPANTI, Denise Mathilde LACHIA, Pierre QUINODOZ
  • Publication number: 20190380339
    Abstract: The present invention relates to new compounds of formula (I) for the promotion of seed germination, to processes for preparing the compounds, to seeds comprising the compounds, to seed germination promoting compositions comprising the compounds and to methods of using the compounds for promoting the germination of seeds. In particular, the compounds are useful in promoting germination of corn under cold stress conditions.
    Type: Application
    Filed: February 1, 2018
    Publication date: December 19, 2019
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Alain DE MESMAEKER, Claudio SCREPANTI, Alexandre Franco Jean Camille LUMBROSO
  • Publication number: 20190330148
    Abstract: The present invention relates to relates to novel strigolactone derivatives of formula (I), to processes for preparing these derivatives including intermediate compounds, to seeds comprising these derivatives, to plant growth regulator or seed germination promoting compositions comprising these derivatives and to methods of using these derivatives in controlling the growth of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: September 5, 2017
    Publication date: October 31, 2019
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Alexandre Franco Jean Camille LUMBROSO, Alain DE MESMAEKER, Claudio SCREPANTI, Stefano RENDINE
  • Patent number: 10399950
    Abstract: The present invention relates to novel non-steroidal brassinosteroid mimetic derivatives of formula (I) as defined herein, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: September 3, 2019
    Assignee: Syngenta Partcipations AG
    Inventors: Mathilde Denise Lachia, Pierre Joseph Marcel Jung, Joerg Leipner, David Brocklehurst, Alain De Mesmaeker, Sebastian Volker Wendeborn
  • Publication number: 20180220650
    Abstract: The present invention relates to novel strigolactam derivatives, to processes for preparing these derivatives including intermediate compounds, to plant growth regulator or seed germination promoting compositions comprising these derivatives and to methods of using these derivatives in controlling the growth of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: August 4, 2016
    Publication date: August 9, 2018
    Applicant: Syngenta Participations AG
    Inventors: Alexandre Franco Jean Camille Lumbroso, Alain De Mesmaeker
  • Publication number: 20180168154
    Abstract: Compounds of the Formula (I) wherein the substituents are as defined in claim 1, useful as plant growth regulators, particular in seed germination.
    Type: Application
    Filed: June 1, 2016
    Publication date: June 21, 2018
    Applicant: Syngenta Participations AG
    Inventors: Alain DE MESMAEKER, Mathilde Denise LACHIA, Alexandre Franco Jean Camille LUMBROSO, Stefano RENDINE, Claudio SCREPANTI
  • Publication number: 20180134726
    Abstract: The present invention relates to novel strigolactam derivatives, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: May 22, 2013
    Publication date: May 17, 2018
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Emmanuelle VILLEDIEU-PERCHERON, Mathilde Denise LACHIA, Alain DE MESMAEKER, Hanno Christian WOLF, Franciscus LANFERMEIJER, Paul VAN DEN WIJNGAARD, Claudio SCREPANTI
  • Patent number: 9878970
    Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 30, 2018
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Bois, Harald Walter, Alain De Mesmaeker
  • Publication number: 20180016211
    Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula II, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula II, wherein X is chloro, b) reacting the compound of formula II with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: Syngenta Crop Protection, LLC
    Inventors: Denis GRIBKOV, Bjorn ANTELMANN, Fanny BOIS, Harald WALTER, Alain DE MESMAEKER
  • Patent number: 9796646
    Abstract: The present invention relates to a novel process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula II aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula II wherein X is chloro, b) reacting the compound of formula II with a base in the presence of an appropriate solvent to the compound of formula III c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: October 24, 2017
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
  • Patent number: 9751867
    Abstract: The present invention relates to novel heterocyclic derivatives of Formula (I), to processes and intermediates for preparing them, to plant growth regulator and seed germination promoting compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: September 5, 2017
    Assignee: Syngenta Participations AG
    Inventors: Mathilde Denise Lachia, Claudio Screpanti, Alain De Mesmaeker, Alexandre Franco Jean Camille Lumbroso, Stefano Rendine
  • Patent number: 9598363
    Abstract: The present invention relates to novel strigolactam derivatives, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: March 21, 2017
    Assignee: Syngenta Participations AG
    Inventors: Mathilde Denise Lachia, Alain De Mesmaeker, Claudio Screpanti, Hanno Christian Wolf, Pierre Joseph Marcel Jung
  • Publication number: 20160368900
    Abstract: The present invention relates to novel heterocyclic derivatives of Formula (I), to processes and intermediates for preparing them, to plant growth regulator and seed germination promoting compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Application
    Filed: February 24, 2015
    Publication date: December 22, 2016
    Applicant: Syngenta Participations AG
    Inventors: Mathilde Denise LACHIA, Claudio SCREPANTI, Alain DE MESMAEKER, Alexandre Franco Jean Camille LUMBROSO, Stefano RENDINE
  • Patent number: 9522882
    Abstract: The present invention relates to novel strigolactam derivatives, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: December 20, 2016
    Assignee: Syngenta Participations AG
    Inventors: Mathilde Denise Lachia, Alain De Mesmaeker, Emmanuelle Villedieu-Percheron, Hanno Christian Wolf, Pierre Joseph Marcel Jung, Franciscus Cornelis Lanfermeijer, Paul Willem Jan Van Den Wijngaard, Claudio Screpanti
  • Patent number: 9345244
    Abstract: The present invention relates to novel non-steroidal brassinosteroid mimetic derivatives, to processes and intermediates for preparing them, to plant growth regulator compositions comprising them and to methods of using them for controlling the growth of plants and/or promoting the germination of seeds.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: May 24, 2016
    Assignees: Syngenta Participations AG, Syngenta Limited
    Inventors: Pierre Joseph Marcel Jung, Joerg Leipner, Mathilde Denise Lachia, Alain De Mesmaeker, Matthew Murdoch Woodhead McLachlan