Patents by Inventor Denis Gribkov

Denis Gribkov 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: 20200361907
    Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: August 9, 2018
    Publication date: November 19, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
  • Publication number: 20200288713
    Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: August 9, 2018
    Publication date: September 17, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
  • Publication number: 20200245624
    Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, molluse and nematode pests.
    Type: Application
    Filed: August 9, 2018
    Publication date: August 6, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
  • Publication number: 20200196603
    Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: August 9, 2018
    Publication date: June 25, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
  • Publication number: 20200128827
    Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: June 18, 2018
    Publication date: April 30, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: André JEANGUENAT, Myriem EL QACEMI, André STOLLER, Aurelien BIGOT, Denis GRIBKOV
  • Publication number: 20200048238
    Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: April 4, 2018
    Publication date: February 13, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Myriem EL QACEMI, Aurelien BIGOT, Andrew EDMUNDS, Julien Daniel Henri GAGNEPAIN, André JEANGUENAT, Thomas PITTERNA, André STOLLER, Davide SABBADIN, Regis Jean Georges MONDIERE, Denis GRIBKOV
  • Publication number: 20200031814
    Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: April 4, 2018
    Publication date: January 30, 2020
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Myriem EL QACEMI, Aurelien BIGOT, Andrew EDMUNDS, Julien Daniel Henri GAGNEPAIN, André JEANGUENAT, Thomas PITTERNA, André STOLLER, Davide SABBADIN, Regis Jean Georges MONDIERE, Denis GRIBKOV
  • Publication number: 20190322675
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds, can be used as insecticides and can be prepared in a manner known per se.
    Type: Application
    Filed: November 24, 2017
    Publication date: October 24, 2019
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Andrew EDMUNDS, Michel MUEHLEBACH, Pierre Joseph Marcel JUNG, Sebastian RENDLER, Vikas SIKERVAR, Girish RAWAL, Indira SEN, Régis Jean Georges MONDIERE, Tomas SMEJKAL, Sujit Kumar GHORAI, Denis GRIBKOV
  • Publication number: 20190150441
    Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.
    Type: Application
    Filed: February 16, 2017
    Publication date: May 23, 2019
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: André Jeanguenat, Thomas Pitterna, Myriem El Qacemi, André Stoller, Régis Jean Georges Mondiere, Aurelien Bigot, Andrew Edmunds, Denis Gribkov
  • Patent number: 10040745
    Abstract: A process for the preparation of a compound of formula (I) wherein R1 is hydrogen, fluoro or chloro; which process comprises: a) reacting a compound of formula (II) wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III) wherein R1 is hydrogen, fluoro or chloro; b) reacting the compound of formula (III) with trichloroisocyanuric acid in the presence of sulfuric acid or fuming sulfuric acid to the compound of formula (IV) wherein R1 is hydrogen, fluoro or chloro; and c) reacting the compound of formula (III) with chlorine gas at a temperature from 180° C. to 250° C. to the compound of formula (I).
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: August 7, 2018
    Assignee: SYNGENTA PARTICIPATIONS AG
    Inventor: Denis Gribkov
  • 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: 9862937
    Abstract: The invention relates to a process for the preparation of a compound of formula I (I), wherein R1 is hydrogen, fluoro or chloro; which process comprises a) reacting a compound of formula II (II), wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III), wherein R1 is hydrogen, fluoro or chloro; and b) reacting the compound of formula III with chlorine gas at temperature from 180° C. to 250° C. to the compound of formula I.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 9, 2018
    Assignee: Syngenta Participations AG
    Inventor: Denis Gribkov
  • 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
  • Publication number: 20170218347
    Abstract: The invention relates to a process for the preparation of a compound of formula I (I), wherein R1 is hydrogen, fluoro or chloro; which process comprises a) reacting a compound of formula II (II), wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III), wherein R1 is hydrogen, fluoro or chloro; and b) reacting the compound of formula III with chlorine gas at temperature from 180° C. to 250° C. to the compound of formula I.
    Type: Application
    Filed: October 7, 2015
    Publication date: August 3, 2017
    Applicant: Syngenta Participations AG
    Inventor: Denis GRIBKOV
  • Publication number: 20170217865
    Abstract: A process for the preparation of a compound of formula (I) wherein R1 is hydrogen, fluoro or chloro; which process comprises: a) reacting a compound of formula (II) wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III) wherein R1 is hydrogen, fluoro or chloro; b) reacting the compound of formula (III) with trichloroisocyanuric acid in the presence of sulfuric acid or fuming sulfuric acid to the compound of formula (IV) wherein R1 is hydrogen, fluoro or chloro; and c) reacting the compound of formula (III) with chlorine gas at a temperature from 180° C. to 250° C. to the compound of formula (I).
    Type: Application
    Filed: October 7, 2015
    Publication date: August 3, 2017
    Applicant: Syngenta Participations AG
    Inventor: Denis GRIBKOV
  • Patent number: 9115043
    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 CXCI3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCI3, 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 28, 2009
    Date of Patent: August 25, 2015
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
  • Publication number: 20150141712
    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: Application
    Filed: January 23, 2015
    Publication date: May 21, 2015
    Applicants: SYNGENTA PARTICIPATIONS AG, SYNGENTA CROP PROTECTION LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
  • Patent number: 8519151
    Abstract: The invention relates to a process for the preparation of formula (I) which process comprises a) reacting a compound of formula (II), wherein X is chloro or bromo, with an organometallic species to (III), wherein X is chloro or bromo; reacting the halobenzyne with a fulvene (IV), to a compound of formula (V) wherein X is chloro or bromo; b) hydrogenating V in the presence of a suitable metal catalyst to a compound of formula (VI) wherein X is chloro or bromo; and either c1) reacting the compound of formula VI with NH3 in the presence of a catalyst comprising palladium and at least one ligand to the compound of formula (VII); and d) reacting the compound of formula VII in the presence of a base with a compound of formula (VIII), to the compound of formula I; or c2 reacting the compound of formula (VI) in the presence of a copper catalyst and a ligand with the compound of formula (VIIIa), to the compound of formula (I).
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: August 27, 2013
    Assignee: Syngenta Crop Protection LLC
    Inventors: Denis Gribkov, Remo Stohler, Thomas Vettiger, Michael Rommel
  • Patent number: 8507694
    Abstract: The invention relates to a process for the preparation of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl)-amide.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: August 13, 2013
    Assignee: Syngenta Crop Protection LLC
    Inventors: Denis Gribkov, Adrian Müller, Martin Lager, Fanny Giordano