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: 20130303375
    Abstract: The present invention relates to novel strigolactam derivatives of formula (I) to processes and intermediates for pre-paring 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: December 9, 2011
    Publication date: November 14, 2013
    Applicant: SYNGENTA PARTICIPATIONS AG
    Inventors: Mathilde Denise Lachia, Alain De Mesmaeker, Hanno Christian Wolf, Pierre Joseph Marcel Jung
  • Publication number: 20130303370
    Abstract: The present invention provides a compound of formula (I) wherein R4 is of sub-formula (a) or (b) and wherein the other substituents are as defined in the specification. The compounds of formula (I) are potentially useful as herbicides.
    Type: Application
    Filed: October 14, 2011
    Publication date: November 14, 2013
    Applicants: SYNGENTA LIMITED, SYNGENTA PARTICIPATIONS AG
    Inventors: Alaric James Avery, Alain De Mesmaeker, Nicholas Phillip Mulholland, Nigel James Willetts, Paul Anthony Worthington
  • Publication number: 20110207958
    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: Application
    Filed: September 28, 2009
    Publication date: August 25, 2011
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
  • Patent number: 7691785
    Abstract: Compounds of the formula I in which the substituents are as defined in claim 1 are suitable for use as herbicides.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: April 6, 2010
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Andrew Edmunds, Alain De Mesmaeker, Christoph Luthy, Jurgen Schaetzer
  • Publication number: 20080274891
    Abstract: Compounds of the formula I in which the substituents are as defined in claim 1 are suitable for use as herbicides.
    Type: Application
    Filed: May 23, 2008
    Publication date: November 6, 2008
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Andrew Edmunds, Alain De Mesmaeker, Christoph Luthy, Jurgen Schaetzer
  • Patent number: 7378375
    Abstract: Compounds of the formula I in which the substituents are as defined in claim 1 are suitable for use as herbicides.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: May 27, 2008
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Andrew Edmunds, Alain De Mesmaeker, Christoph Lüthy, Jürgen Schaetzer
  • Publication number: 20070265165
    Abstract: Compounds of formula I wherein the substituents are defined as in claim 1, as well as the agronomically acceptable salts, isomers and enantiomers of these compounds, as well as the agronomically acceptable salts/N-oxides/isomers/enantiomers of these compounds, are eminently suitable for use as herbicides.
    Type: Application
    Filed: July 26, 2007
    Publication date: November 15, 2007
    Applicant: Syngenta Crop Protection, Inc.
    Inventors: Jurgen Schaetzer, Alain De Mesmaeker, Shy-Fuh Lee
  • Patent number: 7265230
    Abstract: Compounds of formula I wherein the substituents are defined as in claim 1, as well as the agronomically acceptable salts, isomers and enantiomers of these compounds, as well as the agronomically acceptable salts/N-oxides/isomers/enantiomers of these compounds, are eminently suitable for use as herbicides.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: September 4, 2007
    Assignee: Syngenta Participations AG
    Inventors: Jürgen Schaetzer, Alain De Mesmaeker, Shy-Fuh Lee
  • Patent number: 6864392
    Abstract: The invention relates to novel pesticidally active ?-sulfin- and ?-sulfonamino acid amides of the general formula (I) including the optical isomers thereof and mixtures of such isomers, wherein n is a number zero or one, R1-R7 have the meanings given in the specification. R8 is either hydrogen, (a), (b), (c), (d) or (e) wherein R11, R12, R14, R15 and R17 are each independently hydrogen or C1-C4alkyl, R13 is C4-C12alkyl; C1-C12 halogenalkyl; C3-C8 cycloalkyl; optionally substituted aryl or optionally substituted heteroaryl, R16 is optionally substituted aryl or optionally substituted heteroaryl; and Z is oxygen, sulfur —CR18R19— or —NR20—, wherein R18, R19, R20 independently of each other are hydrogen or C1-C4alkyl.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: March 8, 2005
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Martin Zeller, Clemens Lamberth, Henry Szczepanski, Alain De Mesmaeker
  • Patent number: 6838564
    Abstract: Compounds of the formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: January 4, 2005
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Andrew Edmunds, Alain De Mesmaeker, Christoph Lüthy, Jürgen Schaetzer
  • Publication number: 20040097729
    Abstract: Compounds of the formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides.
    Type: Application
    Filed: December 6, 2002
    Publication date: May 20, 2004
    Inventors: Andrew Edmunds, Alain De Mesmaeker, Christoph Luthy, Jurgen Schaetzer
  • Publication number: 20040092401
    Abstract: The invention relates to novel pesticidally active &agr;-sulfin- and &agr;-sulfonamino acid amides of the general formula (I) including the optical isomers thereof and mixtures of such isomers, wherein n is a number zero or one, R1-R7 have the meanings given in the specification. R8 is either hydrogen, (a), (b), (c), (d) or (e) wherein R11, R12, R14, R,15 and R17 are each independently hydrogen or C1-C4alkyl, R13 is C4-C12alkyl; C1-C12 halogenalkyl; C3-C8 cycloalkyl; optionally substituted aryl or optionally substituted heteroaryl, R16 is optionally substituted aryl or optionally substituted heteroaryl; and Z is oxygen, sulfur —CR18R19— or —NR20—, wherein R18, R19, R20 independently of each other are hydrogen or C1-C4alkyl. The novel compounds possess plant-protecting properties and are suitable for protecting plants against infestation by phytopathogenic microorganisms.
    Type: Application
    Filed: February 14, 2003
    Publication date: May 13, 2004
    Inventors: Martin Zeller, Clemens Lamberth, Henry Szczepanski, Alain De Mesmaeker
  • Patent number: 6673938
    Abstract: Compounds of formula (I), in which the substituents are as defined in claim 1 and the agrochemically tolerated salts M+ and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides.
    Type: Grant
    Filed: January 7, 2003
    Date of Patent: January 6, 2004
    Assignee: Syngenta Participations AG
    Inventors: Andrew Edmunds, Christoph Lüthy, Karl Seckinger, Alain De Mesmaeker, Walter Kunz, Jürgen Schaetzer
  • Publication number: 20030236167
    Abstract: Compounds of formula I 1
    Type: Application
    Filed: June 5, 2003
    Publication date: December 25, 2003
    Inventors: Jurgen Schaetzer, Alain De Mesmaeker, Shy-Fuh Lee
  • Publication number: 20030229228
    Abstract: The invention relates to novel pesticidally active &agr;-sulfin- and &agr;-sulfonamino acid amides of the general formula (I) including the optical isomers thereof and mixtures of such isomers, wherein n is a number zero or one; R1-R9 have the meanings given in the specification R10 is either hydrogen, (a), (b), (c), (d) or (e) wherein R13, R14, R16, R17 and R19 are each independently hydrogen or C1-C4 alkyl, R15 is C4-C12 alkyl; C1-C12 halogenalkyl; C3-C8 cycloalkyl; optionally substituted aryl or optionally substituted heteroaryl, R18 is optionally substituted aryl or optionally substituted heteroaryl; and Z is oxygen, sulfur —CR20R21— or —NR22—, wherein R20, R21 and R22 independently of each other are hydrogen of C1-C4 alkyl; provided that when R8 is hydrogen, R9 is not C1-C6-alkoxy, C3-C6 alkenyloxy or C3-C6-alkynyloxy in position 3 of the phenyl ring carrying these radicals.
    Type: Application
    Filed: February 20, 2003
    Publication date: December 11, 2003
    Inventors: Martin Zeller, Clemens Lamberth, Henry Szczepanski, Alain De Mesmaeker
  • Publication number: 20030224940
    Abstract: The invention relates to novel pesticidally active &agr;-sulfin and &agr;-sulfonamino acid amides of the general formula (I) including the optical isomers thereof and mixtures of such isomers, wherein n is a number zero or one; R1, R2, R3, R4, R5, R6 and R7 have the meanings given in the specification, and R8 is either hydrogen, (a), (b), (c), (d) or (e) wherein R11, R12, R13, R15 and R17 are each independently hydrogen or C1-C4 alkyl, R13 is C4-C12 alkyl, C1-C12 halogenalkyl; C3-C8 cycloalkyl; optionally substituted aryl or optionally substituted heteroaryl, R16 is optionally substituted aryl or optionally substituted heteroaryl; and Z is oxygen, sulfur —CR18R19— or —NR2O—, wherein R18, R19 and R20 independently of each other are hydrogen or C1-C4 alkyl. The novel compounds possess plant-protecting properties and are suitable for protecting plants against infestation by phytopathogenic microorganisms.
    Type: Application
    Filed: May 6, 2003
    Publication date: December 4, 2003
    Inventors: Martin Zeller, Clemens Lamberth, Henry Szczepanski, Alain De Mesmaeker
  • Patent number: 6599861
    Abstract: Compounds of formula I wherein the substituents are defined as in claim 1, as well as the agronomically acceptable salts, isomers and enantiomers of these compounds, as well as the agronomically acceptable salts/N-oxides/isomers/enantiomers of these compounds, are eminently suitable for use as herbicides.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: July 29, 2003
    Assignee: Syngenta Participations AG
    Inventors: Jürgen Schaetzer, Alain De Mesmaeker, Shy-Fuh Lee
  • Patent number: 6534445
    Abstract: Compounds of formula (I), in which the substituents are as defined in claim 1 and the agrochemically tolerated salts M+ and all stereoisomers and tautomers of the compounds of formula (I) are suitable for use as herbicides.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: March 18, 2003
    Assignee: Syngenta Participations AG
    Inventors: Andrew Edmunds, Christoph Lüthy, Karl Seckinger, Alain De Mesmaeker, Walter Kunz, Jürgen Schaetzer
  • Publication number: 20030040437
    Abstract: 1
    Type: Application
    Filed: June 22, 2001
    Publication date: February 27, 2003
    Inventors: Andrew Edmunds, Christoph Luthy, Karl Seckinger, Alain De Mesmaeker, Walter Kunz, Jurgen Schaetzer
  • Patent number: 6498125
    Abstract: Compounds of formula (I) in which the substituents are as defined in claim 1 are suitable for use as herbicides.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: December 24, 2002
    Assignee: Syngenta Participations AG
    Inventors: Andrew Edmunds, Karl Seckinger, Christoph Lüthy, Walter Kunz, Alain De Mesmaeker, Jürgen Schaetzer