Patents Assigned to Makhteshim Chemical Works, Ltd.
  • Patent number: 9872497
    Abstract: A pesticidal mixture including (a) spinetoram; and (b) a compound of group A selected from novaluron, pyriproxyfen, tau-fluvalinate, and a combination thereof.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: January 23, 2018
    Assignee: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventors: Assaf Dotan, Tamar Danon
  • Patent number: 9730453
    Abstract: The invention relates to a method for controlling woolly apple aphid insect comprising contacting the insect or a locus, where control of the insect is desired, with a combination of at least one neonicotinoid compound and at least one benzoylphenyl urea compound.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: August 15, 2017
    Assignee: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventor: Avner Barazani
  • Publication number: 20150173360
    Abstract: A method for controlling agricultural insects in a crop, comprising contacting the agricultural insects or the agricultural insects' food supply, habitat, breeding grounds or locus with a synergistically effective amount of a combination of bifenthrin and fipronil is disclosed.
    Type: Application
    Filed: March 8, 2012
    Publication date: June 25, 2015
    Applicant: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventor: Assaf Dotan
  • Patent number: 8901311
    Abstract: The present invention relates to a process for preparing heterocyclic fluoroalkenyl sulfones and fluoroalkenyl sulfoxides by allowing the corresponding fluoroalkenyl thioethers to react with a salt of peroxomonosulfuric acid (H2SO5), optionally in the presence of a reaction assistant and optionally in the presence of a diluent.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: December 2, 2014
    Assignee: Makhteshim Chemical Works, Ltd.
    Inventor: Alexander Straub
  • Patent number: 8877767
    Abstract: The present invention relates to novel crystalline polymorphic and amorphous forms of the compound methyl (E)-2-{2-[6-(2-cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate (azoxystrobin). Infrared Raman spectra, X-Ray powder diffraction pattern and differential scanning calorimetry thermogram of two polymorphs “A” and “B” are provided. Further, the present invention also provides methods for preparing the novel polymorphic forms “A” and “B”, as well as processes for producing mixtures of the polymorphs, and a process for preparing amorphous azoxystrobin. Yet further, the present invention provides anti-fungal compositions comprising the novel crystalline polymorphs “A” and “B” or amorphous azoxystrobin, which are useful for controlling and combating fungi grown on agricultural and horticultural crops and up-land, and methods of using the same as pesticidal agents for combating fungi on agricultural and horticultural crops.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: November 4, 2014
    Assignee: Makhteshim Chemical Works Ltd.
    Inventors: Sharona Zamir, Inna Faktorovitch
  • Publication number: 20140259906
    Abstract: The present invention provides a bead comprising: i) an external zone comprising a super absorbent polymer (SAP) that is capable of absorbing at least about 5 times its weight in water, surrounding ii) at least one internal zone comprising a core that contains at least one agrochemical, wherein the external zone is permeable to oxygen when hydrated, or the internal zone is formulated to release the at least one agrochemical into the external zone over a period of at least about one week when the hydrogel of the external zone is hydrated. The present invention also provides methods of using beads of the invention.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventors: Uri Shani, Asher Vitner, Matti Ben-Moshe, Eran Segal
  • Patent number: 8815921
    Abstract: The invention relates to novel active substance combinations consisting of heterocyclic trifluorobutenylen of formula (I), wherein X is halogen and N is 0, 1 or 2, and of known insecticide substances. Said novel active substance combinations are suitable for fighting harmful pests like insects and nematodes.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: August 26, 2014
    Assignee: Makhteshim Chemical Works, Ltd.
    Inventors: Wolfram Andersch, Anton Kraus, Koichi Ishikawa
  • Publication number: 20140213626
    Abstract: The present invention relates to novel crystalline polymorphs, solvate pseudomorphs and amorphous form of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoroethyl)sulfinyl]-1H-pyrazole-3-carbonitrile (fipronil). The present invention also provides methods for preparing the novel polymorphs, pseudomorphs and amorphous form, as well as insecticidal or pesticidal compositions comprising same, and methods of use thereof as pesticidal agents.
    Type: Application
    Filed: March 31, 2014
    Publication date: July 31, 2014
    Applicant: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventor: Sharona ZAMIR
  • Patent number: 8691862
    Abstract: The present invention relates to novel crystalline polymorphs, solvate pseudomorphs and amorphous form of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile (fipronil). The present invention also provides methods for preparing the novel polymorphs, pseudomorphs and amorphous form, as well as insecticidal or pesticidal compositions comprising same, and methods of use thereof as pesticidal agents.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: April 8, 2014
    Assignee: Makhteshim Chemical Works Ltd.
    Inventor: Sharona Zamir
  • Patent number: 8648203
    Abstract: The present invention relates to an improved process for the synthesis and purification of 3-chloro-N-(3-chloro-5-tri-fluoromethyl-2-pyridyl)-?,?,?-trifluoro-2,6-di-nitro-p-toluidine (fluazinam) and other pyridinamines, which implements methyl isobutyl ketone (MIBK) as the reaction solvent. The process of the invention overcomes the drawbacks of prior art methods, by reducing the side reactions such as hydrolysis, eliminating the need for difficult and labor-intensive purification methods, and providing pure products in higher yields. The present invention relates to novel crystalline polymorphic forms fluazinam, and to mixtures of the polymorphs. The present invention also provides methods for preparing the novel polymorphs, as well as pharmaceutical compositions comprising same, and methods of using the polymorphs as pesticidal agents for combating noxious living organisms on agricultural and horticultural crops.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: February 11, 2014
    Assignee: Makhteshim Chemical Works Ltd.
    Inventors: Shlomi Cohen, Sharona Zamir
  • Publication number: 20140039026
    Abstract: The present invention relates to novel crystalline polymorphs, solvate pseudomorphs and amorphous form of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile (fipronil). The present invention also provides methods for preparing the novel polymorphs, pseudomorphs and amorphous form, as well as insecticidal or pesticidal compositions comprising same, and methods of use thereof as pesticidal agents.
    Type: Application
    Filed: May 13, 2013
    Publication date: February 6, 2014
    Applicant: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventor: Sharona ZAMIR
  • Publication number: 20130261303
    Abstract: The present invention provides a process for reacting between a phenol derivative and an aromatic substrate under phenolate forming conditions comprising the following steps: (a) reacting a phenol derivative with a base in a polar organic solvent to obtain a phenolate salt, wherein water is removed from the reaction mixture during the reaction, (b) adding the aromatic substrate to the reaction mixture obtained in step (a), (c) heating the reaction mixture of step (b) to a temperature in the range of 80° to 1300° C., preferably, 90° to 1000° C. for 2 to 7 hours to obtain a phenoxy substituted aromatic substrate, (d) removing the solvent from the mixture of step (c) and optionally further isolating and purifying the phenoxy substituted aromatic substrate. Optionally, the removal of water during step (a) is in conjunction with partial removal of the organic solvent.
    Type: Application
    Filed: May 30, 2013
    Publication date: October 3, 2013
    Applicant: MAKHTESHIM CHEMICAL WORKS, LTD.
    Inventors: David OVADIA, Raya STURKOVICH, David LEONOV
  • Patent number: 8546411
    Abstract: The present invention relates to novel crystalline polymorphic and amorphous forms of the compound methyl (E)-2-{2-[6-(2-cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxy-acrylate (azoxystrobin). Infrared Raman spectra, X-ray powder diffraction pattern and differential scanning calorimetry thermogram of two polymorphs “A” and “B” are provided. Further, the present invention also provides methods for preparing the novel polymorphic forms “A” and “B”, as well as processes for producing mixtures of the polymorphs, and a process for preparing amorphous azoxystrobin. Yet further, the present invention provides anti-fungal compositions comprising the novel crystalline polymorphs “A” and “B” or amorphous azoxystrobin, which are useful for controlling and combating fungi grown on agricultural and horticultural crops and up-land, and methods of using the same as pesticidal agents for combating fungi on agricultural and horticultural crops.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: October 1, 2013
    Assignee: Makhteshim Chemical Works Ltd.
    Inventors: Sharona Zamir, Inna Faktorovitch
  • Patent number: 8524723
    Abstract: The present invention relates to novel crystalline polymorphic and amorphous forms of the compound methyl (E)-2-{2-[6-(2-cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxy-acrylate (azoxystrobin). Infrared Raman spectra, X-ray powder diffraction pattern and differential scanning calorimetry thermogram of two polymorphs “A” and “B” are provided. Further, the present invention also provides methods for preparing the novel polymorphic forms “A” and “B”, as well as processes for producing mixtures of the polymorphs, and a process for preparing amorphous azoxystrobin. Yet further, the present invention provides anti-fungal compositions comprising the novel crystalline polymorphs “A” and “B” or amorphous azoxystrobin, which are useful for controlling and combating fungi grown on agricultural and horticultural crops and up-land, and methods of using the same as pesticidal agents for combating fungi on agricultural and horticultural crops.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: September 3, 2013
    Assignee: Makhteshim Chemical Works Ltd.
    Inventors: Sharona Zamir, Inna Faktorovitch
  • Publication number: 20130225535
    Abstract: The present invention relates to a composition comprising a combination of a morpholine fungicide; a phthalimide fungicide; and a phosphorus containing fungicide, wherein the composition has a synergistically enhanced activity.
    Type: Application
    Filed: August 26, 2010
    Publication date: August 29, 2013
    Applicant: MAKHTESHIM CHEMICAL WORKS LTD.
    Inventors: Noam Sheffer, Daniel Camus
  • Publication number: 20130210863
    Abstract: The present invention relates to synergistic insecticidal mixtures comprising a) a Pyrethroid insecticide (preferably bifenthrin), b) a Neonicotinoid insecticide (preferably imidacloprid) and c) a Benzoylphenyl urea insecticide (preferably novaluron) and to the related compositions and methods of controlling insects.
    Type: Application
    Filed: July 31, 2011
    Publication date: August 15, 2013
    Applicant: MAKHTESHIM CHEMICAL WORKS, LTD.
    Inventors: Assaf Dotan, Ganit Levi-Ruso
  • Patent number: 8471013
    Abstract: The present invention provides a process for reacting between a phenol derivative and an aromatic substrate under phenolate forming conditions comprising the following steps: (a) reacting a phenol derivative with a base in a polar organic solvent to obtain a phenolate salt, wherein water is removed form the reaction mixture during the reaction, (b) adding the aromatic substrate to the reaction mixture obtained in step (a), (c) heating the reaction mixture of step (b) to a temperature in the range of 80° to 1300° C., preferably, 90° to 1000° C. for 2 to 7 hours to obtain a phenoxy substituted aromatic substrate, (d) removing the solvent from the mixture of step (c) and optionally further isolating an purifying the phenoxy substituted aromatic substrate. Optionally, the removal of water during step (a) is in conjunction with partial removal of the organic solvent.
    Type: Grant
    Filed: December 16, 2007
    Date of Patent: June 25, 2013
    Assignee: Makhteshim Chemical Works, Ltd.
    Inventors: David Ovadia, Raya Sturkovich, David Leonov
  • Patent number: 8440709
    Abstract: The present invention relates to novel crystalline polymorphs, solvate pseudomorphs and amorphous form of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile (fipronil). The present invention also provides methods for preparing the novel polymorphs, pseudomorphs and amorphous form, as well as insecticidal or pesticidal compositions comprising same, and methods of use thereof as pesticidal agents.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: May 14, 2013
    Assignee: Makhteshim Chemical Works Ltd.
    Inventor: Sharona Zamir
  • Patent number: 8426605
    Abstract: Disclosed are novel active substance combinations comprising specific heterocyclic trifluorobutenyls and previously known fungicidal agents. Said active substance combinations have a very good synergistic fungicidal, nematicidal, insecticidal, and/or acaricidal effect.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: April 23, 2013
    Assignee: Makhteshim Chemical Works, Ltd.
    Inventors: Wolfram Andersch, Ulrike Wachendorff-Neumann, Anton Kraus
  • Publication number: 20120197023
    Abstract: The present invention relates to an improved process for the synthesis and purification of 3-chloro-N-(3-chloro-5-tri-fluoromethyl-2-pyridyl)-?,?,?-trifluoro-2,6-di-nitro-p-toluidine (fluazinam) and other pyridinamines, which implements methyl isobutyl ketone (MIBK) as the reaction solvent. The process of the invention overcomes the drawbacks of prior art methods, by reducing the side reactions such as hydrolysis, eliminating the need for difficult and labor-intensive purification methods, and providing pure products in higher yields. The present invention relates to novel crystalline polymorphic forms fluazinam, and to mixtures of the polymorphs. The present invention also provides methods for preparing the novel polymorphs, as well as pharmaceutical compositions comprising same, and methods of using the polymorphs as pesticidal agents for combating noxious living organisms on agricultural and horticultural crops.
    Type: Application
    Filed: April 11, 2012
    Publication date: August 2, 2012
    Applicant: Makhteshim Chemical Works Ltd.
    Inventors: Shlomi Cohen, Sharona Zamir