Patents Represented by Attorney, Agent or Law Firm William A. Teoli, Jr.
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Patent number: 6313121Abstract: Metalaxyl having a high content of R-enantiomer of more than 70% by weight, or pure R-metalaxyl, in admixture with 4-[3-(4-chloropheny)-3-(3,4-dimethoxyphenyl)acryloyl]morpholine (“dimethomorpho”) or 3-anilino-5-methyl-5-(4-phenoxyphenyl)-1,3-oxazolidine-2,4-dione (“famoxadone”), exhibits a clearly enhanced fungicidal action against plant diseases compared with a mixture of the same kind in which metalaxyl is used in the form of a racemate.Type: GrantFiled: August 31, 1999Date of Patent: November 6, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Ruth Beatrice Küng, Micha Wicki, Cosima Nuninger, Martin Weiss
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Patent number: 6306798Abstract: A composition, which comprises at least one compound of the formula in which A1, A2, R1 and R2 are as defined in claim 1, or, if appropriate, an E/Z isomer, an E/Z isomer mixture and/or a tautomer thereof, in each case in free form or in agrochemically utilizable salt form, as active ingredient and at least one auxiliary, can used for pest control.Type: GrantFiled: January 21, 1999Date of Patent: October 23, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Friedrich Karrer, Roger Graham Hall
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Patent number: 6306888Abstract: A plant-microbicidal composition having synergistic action, comprising at least two active ingredient components, wherein component I is a compound selected from the group (IA) 1-[3-(2-chlorophenyl)-2-(4-fluorophenyl)oxiran-2-ylmethyl]-1H-1,2,4-triazole (“epoxiconazol”); (IB) 4-(4-chlorophenyl)-2-phenyl-2-(1,2,4-triazol-1-ylmethyl)-butyronitrile (“fenbuconazol”); (IC) 5-(4-chlorobenzyl)-2,2-dimethyl-1-(1H-1,2,4-triazol-1-ylmethyl)-cyclopentanol (“metconazol”); (ID) 2-(2,4-dichlorophenyl)-3-(1H-1,2,4-triazol-1-yl)propyl-1,1,2,2-tetrafluoroethyl ether (“tetraconazol”); (IE) &agr;-[2-(4-chlorophenyl)ethyl]-&agr;-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (“tebuconazol”); (IF) 1-[4-bromo-2-(2,4-dichlorophenyl)tetrahydrofurfuryl]-1H-1,2,4-triazole (“bromuconazol”); or in each case one of the salts or metal complexes thereof; and component II is (IIA) 1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolType: GrantFiled: April 13, 1999Date of Patent: October 23, 2001Assignee: Syngenta Investment CorporationInventors: Ronald Zeun, Gertrude Knauf-Beiter
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Patent number: 6297198Abstract: Compounds defined by the generic formula or an agriculturally acceptable salt thereof, wherein the letter R represents a lower alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, or alkenyl, each of which is optionally substituted, the symbol R1 represents a lower alkyl, haloalkyl or phenyl group, optionally substituted, X and Y are each independently a hydrogen, hydroxyl, halogen, cyano, alkylsulfenyl, alkylsulfinyl, alkylsulfonyl, acyloxy, carbamoyloxy, alkylsulfonyloxy, amino, substituted amino, acylamino, sulfamoyloxy, sulfamyl, or X and Y can be combined to be ═O, —S(CH2)mS— and —O(CH2)mO—, in which m is 2 or 3, the symbol Ar represents an aromatic ring moiety optionally substituted with from one to four groups and wherein two substituents on adjacent positions of the aromatic ring may be taken together with the two atoms to which they are attached, to form a 5- to 7-membered ring optionally substituted, and the letter Z represents —S—, —SO— oType: GrantFiled: April 29, 1997Date of Patent: October 2, 2001Assignee: Syngenta Participations AGInventor: Shy-Fuh Lee
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Patent number: 6294504Abstract: The present invention relates to new compounds of formula (I) wherein R1 to R3, U, V, W, Z and m have the significances given in the description, their use as antidotes, in herbicidal compositions for the control of weeds and plants in useful plant cultivation.Type: GrantFiled: June 24, 1999Date of Patent: September 25, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Hans Tobler, Henry Szczepanski, Werner Föry
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Patent number: 6277642Abstract: In a testing system for chemical substances or substance mixtures, especially for potential plant protection compositions, the chemical substance to be tested or the substance mixture to be tested is applied to a test specimen, especially to plants or parts of plants. When a predetermined period of time has elapsed, the test specimen is examined for the activity of the substance or substance mixture. For this purpose, first of all a type of test specimen is selected from a stock of test specimens, and the substances to be tested are selected from a stock of substances to be tested. The selected type of test specimen and the selected substances are identified (BC1, BC2) with a machine-readable code and those codes are supplied to a memory unit (12).Type: GrantFiled: February 16, 1999Date of Patent: August 21, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Jörg Mentzen, Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell
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Patent number: 6277849Abstract: The invention relates to novel pesticidally active compounds of the general formula I as well as possible isomers and isomeric mixtures thereof, wherein n is a number zero or one; and R1 is C1-C12alkyl that is unsubstituted or may be substituted by C1-C4alkoxy, C1-C4alkylthio, C1-C4alkylsulfonyl, C3-C8acycloalkyl, cyano, C1-C6alkoxycarbonyl, C3-C8alkenyloxycarbonyl, C1-C5alkynyloxycarbonyl; C3-C8cycloalkyl; C2-C12alkenyl: C2-C12alknyl; C1-C12haloalkyl or a group NR11R12; wherein R11, and R12 are each independently of the other hydrogen, C1-C6alkyl or together are tetra- or penta-methylene; R2 and R3 are each independently of the other hydrogen; C1-C8alkyl; C1-C8alkyl substituted by hydroxy, C1-C4alkoxy, mercapto or by C1C4alkylthio; C3-C8alkenyl; C3-C8alkynyl; C3-C8cycloalkyl; C3-C8acycloalkyl-C1-C4alkyl or wherein the two groups R2 and R3 together with the carbon atom to which they are bonded form a three- to eight-membered ring; R4, R5, R6 and R7 are identical or different and are eacType: GrantFiled: August 24, 1999Date of Patent: August 21, 2001Assignee: Syngenta Crop Protection, Inc.Inventor: Martin Zeller
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Patent number: 6277858Abstract: Novel pyrimidin-4-one and pyrimidin-4-thione derivatives of formula I wherein A is phenyl, thienyl (including all 3 isomers), thiazolyl, pyridyl or pyridazinyl; X is oxygen or sulfur; R1 is hydrogen, halogen or trimethylsilyl, R2 is hydrogen, halogen or trimethylsilyl; at least one of R1 and R2 is not hydrogen; R3 is C1-C8alkyl, C1-C8alkenyl, C1-C8alkinyl which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen, C1-C6alkoxy or C1-C6haloalkoxy; O—C1-C6alkyl, O—C2-C6alkenyl, O—C2-C6alkynyl, which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen or C1-C6alkoxy; N—C1-C6alkyl; or N═CHC1-C6alkyl; R4 is C1-C8alkyl, C1-C8alkeanyl, C1-C8alkinyl which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen, cyano, C1-C6alkoxy or C1-C6haloalkoxy; C1-C4alkoxy-C1-C4alkoxy; C1-C4alkoxy-C1-C4alkylthio; nitro; —CO—C1-C6alkyl; C3-C6cycloalkyl; or phenyl, which is unsubstituted or mono to tri-substiType: GrantFiled: March 9, 2000Date of Patent: August 21, 2001Assignee: Syngenta Crop Protection, Inc.Inventor: Harald Walter
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Patent number: 6274536Abstract: Compounds of the following formula I wherein wherein all variables are as defined in the specification and the pyrazoleN-oxides, agrochemically acceptable salts and stereisomers thereof useful as herbisdes.Type: GrantFiled: September 7, 1999Date of Patent: August 14, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Kurt Nebel, Alain De Mesmaeker, Jürgen Schaetzer
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Patent number: 6274569Abstract: An agrochemical composition, comprising at least two active ingredient components together with a suitable carrier, wherein component I is I) fludioxonil (=4-(2,2-difluoro-1,3-benzodioxol-4-yl)pyrrole-3-carbonitrile) and wherein component II is IIA) fluquinconazole (=3-(2,4-dichlorophenyl)-6-fluoro-2-(1H-1,2,4-triazol-1-yl)quinazolin) or IIB) 4,5-dimethyl-N-2-propenyl-2-(trimethylsilyl)-3-thiophencarboxamide which is especially suitable in the control and prevention of disease infestation on seed.Type: GrantFiled: March 21, 2000Date of Patent: August 14, 2001Assignee: Syngenta Crop Protection, Inc.Inventor: Birgit Forster
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Patent number: 6274776Abstract: Preparation of 2,5-dichlorophenol by selectively oxidizing 1,4-dichlorobenzene using a peroxo-, hydroperoxo-, superoxo- or alkylperoxo-metal species in the presence of an &agr;-hydroxy-, dibasic-, tribasic- or sulfonic acid.Type: GrantFiled: December 12, 1995Date of Patent: August 14, 2001Assignee: Syngenta ParticipationsInventors: Clive A. Henrick, Randall A. Scheuerman
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Patent number: 6274570Abstract: A liquid pesticidal composition, which is substantially free of water, comprising a hydrophobic pesticide or mixture of pesticides dissolved in an organic solvent and comprising as surfactants (a) a castor oil ethoxylate having 30-50 mol ethoxylate, (b) a branched C8-C18 alcohol ethoxylate having 5-10 mol ethoxylate, and (c) a tristyrenephenol-ethoxylate having 8-30 mol ethoxylate, or its phosphate or salt thereof. The compositions also include gels having a viscosity of 500 to 20,000 mPas and comprising additionally a gelling agent.Type: GrantFiled: December 22, 1998Date of Patent: August 14, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Manfred Vogt, William Baettig
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Patent number: 6271177Abstract: A selective herbicidal composition for controlling grasses and weeds in crops of cultivated plants comprising, in addition to customary formulation assistants, a) a herbicide selected from the group consisting of sulfonyl ureas, sulfonamides and imidazolinones; and b) a water-soluble iron compound.Type: GrantFiled: January 9, 1998Date of Patent: August 7, 2001Assignee: Syngenta Crop Protection, Inc.Inventor: Manfred Hudetz
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Patent number: 6268308Abstract: Compounds of formula (I) in which Qi is an unsaturated five-membered optionally substituted or condensed heterocyclic ring and X is O, S, SO or SO2, and agronomically tolerated salts/N-oxides/isomers/enantiomers of these compounds are suitable as herbicidesType: GrantFiled: December 17, 1999Date of Patent: July 31, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: André Stoller, Walter Kunz, Helmut Zondler, Christoph Lüthy, Jean Wenger
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Patent number: 6265585Abstract: A process for the preparation of a compound of formula (I), wherein X is a leaving group; which process comprises, a) for the preparation of a compound of formula (I) wherein X is —OS(═O)2A and A is as defined in the specification, reacting a compound of formula (II) with a sulfonylating agent; or, b) for the preparation of a compound of formula (I) wherein X is iodine, reacting a compound of formula (III) with an iodinating agent, preferably sodium iodide; or, c) for the preparation of a compound of formula (I) whrein X is bromine, reacting a compound of formula (IV) with a brominating agent; or, d) for the preparation of a compound (I) wherein X is chlorine or bromine, reacting a compound (V), wherein R and X are as defined in the specification, with a chlorinating agent, a compound of formula (Ib), the use thereof and a process for the preparation of a compound of formula (II) and a compound of formula (A) are described.Type: GrantFiled: July 15, 1999Date of Patent: July 24, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Thomas Pitterna, Peter Maienfisch, David John Wadsworth, Laurenz Gsell, Thomas Rapold, Henry Szczepanski
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Patent number: 6262058Abstract: The present invention relates to novel pyrimidin-4-one derivatives of formula I, which have pesticidal activity, in particular fungicidal activity, wherein R1=C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl, each of which is unsubstituted or substituted by halogen; R2=OR5; R3 and R4 are each independently of the other hydrogen, halogen; R5 is C1-C6alkyl or C3-C6cycloalkyl each unsubstituted or halogen-substituted; and A=thienyl.Type: GrantFiled: August 25, 1998Date of Patent: July 17, 2001Assignee: Syngenta Crop Protection, Inc.Inventor: Harald Walter
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Patent number: 6255251Abstract: Compounds of formula 1 wherein R1 and R2 are independently C1-C8alkyl, are suitable for use as herbicides.Type: GrantFiled: October 2, 2000Date of Patent: July 3, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Alain De Mesmaeker, Jürgen Schaetzer, Walter Kunz
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Patent number: 6252072Abstract: A process for the preparation of compounds of formula is described, wherein R1 is hydrogen or C1-C4-alkyl; R2 is hydrogen, C1-C6-alkyl, C3-C6-cycloalkyl or a radical —CH2B; A is an unsubstituted or mono- to penta-substituted, aromatic or non-aromatic, monocyclic to bicyclic heterocyclic radical; and B is phenyl, 3-pyridyl or thiazolyl, which are optionally substituted by one to rhee substituents; by means of the hydrolysis of a compound of formula wherein R1, R2 and A have the same significances as given for formula (I), and R3 signifies unsubstituted or substituted C1-C10-alkyl, C3-C6-cycloalkyl, phenyl or benzyl; whereby the reaction is carried out at a pH value of between 7 and 14, as well as starting materials for carrying out the process. The compounds of formula (I) are suitable as intermediates in the preparation of pesticidal compositions.Type: GrantFiled: December 8, 1999Date of Patent: June 26, 2001Assignee: Syngenta Crop Protection, Inc.Inventors: Peter Maienfisch, Hansjürg Widmer
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Patent number: 6248762Abstract: When used in admixture with mancozeb, chlorothalonil, a copper salt, folpet, fluazinam or cymoxanil (it being possible for the latter to be used also together with one of the other five components), metalaxyl having a high R-enantiomer content of more than 70% by weight, or pure R-metalaxyl, exhibits a markedly increased fungicidal action against plant diseases as compared with a similar mixture in which metalaxyl is used in the form of the racemate.Type: GrantFiled: May 17, 2000Date of Patent: June 19, 2001Assignee: Syngenta Investment CorporationInventors: Cosima Nuninger, John Edward Nicholas Goggin, Dino Sozzi
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Patent number: 6248748Abstract: Plant-protecting mixtures of active ingredients having a synergistically increased action, wherein component I is a compound having a plant-immunizing action of the formula I in which Z is CN, COOH or a salt thereof, CO—OC1-C4alkyl or CO—SC1-C4alkyl; and wherein component II is a compound selected from the group consisting of propiconazole, difenoconazole, penconazole, fenpropimorph, fenpropidine, cyprodinil, metalaxyl, R-metalaxyl and pyroquilon.Type: GrantFiled: June 30, 2000Date of Patent: June 19, 2001Assignee: Syngenta Investment CorporationInventors: Wilhelm Ruess, Gertrude Knauf-Beiter, Ruth Beatrice Küng, Helmut Kessmann