Patents Represented by Attorney Marian T. Thomson
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Patent number: 5627131Abstract: Herbicidal compositions containing 4-benzoylisoxazole compounds and antidotal compounds therefor to reduce injury to various crops, particularly corn, from the phytotoxic effects of 4-benzoylisoxazole herbicides when used alone or in combination with additional pesticidally active ingredients. Methods for reducing phytotoxicity or injury to crop plants, particularly corn crops, due to 4-benzoylisoxazole herbicides are also described.Type: GrantFiled: January 9, 1995Date of Patent: May 6, 1997Assignee: Zeneca LimitedInventors: John M. Shribbs, David L. Lee
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Patent number: 5599774Abstract: Substituted N-arylindoles, a process for producing them and their use as herbicides. In particular, substituted N-arylindoles of the formula ##STR1## are disclosed in which: R is hydrogen; halogen; nitro; cyano; alkyl; alkoxy; alkenyloxy; alkynyloxy; alkoxyalkyl; carbonylalkoxy; alkyloxyalkoxy; cyanoalkoxy; benzyloxy; alkoxycarbonylalkoxy; alkylcarbonylalkoxy; haloalkyl; hydroxalkyl; formyl; azido; carboxy or its salts; COOalkyl; amino; substituted amino wherein the substituents are alkyl, alkoxy, hydroxy, formyl, alkylcarbonyl, substituted alkylcarbonyl substituted with carboxy or alkoxycarboxy, alkylsulfonyl, haloalkylsulfonyl, aminocarbonyl, (di)alkylaminocarbonyl, alkoxycarbonyl, alkoxyalkyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, amino or (di)alkyl amino; carboxyamido; substituted carboxyamido wherein said substituents can be selected from alkyl, alkylsulfonyl, and haloalkylsulfonyl; sulfonamido wherein the N is substituted with hydrogen and/or alkyl; YR.sup.4 wherein Y is O or S(O).sub.m and R.sup.Type: GrantFiled: December 31, 1992Date of Patent: February 4, 1997Assignee: Imperial Chemical Industries PLCInventors: Ferenc M. Pallos, Christopher J. Mathews
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Patent number: 5595958Abstract: Herbicidal 3-substituted pyridine compounds and derivatives thereof of the formula: ##STR1## wherein Ar is a substituted or unsubstituted 5- or 6-membered heteroaryl group having 1, 2 or 3 ring nitrogen atoms with the remainder of the ring atoms being carbon; a substituted or unsubstituted 5-membered heteroaryl group having a ring heteroatom of oxygen or sulfur with the remainder of the ring atoms being carbon; or a substituted or unsubstituted 5-membered heteroaryl group having one ring nitrogen atom and either an oxygen or sulfur ring heteroatom with the remainder of the ring atoms being carbon. Herbicidal compositions containing such 3-substituted pyridine compounds and derivatives thereof and methods of controlling undesirable vegetation employing these compounds and derivatives are also disclosed. The compounds in which XR is hydroxyl are also useful as intermediates for producing the disclosed 3-substituted pyridine derivatives.Type: GrantFiled: May 2, 1994Date of Patent: January 21, 1997Assignee: Zeneca LimitedInventors: Hsiao-Ling M. Chin, Nhan H. Nguyen, David B. Kanne, David L. Lee
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Patent number: 5585513Abstract: A compound of the formula: ##STR1## useful as an intermediate in the preparation of fungicides.Type: GrantFiled: June 6, 1995Date of Patent: December 17, 1996Assignee: Zeneca LimitedInventors: Ian R. Matthews, Christoher R. A. Godfrey, John M. Clough
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Patent number: 5585327Abstract: 4-substituted pyridyl-3-carbinols of the formula ##STR1## wherein R is hydrogen, or an acyl, alkyl or carbamyl group exhibit desirable preemergent and postemergent herbicidal activity. Also disclosed are herbicidal compositions comprising such compounds and methods of controlling undesirable vegetation employing such compounds. The compounds wherein AR is hydroxyl serve as useful intermediates for the production of the alpha-benzyl substituted compounds as well as exhibiting herbicidal activity.Type: GrantFiled: May 2, 1994Date of Patent: December 17, 1996Assignee: Zeneca LimitedInventors: Hsiao-Ling Chin, Yi-Qiu Wei, Nhan H. Nguyen, Michael P. Ensminger, Linda Willitts, Derek P. Dagarin
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Patent number: 5565413Abstract: Herbicidal compounds have the formula ##STR1## in which: R.sub.1 is hydrogen, halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; cyano; thiocyano; or R.sub.7 S(O).sub.m - where m is 0, 1 or 2 and R.sub.7 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl;R.sub.2 and R.sub.3 are independently hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; R.sub.8 S(O).sub.2 O- or R.sub.8 S(O).sub.n - where n is 0, 1 or 2 and R.sub.8 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 cyanoalkyl, phenyl or benzyl; NR.sub.9 R.sub.10 where R.sub.9 and R.sub.10 are independently hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.11 CO- where R.sub.11 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, SO.sub.2 NR.sub.12 R.sub.13 where R.sub.12 and R.sub.13 are independently hydrogen, C.sub.1 -C.sub.Type: GrantFiled: December 6, 1994Date of Patent: October 15, 1996Assignee: Zeneca LimitedInventor: David B. Kanne
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Patent number: 5563112Abstract: A herbicidal composition comprising herbicidally effective amounts of a diphenyl ether of the formula ##STR1## at least one nitrogen containing fertilizer that is present in an amount that increases the herbicidal activity of said diphenyl ether; andone or more adjuvants.Type: GrantFiled: June 7, 1995Date of Patent: October 8, 1996Assignee: Zeneca LimitedInventor: Clyde J. Barnes III
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Patent number: 5506195Abstract: A method of selectively controlling undesirable vegetation in corn by applying an herbicidally effective amount of 2-(2'-nitro-4'-methylsulfonylbenzoyl)-1,3-cyclohexanedione to the locus of such vegetation.Type: GrantFiled: November 1, 1994Date of Patent: April 9, 1996Assignee: Zeneca LimitedInventors: Michael P. Ensminger, John M. Shribbs
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Patent number: 5504173Abstract: Process for preparing the (E)-isomer of a compound (II) by contacting the (E) or (Z) isomer of the 2-methylphenyl precursor, or a mixture of both, with bromine in an organic solvent, in the presence of a polymeric base and light.Type: GrantFiled: February 9, 1995Date of Patent: April 2, 1996Assignee: Zeneca LimitedInventors: Alfred G. Williams, Nicholas R. Foster
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Patent number: 5491156Type: GrantFiled: February 16, 1994Date of Patent: February 13, 1996Assignee: Zeneca LimitedInventors: Ian T. Streeting, deceased, Paul A. Worthington
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Patent number: 5468903Abstract: A process for preparing a compound comprising a monocyclic aromatic ring having at least a first substituent and a substituted sulphonyl group at the position para to the first substituent, the process comprising mixing a reactant comprising the monocyclic aromatic ring with the first substituent and hydrogen in the position of the ring para to the first substituent, with a sulphonic acid halide derivative in the presence of a naturally occurring or synthetic zeolite capable of catalyzing a sulphonylation reaction between the reactant and the sulphonic acid halide, under conditions in which the reaction will occur.Type: GrantFiled: March 1, 1993Date of Patent: November 21, 1995Assignee: Zeneca LimitedInventors: Kenneth R. Randles, Brian G. Gott, Stephen T. A. K. Daley
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Patent number: 5466693Abstract: A fungicidal, herbicidal or plant growth regulating composition for application to an aquatic environment, the composition comprising a solid carrier, a fungicidal, herbicidal or plant growth regulating active ingredient, and an oil with which the said active ingredient is miscible or in which it is capable of being dispersed, said oil being water-immiscible, having a specific gravity of less than 1 and a boiling point at atmospheric pressure of greater than 150.degree. C.The compostitions are particularly useful for application to a paddy-field to assist in the cultivation of rice.Type: GrantFiled: September 23, 1993Date of Patent: November 14, 1995Assignee: Imperial Chemical Industries PLCInventors: Roger P. Warrington, Guy Ramsay, Neal R. Bird
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Patent number: 5466662Abstract: A method for killing or controlling weeds in a soya crop, which method comprises applying to the crop or to the location thereof a compound of formula (I): ##STR1## in an amount sufficient to kill the weeds but insufficient to kill the crop.Type: GrantFiled: April 26, 1994Date of Patent: November 14, 1995Assignee: Zeneca LimitedInventors: Harjinder Singhbansal, John C. Ormrod
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Patent number: 5451681Abstract: A process for preparing a compound of formula (I) ##STR1## wherein X is oxygen or sulphur, by (a) reacting a substituted ortho-nitro or -nitroso phenol or a substituted ortho-nitro or -nitroso thiophenol with an alkali metal dithionite reducing agent in an alkaline reaction medium in the presence of carbon disulphide, to form a substituted 2-mercaptobenz-oxazole or -thiazole, acidifying the reaction mixture and collecting the 2-mercaptobenz-oxazole or -thiazole; and then (b) reacting the 2-mercaptobenz-oxazole or -thiazole with a compound of formula (IV)CF.sub.2 .dbd.CH--CH.sub.2 --CH.sub.2 --L (IV)wherein L is a good leaving group.Type: GrantFiled: December 29, 1994Date of Patent: September 19, 1995Assignee: Zeneca LimitedInventors: Harjinder S. Bansal, Peter J. V. Cleare
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Patent number: 5451566Abstract: Herbicidal 1-aryl pyrrolopyridine compounds of the formula: ##STR1## wherein at least one of Y, Z or J is N or N--O and the remainder of Y, Z or J is C--R.Type: GrantFiled: November 17, 1993Date of Patent: September 19, 1995Assignee: Zeneca LimitedInventor: Christopher J. Mathews
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Patent number: 5451594Abstract: The invention provides compounds of formula (I) having nematicidal, insecticidal, acaricidal and fungicidal properties, compositions comprising them and processes and intermediates for their preparation: ##STR1## wherein: X is oxygen or sulphur;n is 0, 1 or 2;R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are as described in the specification.Type: GrantFiled: September 10, 1993Date of Patent: September 19, 1995Assignee: Zeneca LimitedInventors: Steven Fitzjohn, Michael P. Robinson, Michael D. Turnbull, Alison M. Smith, Roger Salmon, Robin Taylor
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Patent number: 5444038Abstract: This invention relates to substituted aryl indazoles, a process for producing them and their use as herbicides. In particular this invention relates to substituted aryl indazoles of the formula ##STR1## wherein all variables are as defined in the specification.Type: GrantFiled: March 2, 1993Date of Patent: August 22, 1995Assignee: Zeneca LimitedInventors: Donald R. James, Don R. Baker, Steven D. Mielich, William J. Michaely, Steven Fitzjohn, Christopher G. Knudsen, Christopher Mathews, John M. Gerdes
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Patent number: 5439910Abstract: Compounds having formula (I) ##STR1## wherein R.sup.1, R.sup.2 and A are defined as in the specification. The compounds are useful as fungicides.Type: GrantFiled: October 12, 1993Date of Patent: August 8, 1995Assignee: Zeneca LimitedInventors: Paul J. de Fraine, John M. Clough, Paul A. Worthington, Brian L. Pilkington, Ian R. Matthews
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Patent number: 5438066Abstract: Fungicidal and insecticidal compounds having the general formula (I): ##STR1## or a stereoisomer thereof, wherein A is CH or N; B is OCH.sub.3 or NHCH.sub.3 ; one of L and M is N and the other is S or O; X is an optionally substituted carbocyclic or heterocyclic group; and n is 0 or 1.Type: GrantFiled: October 27, 1993Date of Patent: August 1, 1995Assignee: Zeneca LimitedInventor: Ian R. Matthews
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Patent number: 5430007Abstract: Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the remainder of the variables are as defined in the specification and agriculturally effective salts thereof are herbicides.Type: GrantFiled: January 3, 1994Date of Patent: July 4, 1995Assignee: Zeneca LimitedInventors: William J. Michaely, Jeff K. Curtis, Christopher G. Knudsen