Patents by Inventor Christopher John Urch
Christopher John Urch 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).
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Patent number: 6294545Abstract: A compound of formula (I) wherein A is a bidentate group of the formula: XC═CY or XCH—CHY (wherein X and Y are independently hydrogen, hydroxy, acyloxy, alkoxy, cyano or halogen); and Ar is optionally substituted phenyl or optionally substituted heteroaryl; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom; provided that when A is CH2—H2 then Ar is neither 5-chloropyrid-3-yl nor 5-trifluoromethylpyrid-3-yl; an insecticidal, acaricidal or nematicidal composition comprising an insecticidally, acaricidally or nematicidally effective amount of a compound of formula (I); a method of using a compound of formula (I) to combat or control insect, acarine or nematode pests; and processes for preparing a compound of said formula.Type: GrantFiled: May 12, 2000Date of Patent: September 25, 2001Assignee: Syngenta LimitedInventors: Christopher John Urch, Roger Salmon
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Patent number: 6291474Abstract: The invention provides a compound of formula (I): wherein A is CH═CH; Ar is an optionally substituted 5-membered heterocyclic ring system containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring, and R′ is hydrogen, cyano, hydroxy, alkyl, alkoxy, amino, nitro, isocyanato, acylamino, hydroxyalkyl, optionally substituted heteroaryl, alkoxyalkyl, haloalkyl, halohydroxyalkyl, aralkyloxyalkyl, acyloxyalkyl, amidoximido, sulfonyloxyalkyl, aminoalkyl, alkoxycarbonylamino, acylaminoalkyl, cyanoalkyl, imino, formyl, acyl or carboxylic acid or an ester or amide thereof, or alkenyl or alkynyl either of which is optionally substituted by halogen, alkoxy, cycloalkyl, optionally substituted aryl, optionally substituted heteroaryl or cyano; or an acid addition salt, quaternary ammonium salt or N-oxide derived thereType: GrantFiled: August 10, 2000Date of Patent: September 18, 2001Assignee: Zeneca LimitedInventors: Christopher Ian Brightwell, Christopher Richard Ayles Godfrey, Christopher John Urch, Matthew Brian Hotson, Raymond Leo Sunley, Roger Salmon, Terence Lewis
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Patent number: 6207676Abstract: A compound of formula (I): wherein R1 represents a group of formula (A) where each of W, X, Y and Z and Z represents either a group CR or the nitrogen atom, provided that not more than two of W, X, Y and Z represent the nitrogen atom and where each R present is independently selected from hydrogen and halogen atoms and cyano, amino, hydrazino, acylamino, hydroxy, alkyl, hydroxyalkyl, alkoxy, haloalkyl, haloalkoxy, alkenyl, alkenyloxy, alkoxyalkenyl, alkynyl, carboxylic acyl, alkoxycarbonyl, aryl and heterocyclyl groups, said groups comprising up to 6 carbon atoms, and wherein R2 represents hydrogen or cyano or a group selected from alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkanyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl or dithiocarboxyl groups, said groups comprising from 1 to 15 carbon atoms, said groups being optionally substituted with one or more substituents selecteType: GrantFiled: December 8, 1998Date of Patent: March 27, 2001Assignee: Zeneca LimitedInventors: Christopher John Urch, Roger Salmon, Terence Lewis, Christopher Richard Ayles Godfrey, Martin Stephen Clough
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Patent number: 6177442Abstract: The invention provides a compound of formula (I): wherein A represents a bidentate group of formula —CH2—X—CH2— (wherein X is methylene, sulfur or oxygen), X′C═CY or X′WC—CYZ (wherein X′, W, Y and Z are independently hydrogen, hydroxy, acyloxy, alkoxy, alkylsilyloxy, cyano or halogen, or X′ and W or Y and Z together with the carbon to which they are attached form a carbonyl group), provided that A is not CH2—CH2; Ar is an optionally substituted phenyl or 5- or 6-membered heterocyclic ring system containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring; aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkanyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, caType: GrantFiled: July 21, 1999Date of Patent: January 23, 2001Assignee: Zeneca LimitedInventors: Christopher John Urch, Terence Lewis, Raymond Leo Sunley, Roger Salmon, Christopher Richard Ayles Godfrey, Christopher Ian Brightwell, Matthew Brian Hotson
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Patent number: 6174894Abstract: The present invention provides a compound of Formula (I): wherein Ar is optionally substituted phenyl wherein the substutuents, if present, are selected from halogen atoms, cyano, alkyl, alkenyl, alkynyl, alkoxy, haloalkyl, haloalkenyl, alkylthio and alkyl amino groups; R represents hydrogen or cyano or a group selected from alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkenyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl, dithiocarboxyl or XR3 (where X represents oxygen or a group NR4); R3 and R4 are, independently, hydrogen, alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, heterocyclylalkyl, alkoxycarbonyl or carboxylic acyl each of which may be optionally substituted; R1 represents hydrogen, hydroxy, alkyl, alkoxy, amino, nitro, isocyanato, acylamino, hydroxyalkyl, optionally substituted heteroaryl, alkoxyalkyl, haloalkyl, halohydroxyalkyl, aralkyType: GrantFiled: July 21, 1999Date of Patent: January 16, 2001Assignee: Zeneca LimitedInventors: Christopher John Urch, Terence Lewis, Raymond Leo Sunley, Roger Salmon, Christopher Richard Ayles Godfrey, Christopher Ian Brightwell
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Patent number: 6093726Abstract: A compound of formula (I): ##STR1## wherein Ar is optionally substituted phenyl or optionally substituted 5-or 6-membered heterocyclic ring containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom, an insecticidal, acaricidal or nematicidal composition comprising a compound of formula (I) and a suitable carrier or diluent therefor, a method of combating and controlling insect, acarine or nematode pests at a locus which comprises treating the pests or the locus of the pests with an effective amount of a compound of formula (I) or a composition as hereinbefore described.Type: GrantFiled: November 13, 1997Date of Patent: July 25, 2000Assignee: Zeneca LimitedInventors: Christopher John Urch, Roger Salmon, Christopher Richard Ayles Godfrey
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Patent number: 6066646Abstract: A compound of formula (I):P--R.sup.2 --Q (I)where each of P and Q is, independently, a group of formula (B): ##STR1## wherein J is a bidentate group of formula --CH.sub.2 --X--CH.sub.2 -- (wherein X is methylene, sulfur or oxygen), X'C.dbd.CY or X'WC--CYZ (wherein X', W, Y and Z are independently hydrogen, hydroxy, acyloxy, alkoxy, alkylsilyloxy or halogen); R.sup.1 is an optionally substituted phenyl or 5-or 6-membered heterocyclic ring system containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring, wherein the substutuents, if present, are selected from halogen atoms, cyano, alkyl, alkenyl, alkynyl, alkoxy, haloalkyl, haloalkenyl, alkylthio and alkyl amino groups, any of which groups contain up to six carbon atoms; R.sup.Type: GrantFiled: February 12, 1999Date of Patent: May 23, 2000Assignee: Zeneca LimitedInventors: Nigel Douglas Bishop, Christopher John Urch, Terence Lewis, Raymond Leo Sunley, Roger Salmon, Christopher Richard Ayles Godfrey
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Patent number: 5968947Abstract: A compound of formula (I): ##STR1## wherein A represents a bidentate group of formula --CH.sub.2 --X--CH.sub.2 -- (wherein X is methylene, sulfur or oxygen), X'C.dbd.CY or X'WC--CYZ (wherein X', W, Y and Z are independently hydrogen, hydroxy, acyloxy, alkoxy, alkylsilyloxy, cyano or halogen, or X' and W or Y and Z together with the carbon to which they are attached form a carbonyl group), provided that A is not CH.sub.2 --CH.sub.2 ; Ar is an optionally substituted phenyl or 5-or 6-membered heterocyclic ring system containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring; aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkanyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl, dithiocarboxyl moieties of R, R.sup.3 and R.sup.Type: GrantFiled: November 13, 1997Date of Patent: October 19, 1999Assignee: ZENECA LimitedInventors: Christopher John Urch, Roger Salmon, Christopher Richard Ayles Godfrey, Matthew Brian Hotson
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Patent number: 5922732Abstract: A compound of formula (I): ##STR1## wherein R.sup.1 represents a group of formula (A) where each of W, X, Y and Z and Z represents either a group CR or the nitrogen atom, provided that not more than two of W, X, Y and Z represent the nitrogen atom and where each R present is independently selected from hydrogen and halogen atoms and cyano, amino, hydrazino, acylamino, hydroxy, alkyl, hydroxyalkyl, alkoxy, haloalkyl, haloalkoxy, alkenyl, alkenyloxy, alkoxyalkenyl, alkynyl, carboxylic acyl, alkoxycarbonyl, aryl and heterocyclyl groups, said groups comprising up to 6 carbon atoms, and wherein R.sup.Type: GrantFiled: May 24, 1996Date of Patent: July 13, 1999Assignee: Zeneca LimitedInventors: Christopher John Urch, Roger Salmon, Terence Lewis, Christopher Richard Ayles Godfrey, Martin Stephen Clough
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Patent number: 5912254Abstract: A compound of formula (I):P-R.sup.2 -Q (I)where each of P and Q is, independently, a group of formula (B): ##STR1## wherein J is a bidentate group of formula --CH.sub.2 --X--CH.sub.2 --(wherein X is methylene, sulfur or oxygen), X'C.dbd.CY or X'WC-CYZ (wherein X', W, Y and Z are independently hydrogen, hydroxy, acyloxy, alkoxy, alkylsilyloxy or halogen); R.sup.Type: GrantFiled: November 13, 1997Date of Patent: June 15, 1999Assignee: Zeneca LimitedInventors: Nigel Douglas Bishop, Christopher John Urch, Terence Lewis, Raymond Leo Sunley, Roger Salmon, Christopher Richard Ayles Godfrey
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Patent number: 5912388Abstract: A process for preparing an aldehyde or ketone comprising reacting a primary or secondary alcohol with oxygen in the presence of a base, a catalytic amount of a copper salt and a suitable lignad under anhydrous conditions.Type: GrantFiled: November 12, 1997Date of Patent: June 15, 1999Assignee: Zeneca LimitedInventors: Christopher John Urch, Istvan Ettienne Marko, Masao Tuskazaki, Paul Richard Giles, Stephen Martin Brown
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Patent number: 5849754Abstract: The present invention concerns bicyclic amine derivatives of formula (I): ##STR1## wherein R.sup.1 is an optionally substituted 5-membered heterocyclic ring system containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, wherein the substutuents, if present, are selected from halogen atoms, alkyl, alkenyl, alkynyl, alkoxy, haloalkyl, haloalkenyl, alkylthio and alkyl amino groups, any of which groups contain up to eight carbon atoms, and wherein two substituents may join to form a fused ring; R.sup.2 represents hydrogen or cyano or a group selected from alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkenyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl, dithiocarboxyl or XR.sup.3 (where X represents oxygen or a group NR.sup.4), provided that when R.sup.Type: GrantFiled: November 13, 1997Date of Patent: December 15, 1998Assignee: Zeneca LimitedInventors: Christopher John Urch, Terence Lewis, Raymond Leo Sunley
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Patent number: 5770741Abstract: The invention provides a process for the preparation of a compound of the general formula (I): ##STR1## wherein X, Y and R.sup.1 to R.sup.7 are as defined. In the process, the olefinic analog of the compound of general formula (I) is treated with a halogen-bearing compound in the presence of metallic zinc.Type: GrantFiled: May 19, 1995Date of Patent: June 23, 1998Assignee: Sandoz Ltd.Inventors: Patrick Jelf Crowley, Christopher John Urch, Paul Anthony Worthington