Patents Assigned to Rhone-Poulenc Agriculture Limited
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Patent number: 6369270Abstract: Compound of the formula are useful as intermediates to new 4-benzoylisoxazoles.Type: GrantFiled: October 19, 1999Date of Patent: April 9, 2002Assignee: Rhone Poulenc Agriculture LimitedInventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
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Patent number: 6323155Abstract: 4-Benzoylisoxazole derivatives of the formula wherein R is H or an ester; R1 is alkyl, haloalkyl or optionally substituted cycloalkyl; R2 is halogen, optionally halogenated alkyl, alkenyl or alkynyl; alkyl substituted with one or more —OR5; —NO2, —CN, —CO2R5, —S(O)pR6, —O(CH2)mOR5, —COR5, —NR5R6, —N(R8)SOqR7, —CONR9R10 or —OR51; or optionally substituted phenyl; R3 is —S(O)qR7; X is —N(R8)—; n is 0, 1, 2, 3, or 4; R5, R51 and R6 are independently H; optionally halogenated alkyl, alkenyl or alkynyl; optionally substituted phenyl; or cycloalkyl; R7 is optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or optionally substituted amino; R8 is H; optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or alkoxy; m is 1, 2 or 3; p is 0, 1 or 2; q is 0 or 2; and their use as herbicides are described.Type: GrantFiled: November 1, 1995Date of Patent: November 27, 2001Assignee: Rhone-Poulenc Agriculture LimitedInventors: Tibor Musil, Simon Neil Pettit, Philip Henry Gaunt Smith
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Patent number: 6114538Abstract: Compounds of the formula are useful as intermediates to new herbicidal 4-benzoylisoxazoles.Type: GrantFiled: October 19, 1999Date of Patent: September 5, 2000Assignee: Rhone Poulenc Agriculture LimitedInventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
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Patent number: 6048984Abstract: The invention relates to compounds of formula (I): and to their use as herbicides, and to intermediates useful in their preparation.Type: GrantFiled: August 19, 1999Date of Patent: April 11, 2000Assignee: Rhone-Poulenc Agriculture LimitedInventors: Kouichi Araki, Takako Brett, Kei Domom, Atsushi Go, Masahito Ito, Hideshi Mukaida, Yukiko Oe
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Patent number: 6013839Abstract: The invention relates to a process for preparing a 2-(thiosubstituted)-4-haloacetophenone such as those of formula (I), which comprises reacting a 2,4-dihaloacetophenone with a thiolating agent under substantially anhydrous conditions. In formula (I), R.sup.1 and R.sup.2 have the meanings given in the description and R.sup.3 is halogen. The compounds prepared are useful as intermediates in the preparation of herbicidally active compounds.Type: GrantFiled: November 4, 1998Date of Patent: January 11, 2000Assignee: Rhone-Poulenc Agriculture LimitedInventor: Susan Mary Cramp
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Patent number: 5998653Abstract: Compounds of the formula ##STR1## are useful as intermediates to new herbicidal 4-benzoylisoxazoles.Type: GrantFiled: May 19, 1997Date of Patent: December 7, 1999Assignee: Rhone Poulenc Agriculture LimitedInventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
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Patent number: 5977376Abstract: The invention relates to compounds of formula (I): ##STR1## and to their use as herbicides.Type: GrantFiled: July 17, 1998Date of Patent: November 2, 1999Assignee: Rhone-Poulenc Agriculture LimitedInventors: Kouichi Araki, Takako Brett, Kei Domom, Atsushi Go, Masahito Ito, Hideshi Mukaida, Yukiko Oe
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Patent number: 5859283Abstract: 4-Substituted isoxazole derivatives of formula I: ##STR1## wherein R, R.sup.1, R.sup.2, Q and n have the meanings defined in the description, which possess valuable herbicidal properties and intermediates useful in their preparation.Type: GrantFiled: February 11, 1998Date of Patent: January 12, 1999Assignee: Rhone-Poulenc Agriculture LimitedInventor: Susan Mary Cramp
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Patent number: 5856274Abstract: The invention relates to 4-benzoylisoxazoles having the formula: ##STR1## wherein: R is hydrogen or --CO.sub.2 R.sup.5 ;R.sup.1 is alkyl, cyclopropyl or 1-methylcyclopropyl;R.sup.2 is chlorine, bromine, optionally substituted alkyl, alkoxy, haloalkoxy, --S(O).sub.p R.sup.61, nitro or cyano;R.sup.3 is --S(O).sub.n R.sup.6 ;R.sup.4 is hydrogen, fluorine, chlorine, bromine, optionally substituted alkyl, alkoxy, S(O).sub.q R.sup.61, nitro, cyano or --CO.sub.2 R.sup.52 ;R.sup.5 and R.sup.61, which are the same or different, are each alkyl or haloalkyl;R.sup.52 is alkyl;R.sup.6 is alkyl, alkenyl or alkynyl optionally substituted by one or more halogen; andn, p and q, which are the same or different, are each zero, one or two;and their use as herbicides.Type: GrantFiled: September 14, 1995Date of Patent: January 5, 1999Assignee: Rhone-Poulenc Agriculture LimitedInventors: Susan Mary Cramp, Claude Lambert, Derek Ian Wallis, Thomas Yarwood
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Patent number: 5849928Abstract: The invention relates to compounds of formulae (Ia), (Ib) or (Ic): ##STR1## and to their use as herbicides.Type: GrantFiled: March 21, 1997Date of Patent: December 15, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventor: David William Hawkins
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Patent number: 5837652Abstract: The invention relates to a composition comprising(a) a 4-benzoylisoxazole herbicide; and(b) bromoxynil or ioxynil, or an agriculturally acceptable salt or ester thereof, or a mixture thereof;and to the use of this composition in controlling the growth of weeds.Type: GrantFiled: December 12, 1996Date of Patent: November 17, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventors: Gordon Anderson-Taylor, Stephen Malcolm Irons, Brian Malcolm Luscombe, Alan Gamblin
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Patent number: 5804532Abstract: Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R.sup.1, R.sup.2 R.sup.3, R.sup.4 and R.sup.5 are as defined in the description. The compounds are intended for use pre- and post-emergence as selective herbicides in maize and a large number of other monocotyledon crops.Type: GrantFiled: June 2, 1995Date of Patent: September 8, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventors: Paul Alfred Cain, Susan Mary Cramp, Claude Lambert, Derek Ian Wallis, Thomas David Yarwood, Gillian Mary Little, John Morris, Tibor Musil, Simon Neil Pettit, Philip Henry Gaunt Smith
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Patent number: 5801189Abstract: Use of 1-phenyl pyrazole derivatives for surface treatment to control cockroaches or ants.Type: GrantFiled: June 4, 1996Date of Patent: September 1, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventor: David Twinn
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Patent number: 5795846Abstract: The invention relates to herbicidal compositions comprising:(a) a 4-benzoylisozaxole of formula I: ##STR1## wherein R, R.sup.1 and R.sup.2 are as defined in the description and (b) a chloroacetamide herbicide.Type: GrantFiled: June 24, 1997Date of Patent: August 18, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventors: Alan Gamblin, Richard Henry Hewett
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Patent number: 5721193Abstract: The invention relates to oxime derivatives of formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 R.sup.4 and n are as defined in the specification. The invention is directed to compounds and agriculturally acceptable salts or metal complexes thereof, herbicidal compositions and a process for the preparation of the instant compounds.Type: GrantFiled: April 4, 1996Date of Patent: February 24, 1998Assignee: Rhone-Poulenc Agriculture LimitedInventors: Claude Lambert, John Morris
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Patent number: 5489570Abstract: The invention relates to isoxazole derivatives of formula (I): ##STR1## wherein: Ar represents phenyl optionally substituted by from one to three groups and wherein two substituents on adjacent positions of the phenyl ring, together with the two atoms to which they are attached, form a 5- to 7-membered ring which is optionally substituted;R represents the hydrogen atom or a group --CO.sub.2 R.sup.3 ;R.sup.1 represents alkyl, haloalkyl or optionally substituted cycloalkyl;R.sup.3 represents alkyl, alkenyl or alkynyl containing up to six carbon atoms which is optionally substituted by one or more halogen atoms;and their use as herbicides.Type: GrantFiled: July 29, 1994Date of Patent: February 6, 1996Assignee: Rhone-Poulenc Agriculture LimitedInventors: Neil Geach, David W. Hawkins, Christopher J. Pearson, Philip H. G. Smith, Nicolas White
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Patent number: 5480857Abstract: 4-heteroaroylisoxazole derivatives of formula I: ##STR1## wherein: Ar represents an optionally substituted group Het, wherein Het represents a first heterocyclic ring containing from one to four heteroatoms in the ring selected from oxygen, nitrogen and sulphur, which is optionally fused with a benzene, or carbocyclic or second heterocyclic ring (which is optionally saturated or partially saturated) to form a bicyclic system, wherein the first heterocyclic ring of the group Het is attached to the carbonyl group in the 4-position of the isoxazole ring;R represents hydrogen or --CO.sub.2 R.sup.3 ;R.sup.1 represents alkyl or haloalkyl or a cycloalkyl group optionally substituted by one or more groups R.sup.4 ;R.sup.3 and R.sup.4 independently represent alkyl or haloalkyl;agriculturally acceptable salts thereof and their use in weed control is described.Type: GrantFiled: September 17, 1993Date of Patent: January 2, 1996Assignee: Rhone-Poulenc Agriculture LimitedInventors: Susan M. Cramp, Philip H. G. Smith
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Patent number: 5405826Abstract: Pyrido[2,3-d]pyridazin-5-one and pyrido[2,3-d]pyridazin-5-thione derivatives of general formula (I): ##STR1## wherein R and R.sup.1 independently represent hydrogen, optionally halogenated alkyl, alkenyl or alkynyl, optionally substituted heterocycle or a group --[CR.sup.41 R.sup.42 ].sub.n -(phenyl)-(R.sup.3).sub.q ;R.sup.2 represents halogen, optionally halogenated alkyl, alkenyl or alkynyl, CN; --CO.sub.2 R.sup.4 ; --S(O).sub.r R.sup.4 ; --NO.sub.2 ; --NR.sup.41 R.sup.42 ; --OH; --COR.sup.4, --S(O).sub.r R.sup.5, --CO.sub.2 R.sup.5, --OR.sup.5 ; --CONR.sup.41 R.sup.42, --OSO.sub.2 R.sup.5, --OSO.sub.2 R.sup.6, --OCH.sub.2 R.sup.5, --N(R.sup.41)COR.sup.6, --N(R.sup.41)SO.sub.2 R.sup.5, --N(R.sup.41)SO.sub.2 R.sup.6, --SO.sub.2 NR.sup.41 R.sup.42, optionally substituted phenyl, alkoxy or haloalkoxy;X represents oxygen or sulphur;R.sup.3 represents halogen, optionally halogenated alkyl, alkenyl, alkoxy, alkynyl, --OH, --S(O).sub.r R.sup.4, --CO.sub.2 R.sup.4, COR.sup.4, --CN, --NO.sub.2, --NR.sup.41 R.sup.Type: GrantFiled: January 13, 1993Date of Patent: April 11, 1995Assignee: Rhone Poulenc Agriculture LimitedInventors: Richard H. Hewett, Simon N. Pettit, Philip H. G. Smith
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Patent number: 5374606Abstract: The invention relates to 4-benzoylisoxazole derivatives of formula (I): ##STR1## wherein: R represents the hydrogen atom or a group --CO.sub.2 R.sup.4 ;R.sup.1 represents alkyl, haloalkyl or optionally substituted cycloalkyl;R.sup.2 represents halogen, optionally halogenated alkyl, alkenyl or alkynyl, alkyl substituted by one or more groups --OR.sup.5 ; or a group selected from nitro, cyano, --CO.sub.2 R.sup.5, --S(O).sub.p R.sup.6, --O(CH.sub.2).sub.m OR.sup.5, --COR.sup.5, --NR.sup.61 R.sup.62, --N(R.sup.8)SO.sub.2 R.sup.7, --OR.sup.5, --OSO.sub.2 R.sup.7 and --(CR.sup.9 R.sup.10).sub.t --S(O).sub.q R.sup.7 ;R.sup.3 represents --S(O).sub.q R.sup.7 ;X represents --(CR.sup.9 R.sup.10).sub.t --;n represents zero or an integer from one to four;R.sup.4 represents alkyl or haloalkyl;R.sup.5 represents optionally halogenated alkyl, alkenyl or alkynyl;R.sup.6, R.sup.61 and R.sup.62, which may be the same or different, each represents alkyl, haloalkyl or optionally substituted phenyl;R.sup.Type: GrantFiled: February 3, 1994Date of Patent: December 20, 1994Assignee: Rhone-Poulenc Agriculture LimitedInventors: Susan M. Cramp, Claude Lambert, Gillian M. Little, John Morris
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Patent number: 5371063Abstract: The invention relates to 4-benzoylisoxazole derivatives of formula (I): ##STR1## wherein R represents hydrogen or --CO.sub.2 R.sup.4 ; R.sup.1 represents alkyl, haloalkyl or optionally substituted cycloalkyl;R.sup.2 represents halogen, alkyl, haloalkyl, alkyl substituted by one or more groups --OR.sup.5 ; ora group selected from nitro, cyano, --CO.sub.2 R.sup.5, --S(O).sub.p R.sup.6, --O(CH.sub.2).sub.m OR.sup.5, --COR.sup.5, --OR.sup.5 and --N(R.sup.8)SO.sub.2 R.sup.7 ;R.sup.3 represents --SO.sub.2 R.sup.7 ;X represents the oxygen atom;n represents zero or an integer from one to four;R.sup.4 represents alkyl or haloalkyl;R.sup.5 and R.sup.6, independently represent alkyl, haloalkyl or optionally substituted phenyl;R.sup.7 represents alkyl, haloalkyl, optionally substituted phenyl or --NR.sup.5 R.sup.6 ;R.sup.8 represents hydrogen, optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl, optionally substituted phenyl, --SO.sub.2 R.sup.6 or --OR.sup.Type: GrantFiled: February 3, 1994Date of Patent: December 6, 1994Assignee: Rhone-Poulenc Agriculture LimitedInventors: Susan M. Cramp, Tibor Musil, Simon N. Pettit, Philip H. G. Smith