Patents Assigned to Rhone-Poulenc Agriculture Limited
  • Patent number: 6369270
    Abstract: Compound of the formula are useful as intermediates to new 4-benzoylisoxazoles.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: April 9, 2002
    Assignee: Rhone Poulenc Agriculture Limited
    Inventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
  • Patent number: 6323155
    Abstract: 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: Grant
    Filed: November 1, 1995
    Date of Patent: November 27, 2001
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Tibor Musil, Simon Neil Pettit, Philip Henry Gaunt Smith
  • Patent number: 6114538
    Abstract: Compounds of the formula are useful as intermediates to new herbicidal 4-benzoylisoxazoles.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: September 5, 2000
    Assignee: Rhone Poulenc Agriculture Limited
    Inventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
  • Patent number: 6048984
    Abstract: The invention relates to compounds of formula (I): and to their use as herbicides, and to intermediates useful in their preparation.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: April 11, 2000
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Kouichi Araki, Takako Brett, Kei Domom, Atsushi Go, Masahito Ito, Hideshi Mukaida, Yukiko Oe
  • Patent number: 6013839
    Abstract: 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: Grant
    Filed: November 4, 1998
    Date of Patent: January 11, 2000
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventor: Susan Mary Cramp
  • Patent number: 5998653
    Abstract: Compounds of the formula ##STR1## are useful as intermediates to new herbicidal 4-benzoylisoxazoles.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: December 7, 1999
    Assignee: Rhone Poulenc Agriculture Limited
    Inventors: Angela Jacqueline Bailey, Michael Gingell, David William Hawkins
  • Patent number: 5977376
    Abstract: The invention relates to compounds of formula (I): ##STR1## and to their use as herbicides.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: November 2, 1999
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Kouichi Araki, Takako Brett, Kei Domom, Atsushi Go, Masahito Ito, Hideshi Mukaida, Yukiko Oe
  • Patent number: 5859283
    Abstract: 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: Grant
    Filed: February 11, 1998
    Date of Patent: January 12, 1999
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventor: Susan Mary Cramp
  • Patent number: 5856274
    Abstract: 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: Grant
    Filed: September 14, 1995
    Date of Patent: January 5, 1999
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Susan Mary Cramp, Claude Lambert, Derek Ian Wallis, Thomas Yarwood
  • Patent number: 5849928
    Abstract: The invention relates to compounds of formulae (Ia), (Ib) or (Ic): ##STR1## and to their use as herbicides.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: December 15, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventor: David William Hawkins
  • Patent number: 5837652
    Abstract: 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: Grant
    Filed: December 12, 1996
    Date of Patent: November 17, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Gordon Anderson-Taylor, Stephen Malcolm Irons, Brian Malcolm Luscombe, Alan Gamblin
  • Patent number: 5804532
    Abstract: 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: Grant
    Filed: June 2, 1995
    Date of Patent: September 8, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: 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
  • Patent number: 5801189
    Abstract: Use of 1-phenyl pyrazole derivatives for surface treatment to control cockroaches or ants.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: September 1, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventor: David Twinn
  • Patent number: 5795846
    Abstract: 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: Grant
    Filed: June 24, 1997
    Date of Patent: August 18, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Alan Gamblin, Richard Henry Hewett
  • Patent number: 5721193
    Abstract: 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: Grant
    Filed: April 4, 1996
    Date of Patent: February 24, 1998
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Claude Lambert, John Morris
  • Patent number: 5489570
    Abstract: 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: Grant
    Filed: July 29, 1994
    Date of Patent: February 6, 1996
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Neil Geach, David W. Hawkins, Christopher J. Pearson, Philip H. G. Smith, Nicolas White
  • Patent number: 5480857
    Abstract: 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: Grant
    Filed: September 17, 1993
    Date of Patent: January 2, 1996
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Susan M. Cramp, Philip H. G. Smith
  • Patent number: 5405826
    Abstract: 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: Grant
    Filed: January 13, 1993
    Date of Patent: April 11, 1995
    Assignee: Rhone Poulenc Agriculture Limited
    Inventors: Richard H. Hewett, Simon N. Pettit, Philip H. G. Smith
  • Patent number: 5374606
    Abstract: 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: Grant
    Filed: February 3, 1994
    Date of Patent: December 20, 1994
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Susan M. Cramp, Claude Lambert, Gillian M. Little, John Morris
  • Patent number: 5371063
    Abstract: 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: Grant
    Filed: February 3, 1994
    Date of Patent: December 6, 1994
    Assignee: Rhone-Poulenc Agriculture Limited
    Inventors: Susan M. Cramp, Tibor Musil, Simon N. Pettit, Philip H. G. Smith