Patents Assigned to Rhone-Poulenc Agrochimie
  • Oxadiazolone derivative, production process thereof, and herbicide containing same
    Patent number: 4842640
    Abstract: A novel compound, 5-t-butyl-3-(4-chloro-2-fluoro-5-propargyloxy-phenyl)-1,3,4-oxadiazol-2-on e, useful as an active ingredient of a herbicide, and a production process thereof are disclosed.
    Type: Grant
    Filed: December 4, 1987
    Date of Patent: June 27, 1989
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Hidejiro Yokoo, Toshishiro Maruyama, Yasuhide Toshima, Yasuo Kobori
  • Process for preparation of substituted phenylureas
    Patent number: 4814499
    Abstract: Process for preparing a substituted phenylurea.A suitably substituted aniline, excess urea in a mole ratio of at least 1.1 with respect to the aniline, and a secondary amine are reacted simultaneously in a non-hydroxyl-containing organic solvent at a temperature of 130.degree. to 250.degree. C., with removal of ammonia as it forms.The phenylureas obtained are used as herbicides.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: March 21, 1989
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Jean C. Parron
  • Haloarylnitrile degrading gene, its use, and cells containing the gene
    Patent number: 4810648
    Abstract: Nitrilase enzymes specific for the hyrdolsis of the nitrile group of bromoxynil, nucleotide sequences encoding for such enzymes, and transformed cells in which the nitrilase expression if foreign are provided. The transformed cells are capable of expressing the nitrilase enzyme to provide detoxification of an environment and protect bromoxynil-sensitive cells from its cytotoxic effect. Particularly, plants are developed which are resistant to bromoxynil.E. coli MM294 strain (pBrx5) was deposited at the A.T.C.C. on Jan. 22, 1986 and given Accession no. 53435.E. coli MM294 strain (pBrx11) was deposited at the A.T.C.C. on June 18, 1987 and given Accession no. 67441.E. coli MM294 strain (pBrx23) was deposited at the A.T.C.C. on June 18, 1987 and given Accession no. 67442.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: March 7, 1989
    Assignee: Rhone Poulenc Agrochimie
    Inventor: David M. Stalker
  • Fungicidal compositions based on alkyl phosphites
    Patent number: 4806445
    Abstract: A fungicidal composition and method for the protection of vines against disease are provided. The composition which is applied to vines contains as active material a mixture of 1 part by weight of a monoester salt of a phosphorous acid of the formula ##STR1## in which R is an alkyl radical having 2 to 4 carbon atomsMe is an alkali metal, alkaline earth, or aluminum atomn is a whole number from 1 to 3 equal to the valence of Meand from 0.05 to 8 parts of at least one contact fungicide selected from the group consisting of compounds having a base of copper, the metallic ethylene bisdithiocarbamates, and the derivatives of phthalimide.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: February 21, 1989
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Daniel Horriere, Maurice Chazalet
  • Fungicidal composition based on iprodione
    Patent number: 4785013
    Abstract: Composition containing:a--from 20 to 40% of iprodione,b--an oil-in-water emulsion containing 50 to 160% by weight, relative to the iprodione, of an oil of which the hydrophilic/lipophilic balance has a value of 9 to 12, andc--from 0.1 to 2% by weight of an emulsifier of the ethylene oxide/fatty alcohol condensate type.Composition for the protection of plants against fungal diseases.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: November 15, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Albert Margossian
  • Process for the preparation of optically active aryloxyalkanoic acid compounds
    Patent number: 4766220
    Abstract: The invention relates to the preparation of optically active aryloxyalkanoic acid derivatives of the formula ##STR1## in which Ar represents an optionally substituted phenyl, naphthyl, phenoxy or pyridyloxy radical, R represents a C.sub.1 -C.sub.4 -alkyl radical and A represents a --COOR.sub.1, ##STR2## or --CO--Z radical, Z being halogen. It consists in reacting an aqueous or aqueous-organic solution of an optically active alkali metal salt of a 2-halogeno-alkanoic acid with an aqueous solution of an alkali metal salt of the phenol of the formula Ar-OH at an elevated temperature under a pressure less than the vapor pressure of water at the chosen temperature.It permits the preparation of aryloxyalkanoic acid derivatives with a very high content of the isomer having the D configuration, which can be used as herbicides.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: August 23, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Georges Gras
  • Preparation of herbicides containing a phosphonate group from intermediate benzoxazines
    Patent number: 4755614
    Abstract: Preparation of intermediates for herbicides of formula ##STR1## by the reaction of organic phosphites with benzoxazines of formulaBzx--CH.sub.2 --CO--Y (II)in whichBzx denotes the radical of formula: ##STR2## X is a usual substituent of phenols n is an integer from 0 to 4R.sup.1 and R.sup.2 are H or such that OR.sup.1 and OR.sup.2 are hydrolyzableY is --OM or --NR.sup.3 R.sup.4M is H or is such that COOM is a salt or an esterR.sup.3 and R.sup.4 are H or a hydrocarbon radical, and one of them can be R.sup.5 --SO.sub.2 --, andR.sup.5 is a hydrocarbon radical, substiuted if appropriate. Products obtained by the process and their use as herbicides.
    Type: Grant
    Filed: March 20, 1986
    Date of Patent: July 5, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Jean-Pierre Corbet
  • Herbicidal N-halo-5(substituted-phenoxy or -pyridyloxy)-2-substituted benzoic acid sulfonamides and sulfamates
    Patent number: 4744818
    Abstract: N-halo-5-(substituted-phenoxy or -pyridyloxy)-2-substituted benzoic acid sulfonamides and sulfamates, their preparation and use as herbicides are disclosed.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: May 17, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: El-Ahmadi I. Heiba
  • Derivatives of 2-(3-pyridyl)-2-phenylaminoacetic acid and their use as antifungals in the field of argriculture
    Patent number: 4743603
    Abstract: New derivatives of 2-(3-pyridyl)-2-phenylaminoacetic acid, of the formula: ##STR1## with: R.sub.0 : --CN, --COOH, CONH.sub.2, COOR.sub.4,R.sub.1 : H, lower alkyl, cycloalkyl, phenyl, if appropriate substituted, aralkyl if appropriate substituted,R.sub.2 : H, lower alkyl, if appropriate substituted,Ar: phenyl if appropriate substituted,Z: halogen, lower alkyl, lower alkoxy, lower alkylthio.They can be employed in agriculture for combating phytopathogenic fungi such as the sclerotiniaceae.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: May 10, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Jean P. Bulot
  • N-sulphonyl-N-[N'phosphonomethylglycyl]amine and derivatives as herbicides
    Patent number: 4738708
    Abstract: Herbidical compounds of the formula: ##STR1## in which R.sup.1 denotes an optionally substituted hydrocarbon radical, R denotes the hydrogen atom or has one of the meanings given for R.sup.1 ; R.sup.2 and R.sup.3 denote the hydrogen atom or are such that OR.sup.2 and OR.sup.3 are hydrolyzable groups; R.sup.4 denotes a hydrogen atom or a hydrogenolyzable group, and the agriculturally acceptable salts of these compounds.
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: April 19, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Borrod, Guy Lacroix
  • Process for the preparation of 3-alkyl-substituted glutaric acids and 2-alkyl-substituted succinic acids
    Patent number: 4739114
    Abstract: This invention relates to a novel method of preparing 3-alkyl-substituted glutaric acids and 2-alkyl-substituted succinic acids from 5-alkyl-substituted-1,3-cyclohexane-diones or 3-alkyl-substituted-5-ketohexanoic acids via transition-metal catalyzed oxidation.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 19, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Young J. Lee, Robert C. Ligon, Herbert E. Johnson
  • Process for preparing O-alkyl S-(alpha-branched alkyl) alkylphosphonothioate
    Patent number: 4720565
    Abstract: Process for preparing an O-alkyl S-(alpha-branched alkyl) alkylphosphonothioate of formula: ##STR1## with R and R.sub.1 =alkyl having 1 to 8 C. R.sub.2 =alpha-branched alkyl having 3 to 8 C.It consists in reacting an O-(alkyl)alkylphosphonic acid halide with an alkyl mercaptan HSR.sub.2 in an organic medium, in the presence of an acceptor for acid and a smaller amount of an auxiliary base.Process useful for preparing insecticidal and nematocidal products.
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: January 19, 1988
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Jean-Michel Brochard, Stanley T. D. Gough
  • Fungicidal compositions based on alkyl phosphites
    Patent number: 4698334
    Abstract: A fungicidal composition and method for the protection of vines against disease are provided. The composition which is applied to vines contains as active material a mixture of 1 part by weight of a monoester salt of a phosphorous acid of the formula ##STR1## in which R is an alkyl radical having 2 to 4 carbon atomsMe is an alkali metal, alkaline earth, or aluminum atomn is a whole number from 1 to 3 equal to the valence of Meand from 0.05 to 8 parts of at least one contact fungicide selected from the group consisting of compounds having a base of copper, the metallic ethylene bisdithiocarbamates, and the derivatives of phthalimide.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: October 6, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Daniel Horriere, Maurice Chazalet
  • Herbicides derived from aryloxybenzenecarboxylic acid imides
    Patent number: 4690708
    Abstract: A herbicide of the formula: ##STR1## in which: Z is N or CX',W, Y, Y', X, Z' and X' represent H, a halogen atom, NO.sub.2, CN or a polyhalogenoalkyl, alkyl or alkoxy group,R.sup.2 represents H, halogen, substituted alkyl, allyl, propargyl, CN, NR.sup.4 R.sup.5, C(X.sup.2)R.sup.7, C(X.sup.2)X.sup.3 R.sup.8, C(X.sup.2)NR.sup.4 R.sup.5, SO.sub.2 F, SO.sub.2 OR.sup.8, SO.sub.2 NR.sup.4 R.sup.5 or P(X.sup.2)R.sup.9 R.sup.10,R.sup.1 is halogen, X.sup.2 R.sup.3 or NR.sup.4 R.sup.5,R.sup.3 is optionally substituted alkyl or is allyl or propargyl,R.sup.4, R.sup.7 and R.sup.8 represent H, alkyl, cycloalkyl, phenyl, allyl, propargyl or the like,R.sup.5 represents R.sup.4, a cation or OR.sup.6, R.sup.6 being H, a cation or alkyl,X.sup.2 and X.sup.3 are O or S,R.sup.9 and R.sup.10 are H, alkyl, OH, OM or R.sup.1, andM is a cation.
    Type: Grant
    Filed: July 11, 1984
    Date of Patent: September 1, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Alain Chene, Guy Borrod
  • Substituted phenoxybenzoic acids and derivatives thereof as herbicides
    Patent number: 4681622
    Abstract: 2-Nitro-5-(substituted-phenoxy) benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective herbicides.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: July 21, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen
  • Concentrated aqueous suspensions based on neburon
    Patent number: 4678503
    Abstract: Herbicidal compositions based on neburon.These are concentrated aqueous suspensions containing, in addition to neburon and the usual wetting, dispersing and thickening adjuvants, a stabilizer of the formula: ##STR1## in which: X, Y and Z are identical or different and are H, halogen or C.sub.1 -C.sub.4 -alkyl and R is C.sub.1 -C.sub.3 -alkyl.The compositions can be used for selectively killing weeds in crops.
    Type: Grant
    Filed: August 12, 1982
    Date of Patent: July 7, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Denis Barlet, Dini Alain
  • (Arylthio)-pyridylalkanols and their use as fungicides
    Patent number: 4677128
    Abstract: (Arylthio)pyridylalkanol derivatives of the formula: ##STR1## in which: Ar denotes an optionally substituted aryl radical,R denotes a hydrogen atom or an optionally substituted alkyl radical, an optionally substituted aryl radical or an optionally substituted aralkyl radical,R.sub.1 denotes an alkyl radical, and n equals 0, 1, 2, 3 or 4.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: June 30, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Pierre Place, Claude Anding, Jean-Claude Debourge
  • Herbicides of the type N-(phosphonomethylglycyl)sulfonylamines process for forming N-(phosphonomethylglycyl) sulfonylamides
    Patent number: 4675429
    Abstract: Herbicidal compounds of formula: ##STR1## in which R.sup.1 denotes an optionally halogenated alkyl radical containing from 1 to 4 carbon atoms,R denotes the hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms,R.sup.2 denotes the hydrogen atom or R21,R.sup.21 and R.sup.3 denote optionally substituted aryl radicals,R.sup.4 denotes a hydrogen atom or a hydrogenolysable group R.sup.8,and the agriculturally acceptable salts of these compounds.
    Type: Grant
    Filed: January 14, 1986
    Date of Patent: June 23, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Guy Borrod, Guy Lacroix
  • Process for the preparation of meta-chloroanilines
    Patent number: 4647700
    Abstract: This invention relates to a process for the preparation of meta-chloroanilines. Polychloroanilines containing at least one chloroatom in the meta position are reacted with hydrogen iodide in a homogeneous aqueous or organic medium at a temperature between about 90.degree. and 250.degree. C. Gaseous hydrogen and solid catalysts are not required. The meta-chloroanilines are useful in the manufacture of agrochemical intermediates.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: March 3, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Cordier Georges
  • Halophenoxy benzamide herbicides
    Patent number: RE32550
    Abstract: 2-Nitro-5-(halophenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective pre- and post-emergence herbicides.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: November 24, 1987
    Assignee: Rhone-Poulenc Agrochimie
    Inventor: Robert J. Theissen