Patents Represented by Attorney, Agent or Law Firm Barbara V. Maurer
  • Patent number: 6316430
    Abstract: The invention relates to an insecticidal and miticidal composition which contains as active ingredients chlorfenapyr in combination with one or more organophosphoric acid ester-type compounds and to a method for controlling insecticidal or miticidal pests which have acquired resistance to commercial insecticidal and miticidal agents.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: November 13, 2001
    Assignee: American Cyanamid Co.
    Inventor: Toshiki Fukuchi
  • Patent number: 6316629
    Abstract: There is provided a process for the preparation of 2,3-pyridinedicarboximides having the structural formula I The 2,3-pyridinedicarboximides are useful as intermediates in the preparation of herbicidal 2-(2-imidazolin-2-yl)nicotinic acids, esters and salts.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: November 13, 2001
    Assignee: American Cyanamid Co.
    Inventors: Kenneth Alfred Martin Kremer, Wen-Xue Wu, Donald Roy Maulding
  • Patent number: 6313295
    Abstract: An improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula I from carbamate compounds having the structural formula II
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventor: Venkataraman Kameswaran
  • Patent number: 6303783
    Abstract: There are provided 1-(3-heterocyclyphenyl)isothio-urea, -isourea, -guanidine and -amidine compounds of formula I Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: October 16, 2001
    Assignee: American Cyanamid Co.
    Inventor: Gary Mitchell Karp
  • Patent number: 6297251
    Abstract: The novel compounds of formula I: (R1, R2 and Hal are defined in the specification) show selective fungicidal activity. The new compounds are processed with carriers and adjuvants to fungicidal compositions.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: October 2, 2001
    Assignee: American Cyanamid Co.
    Inventors: Klaus-Juergen Pees, Guido Albert
  • Patent number: 6291721
    Abstract: An improved process for the preparation of 2-arylvinyl alkyl ether compounds of the structural formula I In addition, the present invention provides an improved process for the preparation of 1,4-diaryl-2-fluoro-2-butene compounds of the structural formula V
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: September 18, 2001
    Assignee: American Cyanamid Co.
    Inventors: Yulin Hu, David Allen Hunt, Weiguo Liu
  • Patent number: 6288011
    Abstract: Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds having the structural formula I and compositions and methods comprising those compounds for the control of insect and acarid pests.
    Type: Grant
    Filed: November 11, 1998
    Date of Patent: September 11, 2001
    Assignee: American Cyanamid Co.
    Inventors: Terence James Bentley, Keith Douglas Barnes
  • Patent number: 6284762
    Abstract: The novel compounds of formula I: (R1, R2, R3, L1, L2 and Hal are defined in the specification) show selective fungicidal activity. These compounds may be processed with carriers, and optionally an adjuvant, to produce fungicidal compositions.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: September 4, 2001
    Assignee: American Cyanamid Company
    Inventor: Waldemar Pfrengle
  • Patent number: 6281168
    Abstract: The invention relates to methods for protecting cereal crops from injury caused by a herbicidally effective amount of a herbicide, in particular, herbicides selected from the group consisting of AHAS-inhibiting, ACCase-inhibiting and HPPD-inhibiting herbicides, which comprises applying to the crop plant, the seed of the crop, or the soil surrounding the crop or crop seed an effective non-phytotoxic antidotal amount of a benzothiazole derivative of formula I wherein A represents an alkyl, alkoxy, haloalkoxy, hydroxy, cyano or nitro group or a group of the formula  in which W represents O or S, and R represents a hydroxy, thiol, alkoxy, thioalkyl, amino, alkylamino or dialkylamino group; and X represents CH or N; Also included are safened herbicidal compositions comprising a herbicidally effective amount of a herbicide and an effective nonphytotoxic antidotal amount a benzothiazole derivative of formula I.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: August 28, 2001
    Assignee: American Cyanamid Co.
    Inventors: Dale Lester Shaner, Helmut Siegfried Baltruschat, Norbert Nelgen
  • Patent number: 6281219
    Abstract: The present invention provides compounds of Formula I methods for their preparation and their use as acaricidal and insecticidal agents.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: August 28, 2001
    Assignee: American Cyanamid Co.
    Inventors: Salvatore John Cuccia, William Wakefield Wood, Brian Lee Buckwalter, John Francis Chiarello, Linda Barbara Fleming
  • Patent number: 6277783
    Abstract: A method is provided for purifying a crude N-acetyl-para-aminophenol (APAP) containing color bodies or their precursors, the method comprising: a) forming a hot aqueous solution of the crude APAP; and b) subsequently contacting the hot solution with an acid washed adsorbent carbon, e.g., an activated carbon, which acid washed carbon, prior to such contact, has been pretreated by contacting it with an aqueous solution of a reducing sulfite.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: August 21, 2001
    Assignee: BASF Corporation
    Inventors: Olan Stanley Fruchey, Edward G. Zey, Larry O. Wheeler
  • Patent number: 6277787
    Abstract: The present invention provides a method for the synergistic control of undesirable plants such as Ipomoea, Cyperus, Sida and Euphorbia which comprises applying to the plants or their locus a synergistically effective amount of a combination of glyphosate and an imidazolinone compound. Further provided are synergistic herbicidal compositions comprising glyphosate and an imidazolinone compound.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: August 21, 2001
    Assignee: American Cyanamid Co.
    Inventors: Timothy Malefyt, Robert M. Watkins, Frederick P. Salzman
  • Patent number: 6277856
    Abstract: Fungicidal compositions comprising an acceptable carrier and/or surface active agent and synergistically effective amounts of (a) at least one azolopyrimidine of formula I  in which R1, R2, L1, L2 and L3 have the meaning given in claim 1; and (b) at least one fungicidal active ingredient selected from benomyl, carboxin, captan, chlorothalonil, copper oxychloride, cyprodinil, dimethomorph, dithianon, dodine, famoxadone, fenhexamid, fenpiclonil, fenpropimorph, fluazinam, mancozeb, metalaxyl, pyrimethanil, quinoxifen, sulfur, triforine, vinclozolin, a fungicidal triazole derivative, and a synthetic strobilurine derivative. The invention also provides a method of controlling the growth of phytopathogenic fungi at a locus by applying synergistically effective amounts of at least one azolopyrimidine of formula I and at least one fungicidal active ingredient (b) to the locus.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: August 21, 2001
    Assignee: American Cynamid Co.
    Inventors: Henry Van Tuyl Cotter, Leslie May, Gunter Reichert, Ewald Sieverding
  • Patent number: 6268371
    Abstract: The invention relates to fungicidal composition comprising an acceptable carrier and/or surface active agent and synergistically effective amounts of (a) at least one azolopyrimidine of formula I  in which R1 through R2, L, A and n have the meaning given in claim 1; (b) and at least one melanin biosynthesis inhibitor (MBI), preferably a phenoxyamide of formula II  wherein R5 through R9, Y and m have the meaning given in claim 2; and to a method of controlling the growth of phythopathogenic fungi at a locus which comprises applying synergistically effective amounts of at least one azolopyrimidine of formula I (a) and at least one MBI (b) to the locus.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: July 31, 2001
    Assignee: American Cyanamid Co.
    Inventors: Ewald Sieverding, Leslie May
  • Patent number: 6262319
    Abstract: A process and intermediate compounds for the preparation of fluoroolefin compounds which are useful as pesticidal agents.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: July 17, 2001
    Assignee: American Cyanamid Co.
    Inventors: Keith Douglas Barnes, Yulin Hu, David Allen Hunt
  • Patent number: 6255309
    Abstract: The novel compounds of formula I: wherein (R1, R2, Hal and L1 through L5 are defined in the specification) show selective fungicidal activity. The new compounds may be processed with carriers and adjuvants to produce fungicidal compositions.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: July 3, 2001
    Assignee: American Cyanomid Co.
    Inventors: Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig, Leslie May, Waldemar Pfrengle
  • Patent number: 6242451
    Abstract: The novel compounds of formula I: (R1 to R5 and X are defined in the specification) show selective fungicidal activity, in particular against rice blast disease. The new compounds are processed with carriers and, optionally, an adjuvant to provide fungicidal compositions.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: June 5, 2001
    Inventor: Klaus-Juergen Pees
  • Patent number: 6242647
    Abstract: The present invention provides N-biphenylthiohydrazone derivatives of formula I and compositions and methods for the use thereof in the control of insect and acarid pests and for the protection of crops therefrom.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: June 5, 2001
    Assignee: American Cyanamid Company
    Inventors: Robert Eugene Diehl, David Allen Hunt, Susan Hensen Trotto
  • Patent number: 6232347
    Abstract: A compound of formula I or a pharmaceutically acceptable salt thereof in which R1 and R2 are independently H or methyl (for example N,N-dimethyl-1-[1-(4-chlorophenyl)cyclobutyl]-3-methylbutyl amine hydrochloride optionally in the form of its monohydrate) is used for treating osteoarthritis or gout.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 15, 2001
    Assignee: Knoll Pharmaceutical Company
    Inventors: Carl M. Mendel, Timothy B. Seaton, Steve P. Weinstein
  • Patent number: 6225484
    Abstract: The invention relates to an improved process for the preparation of a compound of formula I wherein R1 represents an optionally substituted aryl group, R2 represents an optionally substituted alkyl group, and R3 and R4 each individually represent an alkyl group; which comprises heating a mixture of a compound of formula II an alcohol, a tri-alkoxymethane, an acid and, optionally, an inert diluent.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: May 1, 2001
    Assignee: American Cyanamid Co.
    Inventors: Werner Simon, Thomas Petry