Patents Represented by Attorney William E. Dickheiser
  • Patent number: 5562914
    Abstract: A composition of matter having a clay porous granule and a polyurethane matrix formed from the polymerization of a polyol and a polyisocyanate and held within the pores of the granule and having uniformly distributed throughout the polyurethane matrix a liquid material, for example, a pesticide and a method for loading a porous granule with the polyurethane and the liquid material by:(a) spraying a porous granule with a liquid composition comprising a polyol, a polyisocyanate and a liquid material to be retained in the porous granule, and(b) polymerizing the polyol and the polyisocyanate to form a polyurethane matrix polymer which has the liquid materials uniformly distributed throughout the polyurethane matrix.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: October 8, 1996
    Assignee: Zeneca Inc.
    Inventors: Herbert B. Scher, Marius Rodson
  • Patent number: 5350856
    Abstract: This invention relates to a process for producing a compound of the formula ##STR1## comprising reacting a compound having the formula ##STR2## with cyanogen chloride or cyanogen bromide.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: September 27, 1994
    Assignee: ICI Americas Inc.
    Inventor: Raymond A. Felix
  • Patent number: 5346902
    Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein Y is a specified small group or single atom and R.sup.1 and R.sup.2 are selected from a wide range of specified substituents.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: September 13, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine
  • Patent number: 5342837
    Abstract: Fungicidal compounds having the formula (I): ##STR1## and stereoisomers thereof, wherein A is hydrogen, halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, phenoxy, nitro or cyano; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocyclylalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted heterocyclyloxyalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heterocyclyl, optionally substituted aryloxy, optionally substituted heterocyclyloxy, nitro halo cyano, --NR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --S(O).sub.n R.sup.3 wherein is 0, 1 or 2, (CH.sub.2).sub.m PO(OR.sup.3).sub.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: August 30, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine, Ian R. Matthews
  • Patent number: 5334722
    Abstract: Fungicidal compounds of formula (I): ##STR1## in which X and Y are independently O or S, and A and R.sup.1 to R.sup.4 have various specified values.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: August 2, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Patrick J. Crowley, Alasdair T. Glen, Rosamund A. Spence, Kevin R. Lawson
  • Patent number: 5329041
    Abstract: 2-methyl-3-(substituted)-4-(substituted) benzoic acids or their alkyl ester that are useful to prepare herbicidal compounds.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: July 12, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventor: Nhan H. Nguyen
  • Patent number: 5324741
    Abstract: The compounds of formula (I): ##STR1## wherein R is (CH.sub.3).sub.2 CHCH.sub.2 -- or (CH.sub.3).sub.3 CCH.sub.2 --, or R is the group CH.sub.3 --O--(R.sup.1)CH-- where R.sup.1 is hydrogen or methyl, or R is a cycloalkyl group containing from 3 to 6 carbon atoms have nematicidal activity and the present invention discloses a method for killing or controlling nematode pests which comprises applying to the locus of the pests or to a plant susceptible to attack by the pest an effective amount of a compound of formula (I).
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: June 28, 1994
    Assignee: Imperial Chemical Industries plc
    Inventor: Michael D. Turnbull
  • Patent number: 5314892
    Abstract: Fungicidal compounds having the formula (I): ##STR1## in which any two of K, L and M are nitrogen and the other is CH; and X is an optionally substituted 3- to 6-membered heterocyclic ring containing at least one trivalent nitrogen atom by which it is attached to the central pyrimidine ring.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: May 24, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Ian T. Streeting, David P. Bacon
  • Patent number: 5314865
    Abstract: Compounds having the formula ##STR1## wherein R is C.sub.1 -C.sub.6 lower alkoxy; C.sub.1 -C.sub.6 lower alkylthio; 3- to 6-membered heterocycle or substituted heterocycle; phenyl or substituted phenyl; R.sub.1 is hydrogen or C.sub.1 -C.sub.3 lower alkyl; R.sub.2 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.3 lower alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.3 lower alkylalkoxy or combinations thereof; R.sub.3 and R.sub.4 are independently selected from the group consisting of hydrogen; C.sub.1 -C.sub.6 lower alkyl; C.sub.2 -C.sub.6 lower alkenyl; C.sub.2 -C.sub.6 lower alkenyl; 3- to 6-membered heterocycle or substituted heterocycle; alkyl heterocycle or substituted alkyl heterocycle; phenyl or substituted phenyl; and where R.sub.3 or R.sub.4 is a basic heterocycle, herbicidally acceptable organic or inorganic salts thereof are herbicidally active.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: May 24, 1994
    Assignee: ICI Americas Inc.
    Inventors: Francis H. Walker, Don R. Baker
  • Patent number: 5308826
    Abstract: 4-substituted pyridyl-3-carbinols of the formula ##STR1## wherein R is hydrogen, or an acyl, alkyl or carbamyl group exhibit desirable preemergent and postemergent herbicidal activity. Also disclosed are herbicidal compositions comprising such compounds and; a method of controlling undesirable vegetation employing such compounds. The compounds wherein AR is hydroxyl serve as useful intermediates for the production of the alpha-benzyl substituted compounds as well as exhibiting herbicidal activity.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: May 3, 1994
    Assignee: Zeneca Limited
    Inventors: Hsiao-Ling M. Chin, Yi Q. Wei, Nhan H. Nguyen
  • Patent number: 5300478
    Abstract: Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the variables are as defined in the specification; and agriculturally acceptable salts thereof.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: April 5, 1994
    Assignee: Zeneca Limited
    Inventors: William J. Michaely, Jeff K. Curtis, Christopher G. Knudsen
  • Patent number: 5300680
    Abstract: A compound of formula (I) ##STR1## where R.sup.1, R.sup.2, and R.sup.3 are alkyl or aralkyl or any two of R.sup.1, R.sup.2, and R.sup.3 together form a cycloalkyl ring and Y is S or S(O) is prepared by reacting N-phosphonomethylglycine with a compound of formula (II) ##STR2## where m is 0 or 1 in the presence of a base. A preferred compound of formula (I) is trimethylsulphonium N-phosphonomethylglycine and a preferred compound of formula (II) is trimethylsulphonium hydrogen sulphate.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: April 5, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Raymond V. H. Jones, Elizabeth S. C. Simpson
  • Patent number: 5258547
    Abstract: A process for preparing halogenated compounds of formula RCY(Z)CH.sub.2 CH(X)C(CH.sub.3)CH.sub.2 COR.sup.1 where X, Y and Z are halo, R is alkyl, halo, haloalkyl or aryl, and R.sup.1 is hydroxy, halo, alkoxy, alkyl or haloalkyl, or the residue of a pyrethroidal alcohol, in which a compound of formula CH.sub.2 =CHC(CH.sub.3).sub.2 COR.sup.1 is reacted with a sulphonyl halide of formula RCY(Z)SO.sub.2 X. The process avoids the use of volatile halocarbons in the production of valuable intermediates for insecticides.
    Type: Grant
    Filed: January 9, 1992
    Date of Patent: November 2, 1993
    Assignee: Imperial Chemical Industries plc
    Inventor: Gary N. Sheldrake
  • Patent number: 5242625
    Abstract: Process for the preparation of compounds of formula (I):Y--Mg--X (I)wherein Y is allyl, or an optionally substituted phenyl or optionally substituted benzyl group, and X is a halogen, by reaction of a compound of formula (II):Y--X (II)wherein Y and X have the meanings given above, with magnesium in tertiary-butylmethyl ether solvent, characterized in that the molar ratio of magnesium to compound of formula (II) is from 1:1 to 2:1 and the reaction is carried out at 45.degree. C. or above.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: September 7, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Raymond V. H. Jones, Robert C. Ewins, Robert M. Mellor
  • Patent number: 5238956
    Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein Y is a specified small group or single atom and R.sup.1 and R.sup.2 are selected from a wide range of specified substituents.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: August 24, 1993
    Assignee: Imperial Chemical Industries plc
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine
  • Patent number: 5221691
    Abstract: Fungicidal compounds having the formula (I): ##STR1## and stereoisomers thereof, wherein A is hydrogen, halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, phenoxy, nitro or cyano; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocyclylalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted heterocyclyloxyalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heterocyclyl, optionally substituted aryloxy, optionally substituted heterocyclyloxy, nitro, halo, cyano, --NR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --S(O).sub.n R.sup.3 wherein n is 0, 1 or 2, (CH.sub.2).sub.m PO(OR.sup.3).sub.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: June 22, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine, Ian R. Matthews
  • Patent number: 5215581
    Abstract: A particulate inorganic solid, especially hydrated alumina or magnesium hydroxide, which has been treated with a hydroxybenzene derivative of a defined type, particularly a gallate. The treated solid may be incorporated into a polymer especially a thermoplastic polymer such as polypropylene. Alternatively, the solid, the hydroxybenzene derivative and the polymer can be blended together. The composition obtained can be processed even when containing 70% by weight of the inorganic solid.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: June 1, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: David Stewart, Robert S. Whitehouse
  • Patent number: 5209459
    Abstract: Process for the preparation of compounds of formula (I):Y--Mg--X (I)wherein Y is an optionally substituted phenyl or benzyl, and X is a halogen, by reaction of a compound of formula (II):Y--X (II)wherein Y and X have the meanings given above, with magnesium in a solvent, characterized in that the solvent is an acetal of formula (III): ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl having from 1 to 6 carbon atoms or when taken together form a dioxolane ring, and R.sup.3 is hydrogen or alkyl having from 1 to 6 carbon atoms.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: May 11, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Raymond V. H. Jones, John M. Bloomer
  • Patent number: 5208239
    Abstract: Fungicidal compounds having the formula (I): ##STR1## wherein R.sup.1 is an optionally substituted phenyl group, C.sub.3-6 cycloalkyl optionally substituted by alkyl or alkyl; R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are independently hydrogen, C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy or N'R"; Z is a linking group and is --C.tbd.C--, --CR.sup.8 .dbd.CR.sup.10 -- or --CR.sup.8 R.sup.9 --CR.sup.10 R.sup.11 --; R.sup.8, R.sup.9, R.sup.10, R.sup.11, R' and R" are independently hydrogen or C.sub.1-4 alkyl; provided that when R is alkyl Z is not --CR.sup.8 R.sup.9 --CR.sup.10 R.sup.11 --; and acid addition salts or metal complexes thereof; and processes for preparing then, compositions comprising them and methods of using them to combat fungi.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: May 4, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Michael J. Robson, Paul A. Worthington
  • Patent number: 5208030
    Abstract: A method of making a dosage device comprises admixing at least one active ingredient which is in solid form at 25.degree. C. and which has an average particle size of less than 5 microns, with a disintegrating agent, to provide a compressible mix; and compressing the mix into a unitary dosage device.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: May 4, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: John Hoy, Phillipus J. van Rensburg