Patents Assigned to Shell Research Limited
  • Patent number: 5709871
    Abstract: A water dispersible solid formulation comprising an active ingredient, a surfactant of non-ionic type, a surfactant of anionic type and at least 30 wt % of urea is disclosed. A process of preparing the formulation and the use of the formulation for delivering an active ingredient, for example a pesticide or plant growth regulant to an agricultural or horticultural locus are also described.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: January 20, 1998
    Assignee: Shell Research Limited
    Inventor: Alister Christie Hill
  • Patent number: 5674520
    Abstract: 1. The use of a compound of the general formula ##STR1## in which n is 0 or 1Y represents a nitrogen atom or a CH groupX represents a nitrogen atom or a group CR.sup.2 wherein R.sup.2 represents a hydrogen atom, a nitro group or a substituted thio-methyl groupA represents an optionally substituted 5- or 6- membered heterocyclic ring having one or two hetero atoms selected from nitrogen and oxygen, or an optionally substituted aryl, alkenyl or alkynyl groupR ,if present, represents a hydrogen atom or an alkyl group andR.sup.1 represents a 3- or 4- membered alkylene chain optionally interrupted by a nitrogen and/or a sulphur atom, or having a terminal nitrogen and/or sulphur atom,for combating molluscs.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: October 7, 1997
    Assignee: Shell Research Limited
    Inventors: Antionio Mete, David Munro, John Stewart Badmin, Bipin Patel, Jamie Brian Mankee, Sarah Anne Davies
  • Patent number: 5653159
    Abstract: The barbecue comprises a gridiron (3) and cooking means (10,11,12) arranged laterally below said gridiron. These cooking means comprise a blue flame gas burner (10), as well as a radiant grille (12) and a deflector flap (11) which are movable with respect to the burner (10). Adjustment of the position of the flap (11) and the grille (12) with respect to the burner (10) allows the cooking mode (convection/radiation) to be varied.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: August 5, 1997
    Assignee: Shell Research Limited
    Inventors: Andre Quemin, Georges Le Strat
  • Patent number: 5616708
    Abstract: Compounds of the following formula are provided: ##STR1## in which R.sup.1 represents a hydrogen atom or an optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, aryl or aralkyl group,A and B both represent a nitrogen atom, or represents a group CR.sup.5 and B represents a nitrogen atom or a group CR.sup.6 ;R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent a hydrogen or halogen atom, a hydroxy or cyano group or an optionally substituted alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, aralkyl, aryl, alkylamino, alkylthio or alkoxy group; andl represents an integer from 1 to 3.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: April 1, 1997
    Assignee: Shell Research Limited
    Inventor: Waldemar F. A. Pfrengle
  • Patent number: 5599818
    Abstract: Spiroheterocyclic compounds having fungicidal activity are disclosed having the formula: ##STR1## in which X is O or CH.sub.2 ; R.sup.1 is hydrogen or optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, aryl or aralkyl; R.sup.2 is optionally substituted alkyl, cycloalkyl, cycloalkylalkyl, alkoxy, alkoxyalkyl, aryl or aryloxy, or together with the ring to which they are attached represents a polycyclic hydrocarbyl group; A and B both represent nitrogen, or A represents the group CR.sup.5 and B represents nitrogen or CR.sup.6 ; 1 is an integer from 1 to 3; m is zero or an integer from 1 to 6; and n represents zero or an integer from 1 to 3.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: February 4, 1997
    Assignee: Shell Research Limited
    Inventor: Waldemar F. A. Pfrengle
  • Patent number: 5597522
    Abstract: A smooth-surfaced tape or sheet of composite syntactic material made up of a polyolefin and, as filler, hollow microspheres, is formed by extrusion through a die having a land length to thickness ratio less than 7:1 at a temperature of about 215.degree. C. Such tapes are wrapped around pipes to provide insulation.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: January 28, 1997
    Assignee: Shell Research Limited
    Inventors: Alan D. Curzon, Ronald G. White, Aidan P. R. Jones
  • Patent number: 5489599
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: February 6, 1996
    Assignee: Shell Research Limited
    Inventors: Paul A. Carter, Steven J. Tapp, Nicholas J. Daniels
  • Patent number: 5470984
    Abstract: This invention relates to 1-dimethylcarbamoyl-3-substituted-5-substituted-1H-1,2,4-triazoles as defined herein, compositions containing those compounds and methods of use.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: November 28, 1995
    Assignee: Shell Research Limited
    Inventors: Richard M. Jacobson, J. Roger Ramsay, Harold E. Aller, Muthuvelu Thirugnanam
  • Patent number: 5462944
    Abstract: Spiroheterocyclic compounds having fungicidal activity are disclosed having the formula: ##STR1## in which X is O or CH.sub.2 ; R.sup.1 is hydrogen or optionally substituted alkyl, cycloalkyl, haloalkyl, alkenyl, alkynyl, aryl or aralkyl; R.sup.2 is optionally substituted alkyl, cycloalkyl, cycloalkylalkyl, alkoxy, alkoxyalkyl, aryl or aryloxy, or together with the ring to which they are attached represents a polycyclic hydrocarbyl group; A and B both represent nitrogen, or A represnts the gorup CR.sup.5 and B represents nitrogen or CR.sup.6 ; 1 is an integer from 1 to 3; m is zero or an integer from 1 to 6; and n represents zero or an integer from 1 to 3.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: October 31, 1995
    Assignee: Shell Research Limited
    Inventor: Waldemar F. A. Pfrengle
  • Patent number: 5426090
    Abstract: A method of combating undesired plant growth in wheat, comprising treating said undesired plant growth with an effective amount of a compound of the formula I ##STR1## in which n is an integer from 1 to 6;m is an integer from 0 to 2n+2;X represents an oxygen or sulphur atom or a sulphinyl or sulphonyl group;R.sup.1, R.sup.2 and R.sup.3 each independently represents a hydrogen or halogen atom, a formyl, cyano, carboxy or azido group, or an optionally substituted C.sub.1-12 alkyl, C.sub.2-12 alkenyl, C.sub.2-12 alkynyl, C.sub.1-12 alkoxy, C.sub.2-12 alkenyloxy, C.sub.2-12 alkynyloxy, C.sub.1-12 alkylthio, C.sub.2-12 alkenylthio, C.sub.2-12 alkynylthio, C.sub.1-12 alkylcarbonyl, C.sub.1-12 alkoxycarbonyl, amino, aminoxy or di-C.sub.1-12 alkyliminoxy group;Z represents a hydrogen or halogen atom, a hydroxy group, an optionally substituted C.sub.1-12 alkoxy, C.sub.2-12 alkenyloxy, C.sub.2-12 alkynyloxy, (C.sub.3-8 cycloalkyl)oxy, phenyloxy, C.sub.1-12 alkylthio, C.sub.2-12 alkenylthio, C.sub.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: June 20, 1995
    Assignee: Shell Research Limited
    Inventors: Alastair McArthur, Trevor W. Newton
  • Patent number: 5426089
    Abstract: Herbicidal compounds ##STR1## in which Q represents a group --C(O)--C(CN).dbd.CH--NR.sup.1 R.sup.2, R.sup.1 and R.sup.2 each independently represents alkyl, or together represent alkylene optionally interrupted by oxygen, m is O or m is an integer from 1 to 3 and the or each Y independently represents halogen or alkyl and n is O or n is an integer from 1 to 5 and the or each X independently represents halogen, alkyl, haloalkyl, cyanoalkyl, alkenyl, alkynyl, alkoxy, haloalkoxy, haloalkylthio, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, cyano, nitro, alkylsulphonyl, alkysulphinyl, sulphonamido, or phenyl optionally substituted by alkyl, haloalkyl, alkoxy or halogen.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: June 20, 1995
    Assignee: Shell Research Limited
    Inventors: Christopher J. Foster, Terence Gilkerson, Richard Stocker
  • Patent number: 5420099
    Abstract: A compound having the formula ##STR1## wherein A is CR.sub.7 ; and R.sup.1 through R.sup.7 are substituents such as hydrogen, halogen, branched and straight chain hydrocarbons, cyclic hydrocarbons, aromatics, and sulfur and nitrogen containing functional groups. Further, R.sup.5 and R.sup.6 may be taken together with the atom to which they are attached to form a group ##STR2## in which R.sup.9 and R.sup.10 are further functional groups. The compounds are useful in herbicidal compositions, particularly in combination with carriers and surfactants. A process for making this compound is also presented.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: May 30, 1995
    Assignee: Shell Research Limited
    Inventor: Trevor W. Newton
  • Patent number: 5420125
    Abstract: Nitromethylene compounds of general formula ##STR1## wherein R represents a hydrogen atom or an alkyl group, R.sup.1 represents a hydrogen atom or an alkyl group, n is 0 or 1, and Het represents an optionally substituted 3-pyridyl, 4-pyridyl or 5-isoxazolyl group, processes for their preparation, and their use as insecticides, are described.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: May 30, 1995
    Assignee: Shell Research Limited
    Inventors: David Munro, Bipin Patel
  • Patent number: 5399559
    Abstract: The invention relates to fungicidal compositions which comprise a carrier and, as active ingredient, an indole derivative of the formula ##STR1## in which R is a substituted phenyl group; R.sup.3 and R.sup.4 independently are hydrogen or halogen or an optionally substituted alkyl, alkoxy, cycloalkyl, phenyl or phenoxy group; R.sup.5 and R.sup.6 independently are hydrogen atom or an optionally substituted alkyl, alkoxy, cycloalkyl, phenyl or heterocyclyl group or R.sup.5 and R.sup.6 together with the interjacent nitrogen atom represent a heterocyclyl group; and R.sup.7 is hydrogen or alkyl group; and their use as fungicides. Certain of the above mentioned indole derivatives are novel and a process for the preparation of these compounds is also provided.
    Type: Grant
    Filed: June 3, 1993
    Date of Patent: March 21, 1995
    Assignee: Shell Research Limited
    Inventors: Jurgen Curtze, Guido Albert
  • Patent number: 5393770
    Abstract: A fungicidal composition which comprises a compound of general formula: ##STR1## or acid addition salts or metal complexes thereof, wherein R.sup.1 and R.sup.2 each independently represents a C.sub.1-5 alkyl group or a hydrogen atom; X represents a halogen atom, a C.sub.1-5 alkyl group or a phenyl group; n is 0, 1 or 2 and A represents a nitrogen atom or CH; and an aliphatic alcohol alkoxylate, for example an ethoxylate, with an average of 5-9 ethylene oxide units per molecule, of a C.sub.9-15 aliphatic alcohol, as adjuvant. It has been found that the presence of the alkoxylate substantially enhances the fungicidal efficacy of a compound of general formula I, in particular in foliar spray applications against fungi which are pathogenic to cereal crops.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: February 28, 1995
    Assignee: Shell Research Limited
    Inventor: Basil T. Grayson
  • Patent number: 5387580
    Abstract: Biocidal compositions comprising novel azophenyl compounds which are suitable as fungicidal agents are provided which comprise a carrier and, as active ingredient, a compound of the general formulaR--N.dbd.NX (I)or N-oxides thereof, where R represents a substituted phenyl group, at least one substituent thereof being a group of general formula --NR.sup.1 COR.sup.2, where R.sup.1 represents a hydrogen atom or an alkyl group, and R.sup.2 represents a hydrogen atom or an optionally substituted alkyl, alkoxy, alkenyl, alkenyloxy, phenyl or phenoxy group; and X represents a cyano group, a group --COOH or a salt, ester or amido derivative thereof.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: February 7, 1995
    Assignee: Shell Research Limited
    Inventors: William W. Wood, Thomas W. Naisby, Andrew C. G. Gray
  • Patent number: 5384305
    Abstract: Compounds of the formula ##STR1## wherein n is 1 to 5 and the/each X is hydrogen, halogen, cyano, nitro, optionally substituted alkyl or alkoxy alkenyloxy, alkynyloxy, haloalkylthio, alkenylthio or alkynylthio;m is 0 or 1 to 3 and the/each Y is halogen, alkyl or haloalkyl;Z is oxygen or sulphur;andR.sup.1 and R.sup.2 each, independently, is hydrogen, alkyl optionally substituted by halogen, hydroxy, cyano, alkoxy, alkylthio, alkoxycarbonyl, or mono- or di-alkylamino, alkenyl, alkynyl, hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkoxycarbonyl, amino, mono- or di-alkylamino, alkoxycarbonylamino, arylamino, dialkylcarbamoyl, cycloalkyl, or optionally substituted cycloalkylalkyl;orR.sup.1 and R.sup.2 together form an alkylene chain optionally interrupted by oxygen, sulphur or --NR--, R being hydrogen or alkyl;are herbicides.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: January 24, 1995
    Assignee: Shell Research Limited
    Inventors: Christopher J. Foster, Terence Gilkerson, Richard Stocker, Ian J. Gilmore
  • Patent number: 5366956
    Abstract: Herbicidal compounds ##STR1## in which Q represents a group --C(O)--C(CN).dbd.CH--NR.sup.1 R.sup.2, R.sup.1 and R.sup.2 each independently represents alkyl, or together represent alkylene optionally interrupted by oxygen, m is O or m is an integer from 1 to 3 and the or each Y independently represents halogen or alkyl and n is O or n is an integer from 1 to 5 and the or each X independently represents halogen, alkyl, haloalkyl, cyanoalkyl, alkenyl, alkynyl, alkoxy, haloalkoxy, haloalkylthio, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, cyano, nitro, alkylsulphonyl, alkysulphinyl, sulphonamido, or phenyl optionally substituted by alkyl, haloalkyl, alkoxy or halogen.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: November 22, 1994
    Assignee: Shell Research Limited
    Inventors: Christopher J. Foster, Terence Gilkerson, Richard Stocker
  • Patent number: 5360906
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl;Q is a linkage group of the formula --CHR.sup.2 -- or --CHR.sup.3 --CHR.sup.4 --where R.sup.2 is hydrogen or alkyl, R.sup.3 is hydrogen or alkyl, and R.sup.4 is hydrogen or alkyl;X is nitrogen or .dbd.CH--; andZ is halogen,show insecticidal activity. Also disclosed are the processes for producing the compounds and methods of using them as insecticides.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: November 1, 1994
    Assignee: Shell Research Limited
    Inventors: David Munro, Bipin Patel
  • Patent number: 5356924
    Abstract: Compounds of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each independently represents a halogen atom or an alkyl, alkoxy, haloalkyl, haloalkoxy, alkoxycarbonyl, alkenoxy, cyano or nitro group; R.sub.3 and R.sub.4 each independently represents a hydrogen atom or an alkyl group; R.sub.5 represents a hydrogen atom, or an alkyl, alkoxy or alkoxycarbonylalkyl group; X and Y each independently represents an oxygen or sulphur atom or a group N--R, in which R is a hydrogen atom or an alkyl group; n is 0-3; r is 0 or 1; m is 0-4; and A or B represents a group of the general formula: ##STR2## wherein R.sub.6 represents a hydrogen or halogen atom, or an alkyl group; and R.sub.7 represents a halogen atom or an alkyl group; the other of A and B being a hydrogen atom or as for R.sub.1 or R.sub.2, have useful pesticidal activity.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: October 18, 1994
    Assignee: Shell Research Limited
    Inventors: Martin Anderson, Antony G. Brinnand, Roger E. Woodall