Patents by Inventor Alan J. Whittle

Alan J. Whittle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5228721
    Abstract: A crimp ring fitting for connection to plastic or composite piping, the fitting including a spigot having one or more circumferentially extending ribs for engagement with the inner surface of the piping, a shoulder from which the spigot extends, a resilient sleeve extending coaxially with and spaced apart from the spigot, the sleeve terminating at one end in an inwardly directed flange adjacent the shoulder for retaining the sleeve about the spigot and at the other end in an outwardly directed flange, and a crimp ring slidably mounted over the sleeve for crimpable attachement of the fitting to the pipe, in use the outwardly directed flange preventing axial movement of the crimp ring along the pipe.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: July 20, 1993
    Assignee: James Hardie Plumbing & Pipelines Pty. Limited
    Inventors: Alan J. Whittle, Robert B. Podnar
  • Patent number: 5225607
    Abstract: This invention relates to novel fluorinated ethers, useful as insecticides and acaricides, to processes and intermediates for their preparation, to insecticidal and acaricidal compositions thereof and to methods of combating and controlling insect and acarine pests therewith.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: July 6, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Michael J. Bushell, Robin A. E. Carr, Alan J. Whittle
  • Patent number: 5196610
    Abstract: A compound of formula: ##STR1## wherein W represents one or two substituents selected from halo, alkyl, alkoxy, alkoxyalkyl, haloalkyl and haloalkoxy, or W represents a bidentate group linking adjacent carbon atoms selected from alkylene and alkylenedioxy; Z represents a fluoroalkyl group of up to two carbon atoms; Y represents a substituted aryl group where such substituent is selected from halo, alkyl, aryl, aralkyl, aryloxy and arylamino; and either X' is hydrogen and X is selected from hydrogen, halo, hydroxy, alkoxy and aryloxy, or X and X' together represent a second bond between the adjacent carbon atoms. The compounds have useful insecticidal properties.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: March 23, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Michael J. Bushell, Alan J. Whittle, Robin A. E. Carr
  • Patent number: 5187176
    Abstract: Phenyl substituted heterocyclic compounds having insecticidal activity have the formula (I): ##STR1## wherein R.sup.1 is an optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro, cyano or a group --CX--NY.sup.1 Y.sup.2 ; R.sup.3 and R.sup.5 are hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 ; and Y.sup.1 and Y.sup.2 are independently selected from hydrogen, nitro, amino or optionally substituted alkyl or Y.sup.1 and Y.sup.2 together with the nitrogen to which they are attached form an aliphatic heterocyclic group or form the group .dbd.CHY.sup.3 or Y.sup.1 is hydrogen and Y.sup.2 is alkoxycarbonyl, alkylcarbonyl, optionally substituted aralkyl or --S(O).sub.n R.sup.6.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: February 16, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Roger Salmon, Raymond L. Sunley, Alan J. Whittle
  • Patent number: 5149810
    Abstract: A pyrimidinone compound of formula (IIIA) or (VA): ##STR1## wherein R.sup.13 is hydrogen, halogen or cyano and R.sup.14 is halo or haloalkyl with the proviso that (a) when R.sup.13 is cyano, R.sup.14 is other than chlorine; (b) R.sup.13 and R.sup.14 are not both halo; (c) when R.sup.13 is halo R.sup.14 is other than monofluoromethyl; and (d) when R.sup.13 is hydrogen R.sup.14 is not halo or a halomethyl group; ##STR2## wherein R.sup.10 is hydrogen or C.sub.1-4 alkyl; R.sup.15 is cyano and R.sup.16 is R.sup.6 is defined in relation to formula (V) or R.sup.15 is hydrogen or halogen other than fluorine and R.sup.16 is pentafluoroethyl or difluoromethyl. These compounds are useful as intermediates in the preparation of insecticidal compounds.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: September 22, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Trevor R. Perrior, David J. Tapolczay, Alan J. Whittle
  • Patent number: 5109004
    Abstract: A phenyl substituted heterocyclic compound of formula (I): ##STR1## wherein R.sup.1 is optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro or cyano; R.sup.3 and R.sup.5 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 where R.sup.6 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2; having insecticidal activity.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: April 28, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Nicola J. Bettesworth, Maureen Smith, Trevor R. Perrior, Alan J. Whittle, Alfred G. Williams, Donn W. Moseley
  • Patent number: 5104878
    Abstract: A compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, haloalkyl, alkoxy or nitro, provided that R.sup.1 and R.sup.2 are not both nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.5 is halogen, nitro, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.6 is halogen, nitro, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.7 is hydrogen, halogen, hydroxyalkyl, cyano, nitro, alkoxy, --S(O).sub.n R.sup.10, NR.sup.11 R.sup.12, haloalkyl or formyl; R.sup.8 is hydrogen, halogen, NR.sup.11 R.sup.12, alkyl, cycloalkyl or S(O).sub.n R.sup.10 ; and R.sup.9 is oxygen or sulphur; where n is 0, 1 or 2; and R.sup.10 is alkyl, haloalkyl or cycloalkyl; and R.sup.11 and R.sup.12 are independently selected from hydrogen, alkyl or cycloalkyl or R.sup.11 and R.sup.12 together with the nitrogen to which they are attached form a heterocyclic group; provided that when R.sup.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: April 14, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alan J. Whittle, Trevor R. Perrior, Raymond L. Sunley
  • Patent number: 5077297
    Abstract: Insecticidal compounds of formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from halogen or nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen or halogen; R.sup.5 is hydrogen, halogen or cyano; and R.sup.6 is halogen or haloalkyl; provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are not all fluorine.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: December 31, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Trevor R. Perrior, David J. Tapolczay, Alan J. Whittle
  • Patent number: 5010200
    Abstract: This invention provides novel insecticidally and acaricidally active pyrimidine derivatives of formula (I): ##STR1## and stereoisomers thereof, wherein R.sup.1 is selected from alkyl; alkenyl; alkynyl; haloalkyl; haloalkenyl; and cycloalkyl optionally substituted by alkyl or halogen;R.sup.2 is selected from alkyl; haloalkyl; alkoxy; alkylamino; dialkylamino; halogen; cycloalkyl optionally substituted by halogen or alkyl; and phenyl optionally substituted by alkyl, haloalkyl, halogen or alkoxy;R.sup.3 is selected from hydrogen and halogen;R.sup.4 is the residue of an alcohol of formula R.sup.4 -OH which forms an insecticidal ester when combined with chrysanthemic acid, permethrin acid or cyhalothrin acid; andX is selected from oxygen and sulphur.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: April 23, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Edward McDonald, Roger Salmon, Alan J. Whittle, Michael G. Hutchings
  • Patent number: 4990512
    Abstract: An insecticidal compound of formula (I): ##STR1## wherein R.sup.1 and R.sup.3 are independently selected from hydrogen; halogen; nitro; cyano; or alkyl, alkoxy, alkylthio or cycloalkyl any of which can be optionally substituted by halogen; R.sup.2 is hydrogen; halogen; nitro; cyano; alkyl, alkoxy or alkylthio any of which may be optionally substituted with halogen; or S(O).sub.n R.sup.8, where R.sup.8 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2;R.sup.4 is hydrogen; halogen; nitro; cyano; or alkyl, alkoxy or alkythio any of which may be optionally substituted with halogen; R.sup.5 is hydrogen; halogen; nitro; cyano; alkyl, alkoxy alkylthio any of which can be optionally substituted with halogen; or NR.sup.9 R.sup.10 where R.sup.9 and R.sup.10 are independently selected from hydrogen, alkyl or cycloalkyl; R.sup.6 is hydrogen; halogen; nitro; cyano; alkyl, alkoxy or alkylthio any of which can be optionally substituted with halogen; or S(O).sub.n R.sup.8 ;R.sup.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: February 5, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventors: Trevor R. Perrior, Alan J. Whittle, David J. Tapolczay
  • Patent number: 4962109
    Abstract: This invention provides novel insecticidally and acaricidally active pyrimidine derivatives of formula (I): ##STR1## and stereoisomers thereof, wherein R.sup.1 is selected from alkyl; alkenyl; alkynyl; haloalkyl; haloalkenyl; and cycloalkyl optionally substituted by alkyl or halogen;R.sup.2 is selected from alkyl; haloalkyl; alkoxy; alkylamino; dialkylamino; halogen; cycloalkyl optionally substituted by halogen or alkyl; and phenyl optionally substituted by alkyl, haloalkyl, halogen or alkoxy;R.sup.3 is selected from hydrogen and halogen;R.sup.4 is the residue of an alcohol of formula R.sup.4 --OH which forms an insecticidal ester when combined with chrysanthemic acid, permethrin acid or cyhalothrin acid; andX is selected from oxygen and sulphur.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: October 9, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Edward McDonald, Roger Salmon, Alan J. Whittle
  • Patent number: 4904677
    Abstract: A compound of the formula:CXY.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 Rwherein X and Y are each selected from hydrogen and halogen, R.sup.1 and R.sup.2 are each lower alkyl of up to four carbon atoms, or together with the adjacent carbon atom form a cycloalkyl group of up to six carbon atoms, and R represents a phenoxy- or benzyl-substituted phenyl and pyridyl group which may optionally be substituted with fluorine. The compounds are useful for combating insect pests.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: February 27, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4902814
    Abstract: A compound of formula: ##STR1## wherein R is selected from hydrogen, cyano, methyl, and ethynyl, and X represents the residue of any carboxylic acid of formula X-COOH which forms an insecticidally active ester with a 3-phenoxybenzyl alcohol. The compounds are useful as insecticides and acaricides.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: February 20, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4870218
    Abstract: Compounds of the formula: ##STR1## wherein X is selected from bromine and chlorine useful as intermediates in the preparation of insecticidal compounds.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: September 26, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4812483
    Abstract: A compound of formula:CXY.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 Rwherein X and Y are each selected from hydrogen and halogen, R.sup.1 and R.sup.2 are each lower alkyl of up to four carbon atoms, or together with the adjacent carbon atom form a cycloalkyl group of up to six carbon atoms, and R represents a phenoxy- or benzyl-substituted phenyl group which may optionally be substituted with fluorine. The compounds are useful for combating insect pests.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: March 14, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4792563
    Abstract: Insecticidally active compounds of the formula (I): ##STR1## wherein R.sup.4 represents a group selected from those groups represented by R.sup.5 in insecticidally active compounds of formula: ##STR2## R.sup.3 is selected from fluoromethyl and difluoromethyl, and either (a) R.sup.1 and R.sup.2 represent alkyl of one, two, three or four carbon atoms, or (b) R.sup.1 and R.sup.2 taken together with the adjacent carbon atom form a cycloalkyl ring of four, five or six carbon atoms.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: December 20, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4788349
    Abstract: Compounds of the Formula: ##STR1## wherein X is selected from bromine and chlorine useful as intermediates in the preparation of insecticidal compounds.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: November 29, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4788297
    Abstract: Process for selective removal of the cis-isomer and consequent enrichment of a solution with respect to the trans-isomer of a 1-(4-hydroxycoumarin-3-yl)-3-substituted phenyl)tetrahydronaphthalene rodenticide by crystallization from hot solvent.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: November 29, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4788348
    Abstract: Compounds of formula R.sup.3 --CH.dbd.CH--CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R.sup.4 wherein R.sup.1 and R.sup.2 are H, alkyl or together form a cycloalkyl group with the adjacent carbon, R.sup.3 is a substituted phenyl group, R.sup.4 is an optionally substituted phenoxy phenyl group, and compositions containing them useful as insecticides, and compounds of formula HOCH.sub.2 --CR.sup.1 R.sup.2 --CH.sub.2 OCH.sub.2 R.sup.4 and OCH--CR.sup.1 R.sup.2 CH.sub.2 OCH.sub.2 R.sup.4, useful as intermediates therefor.
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: November 29, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventor: Alan J. Whittle
  • Patent number: 4762835
    Abstract: A compound of formula: ##STR1## wherein R.sup.1 represents hydrogen or halogen, R.sup.2 represents an .alpha.-branched alkyl or a cycloalkyl group containing from 3 to 6 carbon atoms, Q represents hydroxy, halo, alkoxy of up to 6 carbon atoms or a group --OR where R represents the residue of an alcohol of formula ROH which forms an insecticidal ester when combined with crysanthemic acid, or 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid, or 3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropane carboxylic acid. The compounds are useful for combating insect and acarime pests.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: August 9, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventors: Alan J. Whittle, Roger Salmon, Edward McDonald