Patents by Inventor Keith G. Watson
Keith G. Watson 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).
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Patent number: 7795301Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; and n is an integer from 10 to 18 or a pharmaceutically acceptable derivative thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infection.Type: GrantFiled: May 21, 2007Date of Patent: September 14, 2010Assignee: Biota Scientific Management Pty, Ltd.Inventors: Derek A. Demaine, Graham G. A. Inglis, Simon J. F. MacDonald, Stephen E. Shanahan, Simon P. Tucker, Keith G. Watson, Wen-Yang Wu
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Patent number: 7371755Abstract: This invention relates to a compound capable of binding to a picornavirus capsid comprising two or more capsid binding moieties.Type: GrantFiled: September 15, 2000Date of Patent: May 13, 2008Assignee: Biota Scientific Management Pty Ltd.Inventors: Guy Krippner, Phillip A. Reece, Keith G. Watson, Wen-Yang Wu, Betty Jin, Simon P. Tucker
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Patent number: 7230028Abstract: The invention relates to compounds of general formula (I); in which R is an amino or guanidino group; R2 is acetyl or trifluoroacetyl; and n is an integer from 10 to 18 or a pharmaceutically acceptable derivative thereof, methods for their preparation, pharmaceutical formulations containing them or their use in the prevention or treatment of a viral infectionType: GrantFiled: November 8, 2002Date of Patent: June 12, 2007Assignee: Biota Scientific Management Pty Ltd.Inventors: Derek A. Demaine, Graham G. A. Inglis, Simon J. F. MacDonald, Stephen E. Shanahan, Simon P. Tucker, Keith G. Watson, Wen-Yang Wu
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Patent number: 5110989Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: W are selected from alkyl, alkenyl and alkynyl;X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkynyl, alkenyloxy, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof, and an alkylene group which bridges two adjacent carbon atoms of the benzene ring;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.Type: GrantFiled: July 17, 1990Date of Patent: May 5, 1992Assignee: ICI Australia LimitedInventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson, Linsay E. Cross
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Patent number: 4952722Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: W are selected from alkyl, alkenyl and alkynyl;X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkynyl, alkenyloxy, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, amino, substituted amino, and the groups formyl and alkanoyl and the oxime and imine derivatives thereof, and an alkylene group which bridges two adjacent carbon atoms of the benzene ring;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;p is zero or an integer selected form 1 to 4;n is zero or an integer selected from 1 to 3; andm is zero or an integer selected from 1 to 3.Type: GrantFiled: January 26, 1983Date of Patent: August 28, 1990Assignee: ICI Australia LimitedInventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson, Lindsay E. Cross
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Patent number: 4938793Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyloxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;R.sup.4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl; andn is selected from the integers 1 and 2.Type: GrantFiled: June 20, 1988Date of Patent: July 3, 1990Assignee: ICI Australia LimitedInventors: Keith G. Watson, Graeme J. Farquharson
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Patent number: 4929269Abstract: Compounds of the formula ##STR1## and salts thereof, W and W, being independently O and S, A being a nitrogen-containing heterocyclic ring system, E being O, S(O)m or NR.sub.3 where m is 0-2, R.sub.1, R.sub.2 and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.2 -C.sub.4 alkenyl or alkynyl and E.sub.1 being hydrogen, halogen or one of a variety of organic substituents.The compounds are effective herbicides.Type: GrantFiled: October 19, 1988Date of Patent: May 29, 1990Assignee: ICI Australia Operations Proprietary LimitedInventors: Keith G. Watson, Peter Drygala, Stephen Bell
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Patent number: 4923989Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyloxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;R.sup.4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl; andn is selected from the integers 1 and 2.Type: GrantFiled: March 20, 1989Date of Patent: May 8, 1990Assignee: ICI Australia LimitedInventors: Keith G. Watson, Graeme J. Farquharson
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Patent number: 4888043Abstract: The invention concerns compounds of the formula I ##STR1## wherein: Z is selected from hydrogen, alkyl, alkanoyl, sulfamoyl, carboxy and trifluoroacetamido;Y is selected from various carboxy or thiocarboxy groups, haloalkanoyl, alkylsulfonyl and haloalkylsulfonyl;R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl and alkynyl;R.sup.3 is selected from alkyl; andR.sup.4 is selected from hydrogen, alkyl, and alkoxycarbonyl.The compounds of the invention show herbicidal properties and plant growth regulating properties and in further embodiments and the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of the compounds of formula I, compositions containing as active ingredient a compound of formula I, and herbicidal and plant growth regulating processes utilizing compounds of formula I.Type: GrantFiled: June 20, 1986Date of Patent: December 19, 1989Assignee: ICI Australia LimitedInventors: Keith G. Watson, Craig G. Lovel
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Patent number: 4886911Abstract: The invention concerns compounds of formula I ##STR1## wherein: X and Y are independently selected from the group consisting of hydrogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 haloalkyl, and the group wherein X and Y together from a three or four-membered carbon bridge the bridge optionally comprising one or both of a double bond and a carbonyl group;Z is selected from the group consisting of hydrogen, halogen, C.sub.1 to C.sub.4 alkyl and C.sub.1 to C.sub.4 alkanoyl;R.sup.1 is selected from the group consisting of: hydrogen; an acyl group; and an inorganic or organic cation;R.sup.2 is selected from the group consisting of: C.sub.1 to c.sub.6 alkyl; C.sub.2 to C.sub.6 alkenyl; C.sub.2 to C.sub.6 haloakenyl; C.sub.2 to C.sub.6 alkynyl; and substituted C.sub.1 to C.sub.Type: GrantFiled: June 12, 1987Date of Patent: December 12, 1989Assignee: ICI Australia LimitedInventors: Keith G. Watson, Craig G. Lovel
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Patent number: 4837355Abstract: The invention concerns a process for the synthesis of a compound of formula I ##STR1## wherein: U and V may be chosen from a range of substituents including hydrogen, halogen, alkyl and alkoxy; R.sup.1 and R.sup.2 may be chosen from a range of substituents including hydrogen and alkyl; n is 0, 1 or 2; and W may be chosen from a range of substitutents including the group ##STR2## which may be a free carboxylic acid or derivative thereof; the process comprising reacting a sulfate ester of formula II, wherein Q is a cation, with a compound of formula III, wherein L is a leaving group ##STR3## and hydrolyzing the sulfate ester formed. Preferably the sulfate ester of formula II is prepared by the oxidation of a phenol of formula IV with a persulfate.Type: GrantFiled: March 31, 1982Date of Patent: June 6, 1989Assignee: ICI Australia LimitedInventor: Keith G. Watson
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Patent number: 4806141Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein Z is selected from hydrogen, halogen, C.sub.1 to C.sub.6 alkyl, and C.sub.1 to C.sub.6 alkoxy;Y is selected from halogen, C.sub.1 to C.sub.6 alkyl and C.sub.1 to C.sub.6 alkoxy;X is selected from halogen, C.sub.1 to C.sub.6 alkyl and C.sub.1 to C.sub.6 alkoxy and if Y is methyl and Z is hydrogen or methyl then at least one of X is not methyl;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; andm is an integer chosen from 1 to 3.Type: GrantFiled: December 2, 1986Date of Patent: February 21, 1989Assignee: ICI Australia LimitedInventors: Keith G. Watson, Lynette A. Garson, Graham J. Bird, Graeme J. Farquharson
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Patent number: 4803273Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: D and U are independently chosen from halogen, methyl and halomethyl;G is chosen from hydroxy, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, cycloalkoxy and the group OM wherein M is an alkali metal or alkaline earth metal ion; andk and l are independently chosen from 0 and 1.The compounds are herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants and effective amount of a compound of formula I. Intermediates for making the compounds I wherein the group ##STR2## is replaced by hydroxy or C.sub.1 to C.sub.6 alkoxy are included.Type: GrantFiled: December 9, 1986Date of Patent: February 7, 1989Assignee: ICI Australia LimitedInventors: Alexander Serban, Keith G. Watson, Grame J. Farquharson
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Patent number: 4795487Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: the substituent X is chosen from cyano, carbamoyl and thiocarbamoyl;Z is selected from hydrogen, methyl, C.sub.1 to C.sub.4 alkanoyl, sulfamoyl, dimethylsulfamoyl and trifluoroacetylamino;R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl and alkynyl;R.sup.3 is selected from alkyl; andR.sup.4 is selected from hydrogen, alkyl, and alkoxycarbonyl.The compounds of the invention show herbicidal properties and plant growth regulating properties and in further embodiments and the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of the compounds of formula I, compositions containing as active ingredient a compound of formula I, and herbicidal and plant growth regulating processes utilizing compounds of formula I.Type: GrantFiled: July 16, 1986Date of Patent: January 3, 1989Assignee: ICI Australia LimitedInventors: Keith G. Watson, Craig G. Lovel
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Patent number: 4767879Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X is selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkynyl, alkenyloxy, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;m is an integer chosen from 3 to 5.Type: GrantFiled: December 17, 1986Date of Patent: August 30, 1988Assignee: ICI Australia LimitedInventors: Keith G. Watson, Lynette A. Garson, Graham J. Bird, Lindsay E. Cross, Graeme J. Farquharson
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Patent number: 4760192Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation;R.sup.2 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; andn is an integer chosen from 2 to 5.The compounds are cereal selective herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.Type: GrantFiled: December 29, 1986Date of Patent: July 26, 1988Assignee: Imperial Chemical Industries plcInventors: Richard B. Warner, Alexander Serban, Keith G. Watson, Graham J. Bird, Lindsay E. Cross, Graeme Farquharson
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Patent number: 4746350Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: Y is selected from phenyl, furyl, thienyl and pyrrolyl rings (each optionally substituted by group X), optionally branched alkylene or alkylenethio(oxy)alkylene;X which may be the same or different are independently selected from halogen, nitro, alkyl, substituted alkyl, hydroxy, alkoxy, carboxy, alkoxycarbonyl, alkylthio, sulfamoyl, substituted sulfamoyl, amino, substituted amino and alkanoyl;R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl and alkynyl;R.sup.3 is selected from alkyl; andR.sup.4 is selected from hydrogen, alkyl, and alkoxycarbonyl.Type: GrantFiled: April 14, 1986Date of Patent: May 24, 1988Assignee: Imperial Chemical Industries PLCInventor: Keith G. Watson
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Patent number: 4738710Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: A, B, D, E, J.sup.1, J.sup.2, U and V are chosen from hydrogen, halogen, nitro, cyano, thiocyano, amino, substituted amino, alkyl, substituted alkyl, alkenyl, cycloalkyl, alkoxy, substituted alkoxy, alkylthio, alkylsulfinyl, substituted alkylsulfinyl, alkylsulfonyl, substituted alkylsulfonyl, sulfamoyl, substituted sulfamoyl, sulfo, carboxy, alkoxycarbonyl, carbamoyl, substituted carbamoyl and optionally substituted phenyl, phenoxy and phenylthio;R.sup.1 is chosen from hydrogen, alkyl, substituted alkyl, alkenyl, alkanoyl and alkoxycarbonyl; R.sup.2 is chosen from hydrogen, alkyl, substituted alkyl and alkenyl; or R.sup.1 and R.sup.2 together form an alkylidene group;W is chosen from cyano, thiocarbamoyl, the group --CH.sub.Type: GrantFiled: September 27, 1985Date of Patent: April 19, 1988Assignee: ICI Australia LimitedInventors: Alexander Serban, Keith G. Watson
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Patent number: 4717418Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation;R.sup.2 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl; andn is an integer chosen from 2 to 5.The compounds are cereal selective herbicides and in further embodiments of the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.Type: GrantFiled: November 10, 1982Date of Patent: January 5, 1988Assignee: ICI Australia LimitedInventors: Richard B. Warner, Alexander Serban, Keith G. Watson, Graham J. Bird, Lindsay E. Cross, Graeme J. Farquharson
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Patent number: 4715884Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: A, B and D are selected from CH and N;E is selected from oxygen and sulfur;X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, acyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, alkanoyloxy, benzyloxy, substituted benzyloxy, phenyl, substituted phenyl, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;R.sup.1 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, alkylsulfonyl, arylsulfonyl, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl;R.sup.Type: GrantFiled: July 11, 1986Date of Patent: December 29, 1987Assignee: Imperial Chemical Industries PLCInventor: Keith G. Watson