Patents by Inventor Alexander Serban

Alexander Serban 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: 5403813
    Abstract: A controlled release agricultural composition comprising an aqueous dispersion of: 1) a water insoluble matrix comprising a viscous oil (i.e., a hydrocarbon crude oil or post-refining residual oil) selected from the group consisting of bitumen, abietic acid, ester derivatives of abietic acid, carboxylic acid containing materials, and carboxylic acid ester containing materials, and 2) at least one active ingredient, which has a melting point of less than 140.degree. C. and is soluble in the viscous oil matrix, selected from the group consisting of herbicides, insecticides, fungicides, and nematicides.
    Type: Grant
    Filed: January 18, 1993
    Date of Patent: April 4, 1995
    Assignee: Daratech Proprietary Limited
    Inventors: Gottfried Lichti, Anthony G. Flynn, Alexander Serban, Darren J. Park, William R. Jackson, Janine J. Kibblewhite, Paul A. Horne, Daryl K. Wood, Jin L. Chen
  • Patent number: 5110989
    Abstract: 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: Grant
    Filed: July 17, 1990
    Date of Patent: May 5, 1992
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson, Linsay E. Cross
  • Patent number: 4952722
    Abstract: 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: Grant
    Filed: January 26, 1983
    Date of Patent: August 28, 1990
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson, Lindsay E. Cross
  • Patent number: 4803273
    Abstract: 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: Grant
    Filed: December 9, 1986
    Date of Patent: February 7, 1989
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Grame J. Farquharson
  • Patent number: 4760192
    Abstract: 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: Grant
    Filed: December 29, 1986
    Date of Patent: July 26, 1988
    Assignee: Imperial Chemical Industries plc
    Inventors: Richard B. Warner, Alexander Serban, Keith G. Watson, Graham J. Bird, Lindsay E. Cross, Graeme Farquharson
  • Patent number: 4738710
    Abstract: 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: Grant
    Filed: September 27, 1985
    Date of Patent: April 19, 1988
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson
  • Patent number: 4717418
    Abstract: 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: Grant
    Filed: November 10, 1982
    Date of Patent: January 5, 1988
    Assignee: ICI Australia Limited
    Inventors: Richard B. Warner, Alexander Serban, Keith G. Watson, Graham J. Bird, Lindsay E. Cross, Graeme J. Farquharson
  • Patent number: 4675047
    Abstract: The invention concerns novel compounds of the formula I ##STR1## 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; compositions containing as active ingredient compounds 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: Grant
    Filed: June 16, 1981
    Date of Patent: June 23, 1987
    Inventors: Alexander Serban, Wendy A. Jensen
  • Patent number: 4655819
    Abstract: 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.
    Type: Grant
    Filed: December 24, 1981
    Date of Patent: April 7, 1987
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Grame J. Farquharson
  • Patent number: 4555263
    Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: R.sup.1 is selected from alkyl, alkenyl, alkynyl, cycloalkyl benzyl and substituted benzyl;A is selected from hydrogen, halogen, nitro, alkyl, alkoxy, alkylthio, alkenylthio, alkynylthio, cycloalkoxy, cycloalkylthio, sulfamoyl, N-(C.sub.1 to C.sub.6 alkyl)sulfamoyl, N,N-di(C.sub.1 to C.sub.6 alkyl)sulfamoyl, benzylthio and substituted benzylthio;R.sup.2 is selected from hydrogen, alkyl, alkenyl, alkynyl, substituted alkyl, acyl, alkylsulfonyl, benzenesulfonyl, substituted benzenesulfonyl, and an inorganic or organic cation;R.sup.3 is selected from alkyl, alkenyl, alkynyl, substituted alkyl, haloalkenyl and haloalkynyl; andR.sup.4 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl and phenyl.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: November 26, 1985
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson, Timothy L. Houston
  • Patent number: 4511391
    Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: X is selected from halogen, nitro, cyano, alkyl, substituted alkyl, alkenyl, alkynyl, hydroxy, alkoxy, substituted alkoxy, alkenyloxy, alkynyloxy, alkanoyloxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, benzyloxy, substituted benzyloxy, amino, substituted amino, and the groups formyl and alkanoyl and the oxime, imine and Schiff base derivatives thereof;Y and Z are independently selected from methylene, oxygen and sulfur provided that at least one of Y and Z is selected from oxygen and sulfur;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;R.sup.4 is selected from hydrogen, halogen, cyano, C.
    Type: Grant
    Filed: May 24, 1983
    Date of Patent: April 16, 1985
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Graham J. Bird, Graeme J. Farquharson
  • Patent number: 4460588
    Abstract: The invention concerns a process for killing internal parasites, especially trematodes or nematodes, affecting warm blooded animals such as cattle, sheep and goats by administering an effective amount of a composition containing as active ingredient a compound of the formula ##STR1## Certain of the compounds of formula I are novel and in further embodiments the invention provides novel compounds and compositions for use in the process of the invention. The process of the invention is especially applicable to the tretment of warm blooded animals infected with the trematodes Fasciola hepatica (liver fluke).
    Type: Grant
    Filed: February 5, 1980
    Date of Patent: July 17, 1984
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Colin Wilshire, Bruce A. Forsyth
  • Patent number: 4444584
    Abstract: The invention concerns novel compounds of the formula I ##STR1## The compounds are herbicides and in further embodiments the invention provides herbicidal compositions containing as active ingredient a compound of formula I and a process 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: Grant
    Filed: October 29, 1980
    Date of Patent: April 24, 1984
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson
  • Patent number: 4427437
    Abstract: A process of inhibiting the growth of, severely damaging, or killing plants which process comprises applying to the plant or to the growth medium thereof an effective amount of a composition comprising as active ingredient a compound of formula I: ##STR1## wherein A, B and D are independently chosen from the group consisting of hydrogen, halogen, hydroxy, nitro, cyano, thiocyano, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkoxy, optionally substituted alkenyloxy, optionally substituted alkynyloxy, optionally substituted alkylthio, optionally substituted cycloalkyl, optionally substituted amino, optionally substituted phenyl, carboxy, alkoxycarbonyl, optionally substituted carbamoyl, sulfo, alkylsulfonyl and optionally substituted sulfamoyl; R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: January 24, 1984
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Richard B. Warner
  • Patent number: 4409017
    Abstract: The invention concerns novel compounds of the formula I ##STR1## 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; compositions containing as active ingredient compounds 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: Grant
    Filed: June 16, 1981
    Date of Patent: October 11, 1983
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Graham J. Bird, Lindsay E. Cross
  • Patent number: 4358307
    Abstract: The invention concerns novel compounds of the formula I ##STR1## 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 composition 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: Grant
    Filed: September 8, 1980
    Date of Patent: November 9, 1982
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, Graeme J. Farquharson
  • Patent number: 4314065
    Abstract: The invention concerns novel diarylamine derivatives of formula I ##STR1## wherein .phi. is chosen from ##STR2## The compounds are herbicides and in further embodiments the invention provides herbicidal compositions containing as active ingredient a compound of formula I, a process 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, processes for the preparation of compounds of formula I and intermediates useful in the preparation of compounds of formula I.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: February 2, 1982
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Keith G. Watson, John E. D. Barton
  • Patent number: 4310347
    Abstract: The invention concerns novel compounds of the formula I ##STR1## 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 composition 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: Grant
    Filed: August 25, 1980
    Date of Patent: January 12, 1982
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Graeme Farquharson, Jack Lydiate, Graham J. Bird
  • Patent number: 4309211
    Abstract: The invention concerns novel compounds of the formula I ##STR1## 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 an effective amount of a compound of formula I.
    Type: Grant
    Filed: August 13, 1980
    Date of Patent: January 5, 1982
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Graeme J. Farquharson, Graham J. Bird, Jack Lydiate
  • Patent number: 4248618
    Abstract: A compound of general formula I: ##STR1## wherein A, B, D, E, and V are independently chosen from hydrogen, halogen, nitro, cyano, thiocyano, amino, alkyl, alkoxy, alkylthio, alkenyl, cycloalkyl, carbalkoxy, phenyl, phenoxy or phenylthio; R.sup.1 and R.sup.2 are independently hydrogen, alkyl, alkenyl, alkanoyl, or R.sup.1 and R.sup.2 together are alkylidene; W is carboxy or a functional derivative thereof or CH.sub.2 Z wherein Z is halogen, hydroxy, alkoxy, alkylthio, formyl or amino; and X and Y are oxygen or sulfur.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: February 3, 1981
    Assignee: ICI Australia Limited
    Inventors: Alexander Serban, Richard B. Warner, Keith G. Watson