Patents by Inventor Haukur Kristinsson

Haukur Kristinsson 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: 6034083
    Abstract: Compounds of formula ##STR1## wherein n and Z are as defined in claim 1, and, where appropriate, tautomers thereof, in each case in free form or in salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: March 7, 2000
    Assignee: Novartis Corp.
    Inventors: Henry Szczepanski, Haukur Kristinsson, Peter Maienfisch, Josef Ehrenfreund
  • Patent number: 5783704
    Abstract: Compounds of formu (I) wherein n and Z are as defined in claim 1, and, where appropriate, tautomers thereof, in each case in free form, or in salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: July 21, 1998
    Assignee: Novartis Corporation
    Inventors: Henry Szczepanski, Haukur Kristinsson, Peter Maienfisch, Josef Ehrenfreund
  • Patent number: 5679623
    Abstract: Compounds of the formula ##STR1## in which R.sub.l, R.sub.2, R.sub.3, R.sub.4, Y and Z are as defined in claim 1, and, if appropriate, the tautomers thereof, in each case in free form or in salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 21, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Henry Szczepanski, Haukur Kristinsson
  • Patent number: 5648487
    Abstract: A process for the preparation of a compound of the formula ##STR1## where Z and R are defined herein. A compound of formula II ##STR2## where R.sub.1 defined herein, is reacted with hydrazine hydrate and then subjected to hydrolysis to form the compound of formula I ##STR3## and the compound of the formula I is reacted with the aldehyde of the formula ##STR4## into the resulting compound of the formula IV.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 15, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Haukur Kristinsson
  • Patent number: 5561230
    Abstract: The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 1, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Haukur Kristinsson
  • Patent number: 5446154
    Abstract: The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfonyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: August 29, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Haukur Kristinsson
  • Patent number: 5324842
    Abstract: The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: June 28, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Beriger, Haukur Kristinsson
  • Patent number: 5179094
    Abstract: There are disclosed novel substituted N-amino-1,2,4-triazinones of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.12 alkyl or C.sub.3 -C.sub.7 cycloalkyl,R.sub.2 and R.sub.3 are each independently of the other hydrogen or C.sub.1 -C.sub.6 alkyl,R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are each independently of one another hydrogen, halogen, C.sub.1 -C.sub.3 alkyl, ##STR2## C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkylthio, and n is 0 or 1, or a salt thereof, with the proviso that n is 1, if simultaneously the pyridine ring is attached via the 3-position to the methylidene group and R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are each hydrogen; their use in pest control and pesticidal compositions which contain a compound of formula I as active component. The preferred utility is the control of pests of animals and plants.
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: January 12, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Odd Kristiansen, Manfred Boger, Haukur Kristinsson, Peter Maienfisch
  • Patent number: 5077412
    Abstract: The invention relates to novel substituted phenylthioureas, phenylisothioureas and phenylcarbodiimides of formula I ##STR1## wherein Z is ##STR2## or --N.dbd.C.dbd.N--; R.sub.1 is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.10 alkenyl, C.sub.3 -C.sub.10 alkynyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.3 alkyl substituted by 1 or 2 C.sub.3 -C.sub.6 cycloalkyl radicals, or is alkoxyalkyl containing a total of 3 to 10 carbon atoms, halogen-substituted C.sub.1 -C.sub.12 alkyl, polycyclic C.sub.7 -C.sub.10 cycloalkyl, or phenyl(C.sub.1 -C.sub.5)alkyl which may be substituted in the phenyl moiety by 1 or 2 identical or different members selected from the group consisting of halogen, methoxy, ethoxy and C.sub.1 -C.sub.5 alkyl,R.sub.2 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.3 is C.sub.1 -C.sub.5 alkyl or C.sub.3 -C.sub.6 cycloalkyl,R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: December 31, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Josef Ehrenfreund, Manfred Boger, Odd Kristiansen, Jozef Drabek, Haukur Kristinsson
  • Patent number: 4996325
    Abstract: Novel substituted N-amino-1,2,4-triazinones of formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.2 haloalkyl, phenyl, benzyl, phenethyl, phenpropyl, phenbutyl or phenpentyl, or a phenyl, benzyl, phenethyl, phenpropyl, phenbutyl or phenpentyl radical that is mono- or di-substituted by halogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.2 haloalkyl, methoxy and/or by ethoxy,R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, or is phenyl that is unsubstituted or substituted by C.sub.1 -C.sub.12 alkyl, halogen or by C.sub.1 -C.sub.12 haloalkyl, or R.sub.1 and R.sub.2 together form a saturated or unsaturated 3- to 7-membered carbocycle,R.sub.3 is hydrogen or C.sub.1 -C.sub.6 alkyl andZ is --N.dbd.CH-- or --NH--CH.sub.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: February 26, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Haukur Kristinsson
  • Patent number: 4931439
    Abstract: Novel substituted N-amino-1,2,4-triazinones of formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.3 C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.2 haloalkyl, phenyl, benzyl, phenethyl, phenproptyl, phenbutyl or phenpentyl, or a phenyl, benzyl, phenethyl, phenpropyl, phenbutyl or phenpentyl radical that is mono- or di-substituted by halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.2 haloalkyl, methoxy and/or by ethoxy,R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, or is phenyl that is unsubstituted or substituted by C.sub.1 -C.sub.12 alkyl, halogen or by C.sub.1 -C.sub.12 haloalkyl, or R.sub.1 and R.sub.2 together form a saturated or unsaturated 3- to 7-membered carbocycle,R.sub.3 is hydrogen or C.sub.1 -C.sub.6 alkyl andZ is --N.dbd.CH-- or --NH--CH.sub.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: June 5, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Haukur Kristinsson
  • Patent number: 4888348
    Abstract: The invention relates to novel substituted phenylthioureas, phenylisothioureas and phenylcarbodiimides of formula I ##STR1## wherein Z is ##STR2## or --N.dbd.C.dbd.N--; R.sub.1 is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.10 alkenyl, C.sub.3 -C.sub.10 alkynyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.3 alkyl substituted by 1 or 2 C.sub.3 -C.sub.6 cycloalkyl radicals, or is alkoxyalkyl containing a total of 3 to 10 carbon atoms, halogen-substituted C.sub.1 -C.sub.12 alkyl, polycyclic C.sub.7 -C.sub.10 cycloalkyl, or phenyl(C.sub.1 -C.sub.5)alkyl which may be substituted in the phenyl moiety by 1 or 2 identical or different members selected from the group consisting of halogen, methoxy, ethoxy and C.sub.1 -C.sub.5 alkyl,R.sub.2 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.3 is C.sub.1 -C.sub.5 alkyl or C.sub.3 -C.sub.6 cycloalkyl,R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: December 19, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Josef Ehrenfreund, Manfred Boger, Odd Kristiansen, Jozef Drabek, Haukur Kristinsson
  • Patent number: 4783468
    Abstract: The invention relates to novel substituted 2,4-diamino-5-cyano-pyrimidines of formula ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl,R.sub.2 is hydrogen, C.sub.1 -C.sub.10 alkyl or C.sub.3 -C.sub.6 cycloalkyl, orR.sub.1 and R.sub.2, when taken together, are a radical selected from the group consisting of--(CH.sub.2).sub.3 --,--(CH.sub.2).sub.4 and--(CH.sub.2).sub.5,R.sub.5 is hydrogen or a radical--CO--R.sub.5 or--SO.sub.2 --R.sub.6,R.sub.4 is a radical selected from the group consisting of --NH.sub.2,--NH--CO--R.sub.5,--NH--SO.sub.2 --R.sub.6, ##STR2## or --NH--CH.dbd.N--R.sub.10 ; R.sub.5 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.6 alkoxy, perhalogenated C.sub.1 -C.sub.3 alkyl or the radical ##STR3## R.sub.6 is C.sub.1 -C.sub.6 alkyl, R.sub.7 is hydrogen or C.sub.1 -C.sub.6 alkyl,R.sub.8 and R.sub.9 are each independently of the other hydrogen or C.sub.1 -C.sub.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: November 8, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Haukur Kristinsson, Odd Kristiansen
  • Patent number: 4762830
    Abstract: The invention relates to novel 5-(azolyloxyphenylcarbamoyl)barbituric acid derivatives of the general formula I ##STR1## wherein X is oxygen or sulfur;R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.3 -C.sub.6 cycloalkyl or allyl;R.sub.2 is C.sub.1 -C.sub.6 alkyl or allyl;R.sub.3 is an unsubstituted or substituted five-membered azole ring which is bound through carbon and is selected from the group consisting of benzimadazole, benzoxazole, benzothiazole, imidazole, oxazole, thiazole, oxadiazole, thiadiazole and triazole; andR.sub.4 and R.sub.5 are each independently of the other hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.1 -C.sub.6 alkoxy or C.sub.1 -C.sub.6 haloalkoxy;and to the tautomers and salts thereof, as anthelmintic compounds. Together with suitable carriers and further assistants, these compounds may be used in particular for controlling helminths which are parasites of animals.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: August 9, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Elmar Sturm, Jean J. Gallay, Haukur Kristinsson, Georg Pissiotas
  • Patent number: 4715883
    Abstract: A process for protecting cultivated plants against aggressive agricultural chemicals is described in which oxide derivatives of the formula ##STR1## are used as antidotes. Either the cultivated area for the cultivated plants or the cultivated plants themselves or parts of the plant (seeds, tubers, stem parts, and the like), as desired, can be treated with these oxide derivatives, which are used as a dressing.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: December 29, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Alfons Lukaszczyk, Henry Martin, Peter J. Diel, Werner Fory, Karl Gotzi, Haukur Kristinsson, Beat Muller, Rene Muntwyler, Johannes P. Pachlatko, Hermann Rempfler, Rolf Schurter, Henry Szczepanski
  • Patent number: 4680395
    Abstract: Pyrimidyl-sulfonyl isoureas of the formula ##STR1## in which R.sub.a is the difluoromethoxy group,R.sub.b is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 l-C.sub.5 -haloalkyl, C.sub.1 -C.sub.5 -alkoxy, C.sub.1 -C.sub.5 -haloalkoxy, C.sub.1 -C.sub.5 -alkylthio, C.sub.2 -C.sub.10 -alkoxyalkyl or C.sub.2 -C.sub.10 -alkoxyalkoxy or is an amino group ##STR2## wherein R.sub.c is hydrogen, methyl or ethyl, andR.sub.d is hydrogen, methyl, ethyl or methoxy,A is a radical of the formula ##STR3## Y is oxygen, sulfur or ##STR4## R.sub.1 is hydrogen, halogen, nitro, trifluoromethyl, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkoxy, --COR.sub.7, --S(O).sub.m --C.sub.1 -C.sub.5 -alkyl, --SO.sub.2 R.sub.10, XR.sub.11 or --OSO.sub.2 C.sub.1 -C.sub.5 -alkyl,R.sub.2 is hydrogen, fluorine, chlorine, bromine, nitro, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkoxy, trifluoromethyl, C.sub.1 -C.sub.5 -haloalkoxy or --COR.sub.7,R.sub.3 is hydrogen, fluorine, chlorine, bromine, nitro, methoxy or trifluoromethyl,R.sub.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: July 14, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Haukur Kristinsson, Werner Topfl
  • Patent number: 4629802
    Abstract: A novel process for producing sulfonylureas of the formula I having a herbicidal action and an action regulating plant growth ##STR1## wherein A is an unsubstituted or substituted phenyl, naphthyl, furan, thiophene or pyridine group, E is a nitrogen atom or the methine group, R.sub.a is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -haloalkyl, C.sub.1 -C.sub.5 -alkoxy, C.sub.1 -C.sub.5 -haloalkoxy, C.sub.1 -C.sub.5 -alkylthio or C.sub.2 -C.sub.10 -alkoxyalkoxy, and R.sub.b is the same as R.sub.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: December 16, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Haukur Kristinsson, Werner Topfl
  • Patent number: 4562210
    Abstract: Novel N-[2-(1,2-dichlorovinyloxy)phenylsulfonyl]-(thio)ureas of the general formula I ##STR1## in which X is oxygen or sulfur, R.sub.1 is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkinyl; and R.sub.2 is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkinyl or C.sub.1 -C.sub.6 -alkoxy; and the salts of these compounds are described.These compounds have pronounced bactericidal properties and can be used without problems against bacteria which damage plants, especially in the agricultural sector.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: December 31, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Willy Meyer, Werner Topfl, Haukur Kristinsson, Wolfgang Eckhardt
  • Patent number: 4521597
    Abstract: A novel process for producing sulfonylureas of the formula I having a herbicidal action and an action regulating plant growth ##STR1## wherein A is an unsubstituted or substituted phenyl, naphthyl, furan, thiophene or pyridine group, E is a nitrogen atom or the methine group, R.sub.a is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -haloalkyl, C.sub.1 -C.sub.5 -alkoxy, C.sub.1 -C.sub.5 -haloalkoxy, C.sub.1 -C.sub.5 -alkylthio or C.sub.2 -C.sub.10 -alkoxyalkoxy, and R.sub.b is the same as R.sub.
    Type: Grant
    Filed: October 14, 1983
    Date of Patent: June 4, 1985
    Assignee: Ciba Geigy Corporation
    Inventors: Haukur Kristinsson, Werner Topfl
  • Patent number: 4448968
    Abstract: A process for preparing 1,3,4-thiadiazolone compounds of the formula ##STR1## comprising reacting a 2-alkoxy-1,3,4-thiadiazole of the formula ##STR2## with hydrogen chloride in non-aqueous organic solvent under non-aqueous conditions at a temperature of from 0.degree. to 100.degree. C.
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: May 15, 1984
    Assignee: Ciba-Geigy Corporation
    Inventor: Haukur Kristinsson