Patents by Inventor Rene Zurfluh

Rene Zurfluh 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: 6130246
    Abstract: The compounds of formula I ##STR1## wherein: a) X is O, andY is OC.sub.1 -C.sub.4 alkyl; orb) X is O or S, andY is NHCH.sub.3have fungicidal properties and can be used in plant protection for controlling and preventing disease infestation.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: October 10, 2000
    Assignee: Novartis Crop. Protection Inc.
    Inventors: Hugo Ziegler, Rene Zurfluh
  • Patent number: 5985921
    Abstract: Compounds of the formula ##STR1## in which n, q, A, X, G, Y, Z, R, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7 and R.sub.9 are as defined in claim 1, and, where appropriate, E/Z isomers, E/Z isomer mixtures and/or tautomers thereof, in each case in the free form or in an agrochemically suitable salt form, can be used as agrochemical active compounds and can be prepared in a manner known per se.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: November 16, 1999
    Assignee: Novartis Corporation
    Inventors: Saleem Farooq, Stephen Trah, Hugo Ziegler, Rene Zurfluh, Alfons Pascual, Henry Szczepanski, Roger Graham Hall
  • Patent number: 5981585
    Abstract: Compounds of the formula I ##STR1## and the isomers thereof, in which either a) X is an N atom and Y is OR.sub.11 or N(R.sub.12)R.sub.13, orb) X is CH and Y is OR.sub.11,and in which furthermore:R.sub.11 is C.sub.1 -C.sub.4 alkyl;R.sub.12 and R.sub.13, independently, are hydrogen or C.sub.1 -C.sub.4 alkyl;A is an O atom or the group NR.sub.4 ; and whereinR.sub.1, R.sub.2 and R.sub.3 are as defined herein, are pesticidal active ingredients. They can be used for pest control, in particular as microbicides, insecticides and acaricides in agriculture, horticulture and in the hygiene sector.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: November 9, 1999
    Assignee: Novartis Finance Corporation
    Inventors: Hugo Ziegler, Stephan Trah, Saleem Farooq, Rene Zurfluh
  • Patent number: 5977182
    Abstract: Compounds of formula (I), wherein Y is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, OH, CN, NO.sub.2, Si(CH.sub.3).sub.3, CF.sub.3 or halogen, and T is a group (a) or (b), and wherein the remaining substituents have the following definitions: X is O, S or NR.sub.13 ; A is O or NR.sub.4 ; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkyl, cyclopropyl, C.sub.1 -C.sub.4 alkoxymethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio or cyano; R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, cyano unsubstituted or substituted C.sub.1 -C.sub.6 alkoxycarbonyl, unsubstituted or substituted di(C.sub.1 -C.sub.6 alkyl)aminocarbonyl, unsubstituted or substituted C.sub.1 -C.sub.6 alkyl-S(O).sub.q, unsubstituted or substituted aryl-S(O).sub.q, unsubstituted or substituted heteroaryl, unsubstituted or substituted heterocyclyl, unsubstituted or substituted heterocyclylcarbonyl or unsubstituted or substituted phenyl; and R.sub.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: November 2, 1999
    Assignee: Novartis Finance Corporation
    Inventors: Rene Zurfluh, Hugo Ziegler, Stephan Trah
  • Patent number: 5935908
    Abstract: Compounds of formula (1), wherein X, Y, Z R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7, R.sub.9 and n are as defined in claim 1 and, where appropriate, E/Z isomers, mixtures of E/Z isomers and/or tautomers thereof, in each case in free form or in agrochemically suitable salt form, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: August 10, 1999
    Assignee: Novartis Crop Protection, Inc.
    Inventors: Saleem Farooq, Rene Zurfluh, Henry Szczepanski, Roger Graham Hall
  • Patent number: 5932583
    Abstract: Bis-oxime derivatives of the formula I ##STR1## W is oxygen or sulfur, and the other substituents defined as follows: R.sub.1 =hydrogen, C.sub.1 -C.sub.4 alkyl; cyclopropyl;R.sub.2 =hydrogen, C.sub.1 -C.sub.6 alkyl; halo(C.sub.1 -C.sub.6) alkyl; C.sub.2 -C.sub.6 alkoxyalkyl; C.sub.3 -C.sub.6 cycloalkyl; substituted or unsubstituted aryl; substituted or unsubstituted heteroaryl; cyano; C.sub.1 -C.sub.6 alkoxycarbonyl; C.sub.1 -C.sub.6 alkyl-S(O).sub.n ; substituted or unsubstituted aryl-S(O).sub.n ; C.sub.1 -C.sub.6 alkoxy; substituted or unsubstituted aryloxy; substituted or unsubstituted heteroaryloxy; unsubstituted or mono- to trimethyl-substituted heterocyclyl; substituted or unsubstituted aryl-C.sub.1 -C.sub.6 alkyl; substituted or unsubstituted heteroaryl-C.sub.1 -C.sub.6 alkyl;R.sub.3 =hydrogen; C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.6 haloalkyl having 1 to 5 halogen atoms; C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.2 -alkyl; unsubstituted or mono- to trihalo-substituted C.sub.1 -C.sub.6 alkenyl; C.sub.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: August 3, 1999
    Assignee: Novartis Crop Protection, Inc.
    Inventors: Hugo Ziegler, Stephan Trah, Rene Zurfluh, Anthony Cornelius O'Sullivan
  • Patent number: 5863951
    Abstract: The present invention relates to oxime ethers of general formula (I) and to their isomers and isomer mixtures which are possible in which (a) X is an N atom and Y is an oxygen atom or NH, or (b) X is CH and Y is an oxygen atom, in which furthermore R.sub.1 is C.sub.1 -C.sub.4 alkyl; R.sub.2 is hydrogen, C.sub.1 -C.sub.4 alkyl cyclopropyl or cyano; R.sub.3 is cyano, substituted or unsubstituted C.sub.1 -C.sub.6 alkoxycarbonyl, substituted or unsubstituted di(C.sub.1 -C.sub.6 alkyl)aminocarbonyl, substituted or unsubstituted C.sub.1 -C.sub.6 alkyl-S(O).sub.n, substituted or unsubstituted aryl-S(O).sub.n, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclyl or substituted or unsubstituted heterocyclylcarbonyl; and R.sub.4 is C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.6 haloalkyl having 1 to 5 halogen atoms; C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.2 alkyl; C.sub.2 -C.sub.6 alkenyl which is unsubstituted or substituted by 1 to 3 halogen atoms; C.sub.3 -C.sub.6 alkynyl; C.sub.3 -C.sub.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: January 26, 1999
    Assignee: Novartis Finance Corporation
    Inventors: Hugo Ziegler, Stephan Trah, Rene Zurfluh
  • Patent number: 5786374
    Abstract: The present invention relates to benzisoxazole compounds, pesticidal compositions containing them, and their preparations thereof.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: July 28, 1998
    Assignee: Novartis Corporation
    Inventors: Saleem Farooq, Stephan Trah, Rene Zurfluh
  • Patent number: 5756426
    Abstract: Described herein are compounds of the formula I ##STR1## and the isomers thereof, in which either a) X is an N atom andY is OR.sub.11 or N(R.sub.12)R.sub.13, orb) X is CH andY is OR.sub.11,and in which furthermore:R.sub.11 is C.sub.1 -C.sub.4 alkyl;R.sub.12 and R.sub.13, independently, are hydrogen or C.sub.1 -C.sub.4 alkyl;A is an O atom or the group NR.sub.4 ; and whereinR.sub.1, R.sub.2 and R.sub.3 are as defined herein, are pesticidal active ingredients. They can be used for pest control, in particular as microbicides, insecticides and acaricides in agriculture, horticulture and in the hygiene sector.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: May 26, 1998
    Assignee: Novartis Corporation
    Inventors: Hugo Ziegler, Stephan Trah, Saleem Farooq, Rene Zurfluh
  • Patent number: 5436248
    Abstract: Microbicidal composition for use in plants, having a synergistic action and comprising at least two active ingredient components, in which component I is a compound selected from the group of the compounds ##STR1## in which: X is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, trifluoromethyl, cyano, thiocarbamoyl or nitro, andY is hydrogen or fluorine; ##STR2## in which: Z radicals are identical or different and are halogen, cyano, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, trifluoromethyl, phenyl, phenoxy or benzyl, these aromatic groups being unsubstituted or not more than trisubstituted by identical or different substituents from the series comprising halogen, cyano, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or trifluoromethyl, andn is 0 to 3; and ##STR3## in which: U is oxygen or the group --CH.sub.2 O--,A radicals are identical or different and are halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: July 25, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Ronald Zeun, Rene Zurfluh
  • Patent number: 5214046
    Abstract: The compound of the formula ##STR1## wherein each of R.sup.1 and R.sup.2 individually is hydrogen, lower alkyl or lower alkenyl or together signify straight-chain alkylene with 2 to 4 carbon atoms, R.sup.3 is hydrogen, halogen or lower alkyl, Q is alkylene with 4 to 11 carbon atoms and at least 4 carbon atoms between the two free valencies or alkenylene with 4 to 11 carbon atoms and at least 4 carbon atoms between the two free valencies and each of Y and Y' individually is a direct bond or the group --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH-- or --C.tbd.C--, the group R.sup.1 R.sup.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: May 25, 1993
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Philippe Guerry, Synese Jolidon, Rene Zurfluh
  • Patent number: 5137920
    Abstract: Compunds having the formula ##STR1## wherein each of R.sup.1 and R.sup.2 individually is hydrogen, lower alkyl, or lower alkenyl, R.sup.3 is hydrogen, halogen or lower alkyl, Q is alkylene with 2 to 11 carbon atoms and at least 2 carbon atoms between the two free valencies or alkenylene with 4 to 11 carbon atoms and at least 4 carbon atoms between the two free valencies and each of Y and Y' individually is a direct bond, the group R.sup.1 R.sup.2 --N--Q--CH.sub.2 -- is attached to the 3- or 4-position of ring A and the symbol R represents that the ring to which it is attached is unsubstituted or is substituted with at least one of halogen, trifluoromethyl, cyano, nitro, lower alkyl or lower alkoxy, and their pharmaceutically acceptable acid addition salts have valuable pharmacological properties. In particular, they have a pronounced antifungal activity and can be used as medicaments, especially for the control or prevention of topical or systemic infections which are caused by pathogenic fungi.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: August 11, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Philippe Guerry, Synese Jolidon, Rene Zurfluh
  • Patent number: 5106878
    Abstract: The compound of the formula ##STR1## wherein each of R.sup.1 and R.sup.2 individually is hydrogen, lower alkyl or lower alkenyl or together signify straight-chain alkylene with 2 or 4 carbon atoms, R.sup.3 is hydrogen, halogen or lower alkyl, Q is alkylene with 4 to 11 carbon atoms and at least 4 carbon atoms between the two free valencies or alkenylene with 4 to 11 carbon atoms and at least 4 carbon atoms between the two free valencies and each of Y and Y' individually is a direct bond or the group --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH-- or --C.tbd.C--, the group R.sup.1 R.sup.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: April 21, 1992
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Philippe Guerry, Synese Jolidon, Rene Zurfluh
  • Patent number: 5015640
    Abstract: The invention relates to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and X have the significances given herein, their acid addition salts and the preparation of these substances, pest control compositions which contain these substances as active ingredients and the use of the active substances or compositions for the control of pests.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: May 14, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Rene Zurfluh
  • Patent number: 4871757
    Abstract: The invention is concerned with novel triazole derivatives of the formula ##STR1## wherein R.sup.1 is optionally substituted phenyl and R.sup.2 signifies substituted phenyl, as more precisely defined in the description, and R.sup.3 is halogen, methyl or halomethyl, and their acid addition salts, processes for their preparation, pest control compositions which contain these compounds as the active substance, as well as methods of use of such compounds or compositions for the control of pests.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: October 3, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Christoph Luthy, Rene Zurfluh
  • Patent number: 4788210
    Abstract: The invention is concerned with novel heterocyclic compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are as hereinafter set forth, and their acid addition salts, processes for the preparation of these compounds, pest control compositions which contain these compounds as the active substance, as well as the methods of use of such compounds or compositions for the control of pests.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: November 29, 1988
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Christoph Luthy, Rene Zurfluh
  • Patent number: 4766115
    Abstract: The invention is concerned with novel heterocyclic compounds of the formula ##STR1## wherein R is C.sub.1-12 -alkyl, C.sub.3-12 -alkenyl, C.sub.3-12 -alkynyl or C.sub.3-8 -cycloalkyl and X signifies oxygen or sulfur, and none of the possible multiple bonds of R is present in the .alpha.-position to X, and their acid addition salts, processes for their manufacture, insect control compositions which contain these compounds as the active substance as well as the use of such compounds or compositions for the control of insects. Moreover, the invention is concerned with starting materials used for the preparation of such compounds.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: August 23, 1988
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Hans Bruderer, Rene Zurfluh
  • Patent number: 4625048
    Abstract: Carbamic acid esters of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, X, and Y are as defined hereinafter, process for their preparation, as well as pesticidal compositions containing these compounds as the active ingredient and methods for using the pesticidal compositions for the control of pests are described.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: November 25, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Rene Zurfluh
  • Patent number: 4607051
    Abstract: Carbamic acid compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X and Y are as hereinafter set forth, processes for their preparation, pesticidal compositions containing one or more of the carbamic acid compounds as the active ingredient and methods for using the pesticidal compositions for the control of pests, particularly insects, mites and nematodes, are described.
    Type: Grant
    Filed: August 4, 1983
    Date of Patent: August 19, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Rene Zurfluh
  • Patent number: 4582526
    Abstract: Carbamic acid ester compounds of the formula ##STR1## wherein A represents the group (a) or (b) ##STR2## wherein R.sup.1 -R.sup.8, X and Y are as defined hereinafter, processes for their preparation, herbicidal compositions containing these compounds and methods for the use of the compounds and the herbicidal compositions are disclosed.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: April 15, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Jean Wenger, Rene Zurfluh