Patents by Inventor Laurenz Gsell

Laurenz Gsell 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).

  • Publication number: 20120022053
    Abstract: Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C1-C3alkyl, cyclopropyl, halocyclopropyl, C2-C3alkenyl, C2-C3alkynyl, halo-C2-C3alkenyl, halo-C2-C3alkynyl, halo-C1-C3alkoxy, C1-C3alkylthio, halo-C1-C3alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C1-C3alkyl, C1-C3alkoxy and halogen; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; and X is N—NO2 or N—CN, and, if 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: Application
    Filed: January 25, 2010
    Publication date: January 26, 2012
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Publication number: 20110306772
    Abstract: The invention relates to a process for the preparation of 2-chloro-5-chloromethyl-thiazole, which is employed as intermediate in the preparation of compounds having a pesticidal action, which process comprises reacting a compound of formula (II), in free form or in salt form, (III), (IV), (V) or (VI) with a chlorinating agent, where R and M+ are as defined in claim 1; to the compounds of the formulae (III) and (IV), which are used in this process as intermediates; and to the use of, and a process for the preparation of, the compounds of the formulae (III) and (IV).
    Type: Application
    Filed: August 22, 2011
    Publication date: December 15, 2011
    Applicant: Syngenta Crop Protection LLC
    Inventors: Anthony Cornelius O'Sullivan, Laurenz Gsell, Rudolf Naef, Marcel Senn, Thomas Pitterna, David John Wadsworth
  • Patent number: 8013167
    Abstract: The invention relates to a process for the preparation of 2-chloro-5-chloromethyl-thiazole, which is employed as intermediate in the preparation of compounds having a pesticidal action, which process comprises reacting a compound of formula (II), in free form or in salt form, (III), (IV), (V) or (VI) with a chlorinating agent, where R and M+ are as defined in claim 1; to the compounds of the formulae (III) and (IV), which are used in this process as intermediates; and to the use of, and a process for the preparation of, the compounds of formulae (III) and (IV).
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: September 6, 2011
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Anthony Cornelius O'Sullivan, Laurenz Gsell, Rudolf Naef, Marcel Senn, Thomas Pitterna, David John Wadsworth
  • Patent number: 7655650
    Abstract: Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C1-C3alkyl, cyclopropyl, halocyclopropyl, C2-C3alkenyl, C2-C3alkynyl, halo-C2-C3alkenyl, halo-C2-C3alkynyl, halo-C1-C3alkoxy, C1-C3alkylthio, halo-C1-C3alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C1-C3alkyl, C1-C3alkoxy and halogen; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; and X is N—NO2 or N—CN, and, if 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: May 8, 2007
    Date of Patent: February 2, 2010
    Assignee: Syngenta Corporation
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Publication number: 20070219188
    Abstract: Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C1-C3alkyl, cyclopropyl, halocyclopropyl, C2-C3alkenyl, C2-C3alkynyl, halo-C2-C3alkenyl, halo-C2-C3alkynyl, halo-C1-C3alkoxy, C1-C3alkylthio, halo-C1-C3alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C1-C3alkyl, C1-C3alkoxy and halogen; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; and X is N—NO2 or N—CN, and, if 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: Application
    Filed: May 8, 2007
    Publication date: September 20, 2007
    Applicant: Syngenta Crop Protection, Inc.
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Publication number: 20030232821
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: July 22, 2003
    Publication date: December 18, 2003
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Patent number: 6664248
    Abstract: Compounds of formula wherein A is an unsubstituted or substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical wherein a ring nitrogen atom may have been replaced by a group R1 is hydrogen or C1-C3alkyl; R2 is hydrogen or C1-C3alkyl; R3 is hydrogen an unsubstituted or substituted C1-C6alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl group, or C(═O)—R5, R5 is C1-C4alkyl, C1-C4alkoxy, an unsubstituted or substituted phenyl, phenoxy or benzyloxy group, or N(R6)2, each R6, independently of the other, is hydrogen, C1-C4alkyl or unsubstituted or substituted phenyl, X is CH—NO2, N—CN or N—NO2 and n is from 1 to 3, in free form or in salt form, and, where appropriate, tautomers of those compounds and the salts thereof, can be used as agrochemical active ingredients and can be prepared in a manner known per se
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: December 16, 2003
    Assignee: Syngenta Investment Corp.
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Patent number: 6627753
    Abstract: Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C1-C3alkyl, cyclopropyl, halocyclopropyl, C2-C3alkenyl, C2-C3alkynyl, halo-C2-C3alkenyl, halo-C2-C3alkynyl, halo-C1-C3alkoxy, C1-C3alkylthio, halo-C1-C3alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C1-C3alkyl, C1-C3alkoxy and halogen; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; and X is N—NO2 or N—CN, and, if 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: September 25, 2000
    Date of Patent: September 30, 2003
    Assignee: Syngenta Investment Corporation
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Publication number: 20030166635
    Abstract: Compounds of formula 1
    Type: Application
    Filed: January 13, 2003
    Publication date: September 4, 2003
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Patent number: 6506743
    Abstract: Compounds of formula wherein A is an unsubstituted or substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical wherein a ring nitrogen atom may have been replaced by a group R1 is hydrogen or C1-C3alkyl; R2 is hydrogen or C1-C3alkyl; R3 is hydrogen, an unsubstituted or substituted C1-C3-C6alkyl, C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl group, or C(═O)—R5, R5 is C1-C4alkyl, C1-C4alkoxy, an unsubstituted or substituted phenyl, phenoxy or benzyloxy group, or N(R6)2, each R6, independently of the other, is hydrogen, C1-C4alkyl or unsubstituted or substituted phenyl, X is CH—NO2, N—CN or N—NO2 and n is from 1 to 3, in free form or in salt form, and, where appropriate, tautomers of those compounds and the salts thereof, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: January 14, 2003
    Assignee: Syngenta Investment Corporation
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Publication number: 20020068733
    Abstract: Compounds of formula 1
    Type: Application
    Filed: December 11, 2001
    Publication date: June 6, 2002
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Patent number: 6376487
    Abstract: Compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C1-C3alkyl, cyclopropyl, halocyclopropyl, C2-C3alkenyl, C2-C3alkynyl, halo-C2-C3alkenyl, halo-C2-C3alkynyl, halo-C1-C3alkoxy, C1-C3alkylthio, halo-C1-C3alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C1-C3alkyl, C1-C3alkoxy and halogen; R is hydrogen, C1-C6alkyl, phenyl-C1-C4alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl; and X is N—NO2 or N—CN, and, if 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: August 19, 1998
    Date of Patent: April 23, 2002
    Assignee: Syngenta Investment Corp.
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Patent number: 6353001
    Abstract: Compounds of formula: wherein A is an unsubstituted or substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical wherein a ring nitrogen atom may have been replaced by a group R1 is hydrogen or C1-C3alkyl; R2 is hydrogen or C1-C3alkyl; R3 is hydrogen, an unsubstituted or substituted C1-C6alkyl, C3-C6cycloalkyl, C2-C6alkenyl or C2-C6alkynyl group, or C(═O)—R5, R5 is C1-C4alkyl, C1-C4alkoxy, an unsubstituted or substituted phenyl, phenoxy or benzyloxy group, or N(R6)2, each R6, independently of the other, is hydrogen, C1-C4alkyl or unsubstituted or substituted phenyl, X is CH—NO2, N—CN or N—NO2 and n is from 1 to 3, in free form or in salt form, and, where appropriate, tautomers of those compounds and the salts thereof, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: March 5, 2002
    Assignee: Syngenta Investment Corporation
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Patent number: 6265585
    Abstract: A process for the preparation of a compound of formula (I), wherein X is a leaving group; which process comprises, a) for the preparation of a compound of formula (I) wherein X is —OS(═O)2A and A is as defined in the specification, reacting a compound of formula (II) with a sulfonylating agent; or, b) for the preparation of a compound of formula (I) wherein X is iodine, reacting a compound of formula (III) with an iodinating agent, preferably sodium iodide; or, c) for the preparation of a compound of formula (I) whrein X is bromine, reacting a compound of formula (IV) with a brominating agent; or, d) for the preparation of a compound (I) wherein X is chlorine or bromine, reacting a compound (V), wherein R and X are as defined in the specification, with a chlorinating agent, a compound of formula (Ib), the use thereof and a process for the preparation of a compound of formula (II) and a compound of formula (A) are described.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: July 24, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Thomas Pitterna, Peter Maienfisch, David John Wadsworth, Laurenz Gsell, Thomas Rapold, Henry Szczepanski
  • Patent number: 6048824
    Abstract: Compounds of formula (I), wherein A is an unsubstituted or substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical wherein a ring nitrogen atom may have been replaced by a group ##STR2## R.sub.1 is hydrogen or C.sub.1 -C.sub.3 alkyl; R.sub.2 is hydrogen or C.sub.1 -C.sub.3 alkyl; R.sub.3 is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl group, or C(.dbd.O)--R.sub.5, R.sub.5 is C.sub.1 -C.sub.4 alkyl C.sub.1 -C.sub.4 alkoxy, an unsubstituted or substituted phenyl, phenoxy or benzyloxy group, or N(R.sub.6).sub.2, each R.sub.6, independently of the other, is hydrogen, C.sub.1 -C.sub.4 alkyl or unsubstituted or substituted phenyl, X is CH--NO.sub.2, N--CN or N--NO.sub.2 and n is from 1 to 3, in free form or in salt form, and, where appropriate, tautomers of those compounds and the salts thereof, can be used as agrochemical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: April 11, 2000
    Assignee: Novartis Corporation
    Inventors: Peter Maienfisch, Jozef Gonda, Olivier Jacob, Laurenz Gsell
  • Patent number: 6022871
    Abstract: Compounds of the formula ##STR1## in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C.sub.1 -C.sub.3 alkyl, cyclopropyl, halocyclopropyl, C.sub.2 -C.sub.3 alkenyl, C.sub.2 -C.sub.3 alkynyl, halo-C.sub.2 -C.sub.3 alkenyl, halo-C.sub.2 -C.sub.3 alkynyl, halo-C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, halo-C.sub.1 -C.sub.3 alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy and halogen;R is hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl-C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl; andX is N--NO.sub.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: February 8, 2000
    Assignee: Novartis Corporation
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Patent number: 5852012
    Abstract: Compounds of the formula ##STR1## in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, where one to two of the substituents of A can be selected from the group consisting of halo-C.sub.1 -C.sub.3 alkyl, cyclopropyl, halocyclopropyl, C.sub.2 -C.sub.3 alkenyl, C.sub.2 -C.sub.3 alkynyl, halo-C.sub.2 -C.sub.3 alkenyl, halo-C.sub.2 -C.sub.3 alkynyl, halo-C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, halo-C.sub.1 -C.sub.3 alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro, and one to four of the substituents of A can be selected from the group consisting of C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy and halogen;R is hydrogen, C.sub.1 -C.sub.6 alkyl, phenyl-C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl; andX is N--NO.sub.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 22, 1998
    Assignee: Novartis Corporation
    Inventors: Peter Maienfisch, Laurenz Gsell
  • Patent number: 5750548
    Abstract: The compounds of formula I are described ##STR1## wherein Hal is halogen, such as fluorine, chlorine, bromine or iodine;R.sub.1 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.7 cycloalkyl;R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.7 cycloalkyl, andR.sub.3 is hydrogen or C.sub.1 -C.sub.6 alkyl,for use in a method of controlling fleas in domestic animals, especially in dogs and cats, wherein systemic administration is preferred. The compounds of formula I are administered in an amount effective against fleas via the digestive tract or via the blood of the host animal and thus systemically to the domestic animal, especially the dog or the cat.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: May 12, 1998
    Assignee: Novartis Corp.
    Inventors: Thomas Friedel, Eric William Moyses, Olivier Tinembart, Peter Maienfisch, Laurenz Gsell
  • Patent number: 5302605
    Abstract: Novel 3-picoline-N-oxides of formula I ##STR1## wherein R.sub.1 and R.sub.2 independently of each other are hydrogen or halogen, R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl, n is the number two or three, and Y is nitrogen or the methine group, can be used as pesticides. Especially insects are controlled.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: April 12, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Odd Kristiansen, Laurenz Gsell, Peter Maienfisch
  • Patent number: 5245040
    Abstract: A process for the preparation of 1,3-disubstituted 2-nitroguanidines of the formula I ##STR1## in which R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or a radical --CH.sub.2 B; A is an unsubstituted or mono- to tetrasubstituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical, which may contain one or two substituents from the group comprising C.sub.1 -C.sub.3 haloalkyl having 1 to 7 halogen atoms, cyclopropyl, halocyclopropyl having 1 to 3 halogen atoms, C.sub.2 -C.sub.3 alkenyl, C.sub.2 -C.sub.3 alkynyl, C.sub.2 -C.sub.3 haloalkenyl and C.sub.2 -C.sub.3 haloalkynyl having 1 to 4 halogen atoms, C.sub.1 -C.sub.3 haloalkoxy having 1 to 7 halogen atoms, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 haloalkylthio having 1 to 7 halogen atoms, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, haloallylthio, cyano and nitro and one to four substituents from the group comprising C.sub.1 -C.sub.3 alkyl, C.sub.
    Type: Grant
    Filed: October 16, 1991
    Date of Patent: September 14, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Maienfisch, Odd Kristiansen, Laurenz Gsell