Patents by Inventor Joachim Leyendecker

Joachim Leyendecker 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: 5082852
    Abstract: Cyclopropanecarboxamides of the general formula I ##STR1## wherein R.sup.1 is hydrogen, halogen or low-molecular-weight alkyl, R.sup.2 and R.sup.3 are hydrogen or low-molecular-weight alkyl, R.sup.4 to R.sup.8 are each hydrogen, halogen or low-molecular-weight alkyl, A is substituted or unsubstituted hetaryl with 1, 2 or 3 nitrogen atoms and six ring members, n is 0 or 1, methods for their manufacture, and their use for combating pests.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: January 21, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kardorff, Hans-Juergen Neubauer, Joachim Leyendecker, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5063232
    Abstract: Snails and slugs are controlled by a method in which the plants to be protected from molluscs, or the environment of the said plants, are or is treated with 2-tert-butyl-4-chloro-5-(4-tert-butylbenzylthio)-3 (2H)-pyridazinone I ##STR1## Snail and slug baits or seed dressings contain the active ingredient I.
    Type: Grant
    Filed: July 6, 1990
    Date of Patent: November 5, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Christoph Kuenast, Peter Hofmeister
  • Patent number: 5013847
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the formulae Ia and Ib ##STR1## where the substituents have the following meanings: R.sup.1 C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.2 -C.sub.12 -alkynyl, C.sub.1 -C.sub.12 -haloalkyl, C.sub.2 -C.sub.12 -haloalkenyl, C.sub.2 -C.sub.12 -haloalkynyl, C.sub.3 -C.sub.12 -alkoxyalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.4 -C.sub.12 -cycloalkylalkyl, C.sub.3 -C.sub.8 -halocycloalkyl, C.sub.4 -C.sub.12 -halocycloalkylalkyl, C.sub.4 -C.sub.12 -cycloalkylhaloalkyl or C.sub.4 -C.sub.12 -halocycloalkylhaloalkyl;Z hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano in the case of Ia and hydrogen, halogen, or C.sub.1 -C.sub.4 -alkyl in the case of Ib;X O, S, SO.sub.2 ;Q.sub.a substituted or unsubstituted azole;Q.sub.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: May 7, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Wolfgang Krieg, Peter Hofmeister
  • Patent number: 4996216
    Abstract: Phenoxyalkyl-substituted heteroaromatics of the general formulae Ia and Ib ##STR1## where A is an unsubstituted or substituted heteroaromatic radical having 6 ring members and 1, 2 or 3 nitrogen atoms in the ring, R.sup.1 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, Q.sub.a is an unsubstituted or substituted azole radical and Q.sub.b is a substituted or unsubstituted heteroaromatic radical which has a five-membered ring,and their use for combating pests.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: February 26, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 4981851
    Abstract: Snails and slugs are controlled by a method in which the plants to be protected from molluscs, or the environment of the said plants, are or is treated with 2-tert-butyl-4-chloro-5-(4-tert-butylbenzylthio)-3(2H)-pyridazinone I ##STR1## Snail and slug baits or seed dressings contain the active ingredient I.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: January 1, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Christoph Kuenast, Peter Hofmeister
  • Patent number: 4943585
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 4943584
    Abstract: Novel (p-phenoxyphenoxy)-methyl-five-membered heeroaromatic radicals of the formula ##STR1## where the substituents have the following meanings: R.sup.1, R.sup.2, R.sup.3 hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.3 -C.sub.10 -cycloalkyl, nitro or cyano,R.sup.4 hydrogen or C.sub.1 -C.sub.4 -alkyl, and a five-membered heteroaromatic ring, and their use for combating pests.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: July 24, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Theobald, Christoph Kuenast, Peter Hofmeister, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Wolfgang Krieg, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 4937256
    Abstract: Thiophene compounds of the formula I ##STR1## where the substituents and the index have the following meanings: n is 0 or 1;R.sup.1 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.8 -haloalkyl or C.sub.1 -C.sub.6 -haloalkoxy;R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are cyano, nitro or the groups given for R.sup.1 ;A is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.6 -haloalkoxy, substituted or unsubstituted aryl or heteroaryl, a radical OR.sup.6, whereR.sup.6 is hydrogen, C.sub.1 -C.sub.8 -alkyl, substituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted C.sub.2 -C.sub.8 -alkenyl, substituted or unsubstituted C.sub.3 -C.sub.7 -alkynyl, C.sub.4 -C.sub.9 -cycloalkyl, or a radical NR.sup.7 R.sup.8, where R.sup.7 and R.sup.8 are hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.6 -haloalkyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: June 26, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Joachim Leyendecker, Rainer Seele, Stefan Karbach, Norbert Meyer, Karl-Otto Westphalen, Bruno Wuerzer, Gerhard Wagenblast
  • Patent number: 4929617
    Abstract: 2-tert-butyl-5-isoxazolylmethylthio-3(2H)-pyridazin-3-one derivatives of the general formula ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.2 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.8 -alkenyl, C.sub.1 -C.sub.4 -haloalkenyl, C.sub.2 -C.sub.8 -alkoxyalkyl, C.sub.3 -C.sub.10 -cycloalkyl, C.sub.2 -C.sub.5 -alkoxycarbonyl, aryl or C.sub.7 -C.sub.20 -aralkyl, or aryl which is monosubstituted, disubstituted or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, phenyl, phenoxy or cyano and/or monosubstituted or disubstituted by nitro or C.sub.7 -C.sub.20 -aralkyl substituted by the said substituents in the aryl moiety, R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl or C.sub.2 -C.sub.8 -alkenyl and X is chlorine or bromine, their preparation and their use for controlling pests.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: May 29, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Rainer Buerstinghaus, Hans Theobald, Christoph Kuenast, Peter Hofmeister