Patents by Inventor Peter Hofmeister

Peter Hofmeister 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: 5173501
    Abstract: Novel substituted N-hydroxypyrazoles or N-hydroxytriazoles of the general formula I ##STR1## where X and Y are O, S, SO, SO.sub.2 or CH.sub.2, B is N-pyrazolyl or N-1,2,4-triazolyl of the formulae Ba and Bb respectively ##STR2## R.sup.1 and R.sup.2 are hydrogen or C.sub.1 -C.sub.3 -alkyl, R.sup.3 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, z is 1, 2 or 3, R.sup.4, R.sup.5 and R.sup.6 are hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, and n is 0, 1 or 2, and methods of combating pests.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: December 22, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Neubauer, Uwe Kardorff, Joachim Leyendecker, Ulf Baus, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg, Reinhard Kirstgen, Wolfgang Reuther
  • Patent number: 5166216
    Abstract: Methyl .alpha.-arylacrylates substituted by a heterocyclic radical and having the general formula ##STR1## where R is alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, halogen or aryl, the aromatic ring being unsubstituted or substituted, Het is a five-membered heteroaromatic ring which is unsubstituted or substituted and has from one to three heteroatoms, and A is ethenylene, ethylene, methyleneoxy or methylenethio, and fungicides and pesticides containing these compounds.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: November 24, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Hans-Juergen Neubauer, Thomas Kuekenhoehner, Ulrich Schirmer, Peter Hofmeister, Christoph Kuenast, Eberhard Ammermann, Gisela Lorenz, Uwe Kardorff
  • Patent number: 5163994
    Abstract: A crop protection agent containing an active ingredient and based on a polymeric carrier, the active ingredient being adsorbed onto, dissolved in or otherwise bound to the said carrier, contains, as the polymeric carrier, a macroporous crosslinked, preferably styrene-containing, polymer having a particle size such that the said agent can be distributed by means of a conventional apparatus for applying crop protection agents, the active ingredient being taken up in the carrier by absorption.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: November 17, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Roger Klimesch, Adolf Parg, Axel Sanner, Winfried Angerer, Hans Theobald, Rainer Becker, Peter Hofmeister, Christoph Kuenast, Bernd Wolf
  • Patent number: 5162376
    Abstract: Methods of combating nematodes or of preventing crop plants from being attacked by nematodes, wherein an effective amount of an alkylbenzene of the general formula I ##STR1## where R.sup.1, R.sup.2 are each C.sub.1 -C.sub.4 -alkyl;R.sup.3 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkynyl;R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.4 -alkenyl; andR.sup.5 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkynylis allowed to act on the pests or their habitat, and the use of alkylbenzenes of the formula I for combating nematodes.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: November 10, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Von Deyn, Jochen Wild, Peter Hofmeister, Uwe Kardorff, Christoph Kuenast
  • Patent number: 5151441
    Abstract: 3-Isoxazolylbenzyl esters of the general formulae Ia and Ib ##STR1## where R is halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.2 --C.sub.4 -alkenyl, C.sub.2 -C.sub.4 -haloalkenyl, C.sub.2 -C.sub.4 -alkynyl, C.sub.2 -C.sub.4 -haloalkynyl, unsubstituted or substituted phenylethenyl, C.sub.3 -C.sub.8 -cycloalkyl, aryl, hetaryl, CO.sub.2 R.sup.3 or CONR.sup.4 R.sup.5,R.sup.3, R.sup.4 and R.sup.5 are each hydrogen or C.sub.1 -C.sub.6 -alkyl,n is 0, 1 or 2, and the radicals R may be different when n is 2,R.sup.1 is halogen or C.sub.1 -C.sub.4 -alkyl,R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.2 -C.sub.4 -alkynyl or cyano andA is the carbonyl radical of an acid component usually found in pyrethroids, are contained in pesticides.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: September 29, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Mueller, Hans Theobald, Bernd Wolf, Peter Hofmeister, Uwe Kardorff, Christoph Kuenast
  • Patent number: 5147645
    Abstract: Benzyl esters of the formula I ##STR1## where R.sup.1 is methyl, ethyl, halogen, methoxy or ethoxy, R.sup.2 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, bicycloalkenyl, C.sub.1 -C.sub.5 -alkyl-substituted cycloalkyl, C.sub.1 -C.sub.5 -substituted cycloalkenyl, C.sub.1 -C.sub.5 -alkyl-substituted bicycloalkyl or C.sub.1 -C.sub.5 -alkyl-substituted bicycloalkenyl, R.sup.3 is hydrogen, cyano, C.sub.2 -C.sub.4 -alkynyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.1 -C.sub.4 -alkyl, A is the carboxylate radical of an acid component typical for pyrethroids and X is hydrogen or halogen, with the proviso that R.sup.2 is not CH.sub.2 --CH.dbd.CH--B when B is hydrogen, alkyl or alkenyl and at the same time R.sup.1 is methyl or halogen, and furthermore with the proviso that R.sup.2 is not methyl when R.sup.1 is methyl, their manufacture, their use for combating pests, and precursors for manufacturing the benzyl esters.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: September 15, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wolf, Hans Theobald, Winfried Zombik, Norbert Goetz, Jochen Wild, Albrecht Harreus, Peter Hofmeister, Christoph Kuenast, Jacobus J. DeKramer
  • Patent number: 5145873
    Abstract: Cyclopropanecarboxyamides of the general formula I ##STR1## Where R.sup.1 is C.sub.1 -C.sub.4 -alkyl, fluorine, chlorine, bromine, C.sub.1 -C.sub.3 -haloalkyl or C.sub.1 -C.sub.3 -haloalkoxy, R.sup.2 is hydrogen, fluorine, chlorine or bromine, with the proviso that R.sup.1 is not fluorine if R.sup.2 is H, and pesticides containing these compounds.
    Type: Grant
    Filed: November 14, 1989
    Date of Patent: September 8, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kardorff, Hans-Juergen Neubauer, Joachim Leyendecker, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg, Rainer Buerstinghaus
  • Patent number: 5132308
    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: October 31, 1990
    Date of Patent: July 21, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5132326
    Abstract: Cyclopropanethiocarboxamides I ##STR1## (R.sup.1, R.sup.2 =H, CN, NO.sub.2, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy; R.sup.3, R.sup.4 =H, C.sub.1 -C.sub.4 -alkyl; n=0 or 1).The compounds I are suitable as pesticides.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: July 21, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kardorff, Joachim Leyendecker, Hans-Juergen Neubauer, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg
  • Patent number: 5120756
    Abstract: Novel substituted N-hydroxypyrazoles or N-hydroxytriazoles of the general formula I ##STR1## where X and Y are O, S, SO, SO.sub.2 or CH.sub.2, B is N-pyrazolyl or N-1,2,4-triazolyl of the formulae Ba and Bb respectively ##STR2## R.sup.1 and R.sup.2 are hydrogen or C.sub.1 -C.sub.3 -alkyl, R.sup.3 is hydrogen, halogen or C.sub.1 -C.sub.3 -alkyl, z is 1, 2 or 3, R.sup.4, R.sup.5 and R.sup.6 are hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -haloalkoxy, and n is 0, 1 or 2, and methods of combating pests.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: June 9, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Juergen Neubauer, Uwe Kardoff, Joachim Leyendecker, Ulf Baus, Christoph Kuenast, Peter Hofmeister, Wolfgang Krieg, Reinhard Kirstgen, Wolfgang Reuther
  • Patent number: 5116860
    Abstract: N-substituted azoles of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 are each 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,Q is an unsubstituted or substituted azole group of the formulae IIa-IIf ##STR2## R.sup.4 to R.sup.15 denoting hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.3 -C.sub.10 -cycloalkyl or aryl which is unsubstituted or mono-, di- 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 or C.sub.1 -C.sub.4 -haloalkoxy, andX is, in the case of the azole group IIa, --CH.sub.2 -- or --O(CH.sub.2).sub.n --, n being one of the integers 1, 2 or 3, or, in the case of the azole groups IIb-IIf, --OCH.sub.2 --,pesticides containing compounds I as active ingredients, and a process for combating pests.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: May 26, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Buerstinghaus, Hans-Juergen Neubauer, Peter Hofmeister, Christoph Kuenast, Joachim Leyendecker, Uwe Kardorff
  • Patent number: 5112823
    Abstract: 3(2H)-Pyridazinone derivatives of the general formula I ##STR1## where R.sup.1 is C.sub.1 -C.sub.8 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, X is halogen, W is oxygen or sulfur, and Q is a substituted or unsubstituted, 5-or 6-membered heterocyclic structure having 2 to 4 heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur, with the proviso that Q is not isoxazolyl or pyridazinyl, and their use as pesticides.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: May 12, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Leyendecker, Hans-Juergen Neubauer, Uwe Kardorff, Thomas Kuekenhoehner, Christoph Kuenast, Peter Hofmeister
  • Patent number: 5110829
    Abstract: 2,2'-Thienylbenzothiophenes of the general formula I ##STR1## where R.sup.1 and R.sup.3 independently of one another are each halogen, alkyl, haloalkyl, alkoxy or haloalkoxy, R.sup.2 is hydrogen, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy, n is 0, 1 or 2, and the radicals may be different when n is 2, and m is 0, 1, 2, 3 or 4, and the radicals may be different when m is 2, 3 or 4, processes for their preparation, pesticides containing them and the use thereof.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: May 5, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Hans Theobald, Uwe Kardorff, Christoph Kuenast, Peter Hofmeister, Rainer Seele, Gerhard Wagenblast
  • Patent number: 5106852
    Abstract: Methods of combating pests with substituted pyrimidines of the formula I ##STR1## where R.sup.1 is alkyl, cycloalkyl, haloalkyl, alkoxy, alkylthio or substituted or unsubstituted aryl, R.sup.2 is halogen or hydrogen, A is oxygen or sulfur, and X is CH or N, and pyrimidines of the general formula Ia ##STR2## where A is oxygen or sulfur and X is CH or N, and pesticides containing these compounds.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: April 21, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Siegbert Brand, Jochen Wild, Thomas Kuekenhoehner, Peter Hofmeister, Christoph Kuenast
  • 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: 5066673
    Abstract: Substituted benzyl 2-phenylalk(en)-1-ylcyclopropanecarboxylates of the general formula I ##STR1## where R.sup.1 is halogen or in each case low molecular weight, alkyl, alkoxy, haloalkyl or haloalkoxy (n=1 to 5),R.sup.2 is halogen or, in each case low molecular weight, alkyl or haloalkyl,R.sup.3, R.sup.4 are halogen or each is an electron in a double bond formed by them together,R.sup.5 is hydrogen or, in each case low molecular weight, alkyl, alkenyl, alkynyl or cyano,R.sup.6 is halogen or alkyl (n=1 to 4),R.sup.7 is halogen (p=0 to 25),and their use for combating pests.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: November 19, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Winfried Zombik, Hans Theobald, Bernd Wolf, Ludwig Schuster, Peter Hofmeister, Christoph Kuenast
  • 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: 5047408
    Abstract: Methods of combating pests with substituted pyrimidines of the formula I ##STR1## where R.sup.1 is alkyl, cycloalyl, haloalkyl, alkoxy, alkylthio or substituted or unsubstituted aryl, R.sup.2 is halogen or hydrogen, A is oxygen, or sulfur, and X is CH or N, and pyrimidines of the general formula Ia ##STR2## where A is oxygen or sulfur and X is CH or N, and pesticides containing these compounds.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: September 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Schuetz, Siegbert Brand, Jochen Wild, Thomas Kuekenhoener, Peter Hofmeister, Christoph Kuenast
  • 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