Patents by Inventor Hans-Ludwig Elbe

Hans-Ludwig Elbe 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: 6191155
    Abstract: Novel isothiazolecarboxylic acid derivatives of the formula in which R is as defined in the description, a process for preparing the novel compounds and their use for protecting plants against attack by undesirable microorganisms and animal pests.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: February 20, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Dietmar Kuhnt, Hans-Ludwig Elbe, Christoph Erdelen, Stefan Dutzmann, Gerd Hänssler, Klaus Stenzel, Astrid Mauler-Machnik, Haruko Sawada, Haruhiko Sakuma
  • Patent number: 6180655
    Abstract: Sulphonylbenzazolones of the formula in which R1, R2, R3, R4, R5 and Q are each as defined in the description. a process for preparing these compounds and their use as microbicides in crop protection and in the protection of materials.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: January 30, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Hans-Ludwig Elbe, Robert Markert, Ralf Tiemann, Klaus Stenzel
  • Patent number: 6107336
    Abstract: The invention concerns novel dihydrofuran carboxamides of formula (I), ##STR1## in which R stands for groups of formulae (a), (b) or (c), ##STR2## in which R.sup.1, R.sup.2, R.sup.3, X, m, n and p have the meanings given in the description. The invention also concerns a process for preparing the novel substances, and their use for combating undesirable micro-organisms for plant- and material-protection purposes.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: August 22, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Franz Kunisch, Dietmar Bielefeldt, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Martin Kugler, Heinrich Schrage
  • Patent number: 6054473
    Abstract: The invention concerns 1,3-dimethyl-5-fluoro-pyrazole-4-carboxamides of formula (I) in which R stands for a group of formula(II) or (III), in which: R.sup.1 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; m stands for integers from 0 to 3 or two vicinal R.sup.1 groups together stand for an alkylene chain with 3 or 4 carbon atoms; R.sup.2 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; and n stands for integers from 0 to 3 or two vicinal R.sup.2 groups together stand for an alkylene chain with 3 or 4 carbon atoms. The invention further concerns a process for preparing the novel substances, and their use for combating undesirable micro-organisms for plant- and material-protection purposes.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: April 25, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Dietmar Bielefeldt, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel, Martin Kugler, Peter Wachtler
  • Patent number: 6043377
    Abstract: The present invention concerns novel imidazol derivatives of the formula (I), ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and A have the meanings given in the description,and the acid addition salts and metal salt complexes, several processes for the production of the novel substances and their use for combating undesirable micro-organisms in plant and material protection.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: March 28, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Hans-Ludwig Elbe, Ralf Tiemann, Markus Heil, Klaus Stenzel
  • Patent number: 5789437
    Abstract: New microbicidal compositions based on dibromo-thiophene-carboxylic acid derivatives which are known in some cases, of the formula ##STR1## in which R represents the groups --XR.sup.1, --NR.sup.2 R.sup.3, --NR.sup.4 OR.sup.5 or --NR.sup.4 --N(R.sup.5).sub.2, whereX represents oxygen or sulphur andR.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings indicated in the description, and the use of these substances for controlling undesired microorganisms.New dibromo-thiophene-carboxylic acid derivatives of the formula ##STR2## in which R.sup.9 represents the groups --SR.sup.1, --OR.sup.10, ##STR3## in which R.sup.1, R.sup.4, R.sup.5, R.sup.10, R.sup.11, R.sup.12 and R.sup.13 have the meaning indicated in the description, and processes for the preparation of the substances of the formula (I-A).
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: August 4, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Lutz Assmann, Ralf Tiemann, Uta Ecker, Gerd Hanssler, Heinz-Wilhelm Dehne
  • Patent number: 5712304
    Abstract: New benzothiophenecarboxamide S-oxides of the formula (I) ##STR1## in which R.sup.1 represents optionally substituted alkyl, or represents alkenyl or alkinyl, or represents in each case optionally substituted cycloalkyl or cycloalkylalkyl, or represents in each case optionally substituted aralkyl, aralkenyl, aralkinyl or aryl andR.sup.2 represents hydrogen or optionally substituted alkyl, orR.sup.1 and R.sup.2 together with the nitrogen atom to which they are bonded represent an optionally substituted heterocycle,R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another in each case represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio, andR.sup.1 represents hydrogen or halogen,a process for their preparation, and their use as microbicides in plant protection and in the protection of materials.New intermediates for the preparation of substances of the formula (I).
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: January 27, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Reinhard Lantzsch, Ralf Tiemann, Heinz-Wilhelm Dehne, Martin Kugler, Wilfried Paulus, Heinrich Schrage
  • Patent number: 5622546
    Abstract: The application relates to emulsion paints which are protected against fungal infestation by the use of N-alkyl-benzothiophene-2-carboxamide S,S-dioxides.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: April 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Wilfried Paulus, Heinrich Schrage, Martin Kugler, Franz Kunisch
  • Patent number: 5371065
    Abstract: Fungicidal and plant growth-regulating substituted azolylmethyloxiranes of the formula ##STR1## in which R.sup.1 stands for alkyl,R.sup.2 stands for alkyl,X stands for a nitrogen atom or the CH group,Y stands (or halogen, alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylalkyl and/or optionally substituted phenylalkoxy andm stands for the numbers 0, 1, 2 or 3,and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: December 6, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Karl H. Buchel, Wilhelm Brandes, Stefan Dutzmann, Klaus Lurssen
  • Patent number: 5369124
    Abstract: Novel substituted thiophenecarboxamides of the formula (I), ##STR1## in which R represents hydrogen or alkyl,A represents doubly linked alkanediyl,Ar represents optionally substituted aryl andn represents a number 0 or 1,with the exception of the compounds 4,5-dibromo-thiophene-2-carboxylic acid N-(4-bromophenyl)-amide, 4,5-dibromo-thiophene-2-carboxylic acid N-(2,3-dichlorophenyl)-amide and 4,5-dibromo-thiophene-2-carboxylic acid N-[2-(3,4-dimethoxyphenyl)-ethyl]-amide, and their use for combating pests.The novel compounds are described by the formula (I) and they can be prepared by analogous processes, e.g. by reacting suitable thiophenecarbonyl halides with suitable amines.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: November 29, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Ralf Tiemann, Gerd Hanssler
  • Patent number: 5356899
    Abstract: Novel substituted hydroxyalkylpyridines of the formula (I), ##STR1## in which x, A and Ar have the meanings given in the description and their acid addition salts and metal salt complexes and their use for combating pests, in particular in the field of plant protection and in the protection of materials.The compounds of the formula (I) may be prepared according to known processes, for example from suitable cyclopropyl ketones and organometallic pyridine compounds.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: October 18, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Stefan Bohm, Ralf Tiemann, Stefan Dutzmann, Heinz-Wilhelm Dehne
  • Patent number: 5278179
    Abstract: Substituted oxazolidinones, some of which are known, of the formula (I) ##STR1## in which R.sup.1 to R.sup.4 have the meanings given in the description, are used for combating pests.The new compounds and those which are known can be prepared by analogous processes by reacting suitable substituted isocyanates with suitable oxiranes or by oxidising suitable oxazolidinones.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: January 11, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Stefan Bohm, Dieter Berg, Heinz-Wilhelm Dehne, Stefan Dutzmann
  • Patent number: 5244893
    Abstract: New compounds of the formula (I) ##STR1## in which R.sup.1 -R.sup.6 have the meanings given in the description, their preparation and use in plant protection, the protection of materials and in the field of human and veterinary medicine.Formula (I) gives a definition of the compounds which can be prepared by analogous processes, for example from suitable benzothiophene derivatives by oxidation.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: September 14, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Dieter Berg, Heinz-Wilhelm Dehne, Stefan Dutzmann, Georg-Wilhelm Ludwig, Manfred Plempel
  • Patent number: 5198456
    Abstract: A new fungicidal composition comprising as active ingredientsA) 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR1## and/or 1-(4-phenyl-phenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR2## and B) 4-(2,2-difluoro-1,3-benzodioxol-7-yl)-1H-pyrrole-3-carbonitrile of the formula ##STR3##
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: March 30, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Hans Scheinpflug, Hans-Ludwig Elbe
  • Patent number: 5081265
    Abstract: Fungicidal dioxolanes of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aryl, optionally substituted aryloxy, optionally substituted arylthio, optionally substituted arylsulphinyl, optionally substituted arylsulphonyl, optionally substituted arylalkyl, optionally substituted aryloxyalkyl, optionally substituted arylthioalkyl, optionally substituted arylsulphinylalkyl, optionally substituted arylsulphonylalkyl, optionally substituted aralkyloxyalkyl, optionally substituted aralkylthioalkyl, optionally substituted aralkylsulphinylalkyl or optionally substituted aralkylsulphonylalkyl,R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another represent hydrogen, alkyl or cycloalkyl, orR.sup.3 and R.sup.4 together represent divalent alkanediyl and/orR.sup.5 and R.sup.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: January 14, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Eckart Kranz, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5047544
    Abstract: Fungicidal substituted pyridine derivatives of the formula ##STR1## in which Ar stands for optionally substituted aryl,X stands for oxygen, sulphur, sulphinyl, sulphonyl or for one of the groups --CH.sub.2 --; --O--CH.sub.2 --; --CH.sub.2 --O--; --O--CH.sub.2 --CH.sub.2 --; --S(O).sub.n --CH.sub.2 --; --CH.sub.2 --S(O).sub.n --or --S(O).sub.n --CH.sub.2 --CH.sub.2 --,in whichn in each case stands for the number 0, 1 or 2,R stands for alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl, cycloalkylalkyl or for in each case optionally substituted aryl, aralkyl, aryloxyalkyl or arylthioalkyl andm stands for the number 0 or 1,and plant-compatible acid and metal salt addition products thereof. Intermediates of the formula ##STR2## are also new.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: September 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5045108
    Abstract: Herbicidal and plant growth-regulating N-aryl-nitrogen heterocyclic compounds of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents cyano, nitro, fluorine, chlorine, bromine, iodine, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogeneoalkylthio,R.sup.3 represents halogen, hydroxyl or mercapto, or represents a radical, in each case optionally substituted, from the series comprising alkoxy, alkenyloxy, alkinyloxy, cycloalkoxy, alkylthio, alkenylthio, alkinylthio and cycloalkylthio,R.sup.4 represents hydrogen, halogen or alkyl,R.sup.5 represents hydrogen, halogen or alkyl, or together with R.sup.4 represents alkanediyl,R.sup.6 represents hydrogen or alkyl andR.sup.7 represents hydrogen or alkyl, or together with R.sup.6 represents alkanediyl,with certain provisos regarding R.sup.2.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: September 3, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Albrecht Marhold, Klaus Lurssen, Hans-Joachim Santel, Robert R. Schmidt, Birgit Krauskopf
  • Patent number: 5036073
    Abstract: Fungicidal substituted pyridine derivatives of the formula ##STR1## in which Ar stands for optionally substituted aryl,X stands for oxygen, sulphur, sulphinyl, sulphonyl or for one of the groups --CH.sub.2 --; --O--CH.sub.2 --; --CH.sub.2 --O--; --O--CH.sub.2 --CH.sub.2 --; --S(O).sub.n --CH.sub.2 --; --CH.sub.2 --S(O).sub.n -- or --S(O).sub.n --CH.sub.2 --CH.sub.2 --,in whichn in each case stands for the number 0, 1 or 2,R stands for alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl, cycloalkylalkyl or for in each case optionally substituted aryl, aralkyl, aryloxyalkyl or arylthioalkyl andm stands for the number 0 or 1,and plant-compatible acid and metal salt addition products thereof. Intermediates of the formula ##STR2## are also new.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: July 30, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5011850
    Abstract: The invention relates to compounds and their derivatives, said compounds being described herein as those of Formula (I). The compounds and compositions containing them are effective antimycotic agents and the invention includes methods for the use of said compounds and compositions.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: April 30, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Erik Regel, Karl H. Buchel, Klaus Schaller, Manfred Plempel
  • Patent number: RE34983
    Abstract: A new fungicidal composition comprising as active ingredientsA) 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR1## and/or 1-(4-phenyl-phenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR2## and B) 4-(2,2-difluoro-1,3-benzodioxol-7-yl)-1H-pyrrole-3-carbonitrile of the formula ##STR3##
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: June 27, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Hans Scheinpflug, Hans-Ludwig Elbe