Patents by Inventor Ralf Tiemann

Ralf Tiemann 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: 6114539
    Abstract: The present invention provides mercapto-imidazolyl compounds, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, 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: 6103717
    Abstract: Compounds of the formula (I) ##STR1## in which A represents optionally substituted alkanediyl,R represents in each case optionally substituted cycloalkyl, aryl or benzo-fused heterocyclyl,E represents --CH.dbd. or nitrogen,Q represents oxygen, sulphur, --CH.sub.2 --O--, a single bond, or a nitrogen atom which is optionally substituted by alkyl, andX represents halogen.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Bernd-Wieland Kruger, Bernd Gallenkamp, Uwe Stelzer, Albrecht Marhold, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Patent number: 6103726
    Abstract: Pyrrolopyrimidines of formula (I) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A have the meanings given in the description, and their acid-addition salts and metal salt complexes are very highly suitable for combatting vegetable and animal pests.Novel pyrrolopyrimidines of formula (Ia) in which R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10 and Z have the meanings given in the description, and their acid-addition salts and metal salt complexes, and a process for their production.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Kuhnt, Klaus-Gunther Tietjen, Hermann Uhr, Robert Markert, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • Patent number: 6100402
    Abstract: Novel pyridyl-1,2,4-thiadiazoles of the formula ##STR1## in which R.sup.1 represents optionally substituted pyridyl, andR.sup.2 represents optionally substituted aryl,and the acid addition salts and metal salt complexes thereof,a process for the preparation of the novel substances and their use as agents for combating pests.Novel 5-arylalkylthio-1,2,4-thiadiazoles of the formula ##STR2## and 3-pyridyl-1,2,4-thiadiazoline-5-thiones of the formula ##STR3## in which R.sup.1 and R.sup.2 have the meanings given above, processes for the preparation of these substances and their use as intermediates.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: August 8, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Ralf Tiemann, Heinz-Wilhelm Dehne
  • Patent number: 6054621
    Abstract: The invention relates to novel alkoxyacrylic thiol esters, to a plurality of processes for their preparation and to their use as fungicides, and to novel intermediates and to a plurality of processes for their preparation.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: April 25, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Kruger, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Gerd Hanssler
  • 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: 6031107
    Abstract: The invention relates to new fluoromethoxyacrylic acid derivatives, a process for their preparation and their use as pesticides, as well as to new intermediates and a plurality of processes for their preparation.It has already been disclosed that certain fluoromethoxyacrylic acid derivatives which are similar in constitution to the compounds described below have fungicidal properties (compare, for example, WO 9517376). The fungicidal action of these compounds, however, is unsatisfactory in many cases.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: February 29, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Albrecht Marhold, Uwe Stelzer, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann
  • Patent number: 6031104
    Abstract: Fungicidal novel pyridyl-1,2,4-thiadiazoles of the formula ##STR1## in which R.sup.1 represents optionally substituted pyridyl, andR.sup.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: February 29, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Ralf Tiemann, Heinz-Wilhelm Dehne
  • Patent number: 6020354
    Abstract: New halogenobenzimidazoles of the formula in whichA, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings given in the description,and their acid addition salts and metal salt complexes,a process for their preparation and their use as microbicides in crop protection and in the protection of materials.New intermediates of the formula ##STR1## in which R.sup.12 -R.sup.17 and X have the meanings given in the description,and processes for the preparation of these substances.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: February 1, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Ralf Tiemann, Klaus Stenzel
  • Patent number: 6008257
    Abstract: Hydroxamic derivatives of the formula (I): ##STR1## in which A represents hydrogen or a grouping which can be readily eliminated;A.sup.1 represents hydrogen or alkyl;Ar represents optionally substituted arylene or heteroarylene;E represents a 1-alkene-1,1-diyl grouping which contains a radical R.sup.1 in the 2-position, or represents a 2-aza-1-alkene-1,1-diyl grouping which contains a radical R.sup.2 in the 2-position, or represents an optionally substituted imino grouping ("azamethylone", N--R.sup.3);G represents a bridge member as defined herein; andZ represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, aryl or heterocyclyl;are useful as fungicides. Also disclosed is a process for preparing the compounds of formula (I).
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: December 28, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Thomas Seitz, Bernd Gallenkamp, Ralf Tiemann, Gerd Hanssler, Heinz-Wilhelm Dehne, Stefan Dutzmann
  • Patent number: 6001879
    Abstract: The invention relates to known and to new acylaminosalicylamides, to a plurality of processes for their preparation and to their use as pesticides. The present application furthermore relates to new intermediates, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: December 14, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Seitz, Klaus Naumann, Ralf Tiemann, Klaus Stenzel, Gerd Hanssler, Stefan Dutzmann
  • Patent number: 5985903
    Abstract: Novel benzotriazoles of the formula ##STR1## in which R, X.sup.1, X.sup.2, X.sup.3, X.sup.4 and Y have the meanings given in the description,and their acid addition salts and metal salt complexes,a process for the preparation of these substances and their use as microbicides in crop protection and in material protection.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: November 16, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Ralf Tiemann, Martin Kugler, Heinrich Schrage, Klaus Stenzel
  • Patent number: 5977123
    Abstract: The invention relates to novel oximether and acrylic acid derivatives of the formula (I) ##STR1## in which Z, G, Ar, E, R.sup.1 and R.sup.2 have the meanings as given in the specification, to processes for their preparation and to their use as fungicides.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: November 2, 1999
    Assignee: Bayer Aktiengesellscgaft
    Inventors: Peter Gerdes, Herbert Gayer, Ulrich Heinemann, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann
  • Patent number: 5922881
    Abstract: The invention relates to novel heterocyclic imino derivatives, several processes for their preparation and their use for controlling pests.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: July 13, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Thomas Seitz, Ralf Tiemann, Heinz-Wilhelm Dehne, Klaus Stenzel
  • Patent number: 5883250
    Abstract: New azadioxacycloalkenes of the formula (I): ##STR1## wherein Z, G, Ar, E and A are as defined herein, fungicidal compositions containing them, processes for preparing them, and methods of using them to combat fungi.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: March 16, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Ulrich Philipp, Thomas Seitz, Jorg Stetter, Ralf Tiemann, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5859039
    Abstract: Triazolyl derivatives of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aroxyalkyl, optionally substituted aryl or optionally substituted heteroaryl andX represents the groups --SH, --SR.sup.3, --SO--R.sup.3, --SO.sub.2 --R.sup.3 or --SO.sub.3 H, in whichR.sup.3 represents alkyl which is optionally substituted by fluorine and/or chlorine, alkenyl which is optionally substituted by fluorine and/or chlorine, optionally substituted aralkyl or optionally substituted aryl,and their acid addition salts and metal salt complexes,a plurality of processes for the preparation of the new substances, and their use as microbicides in plant protection and materials protection.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: January 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Patent number: 5852013
    Abstract: The invention relates to novel substituted arylazadioxacycloalkenes, a plurality of processes for their preparation and to their use as fungicides.
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: December 22, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Gerdes, Herbert Gayer, Dietmar Kuhnt, Ralf Tiemann, 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