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: 5789430
    Abstract: Triazolyl derivatives ##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: May 14, 1997
    Date of Patent: August 4, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Patent number: 5756523
    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 5, 1996
    Date of Patent: May 26, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Ralf Tiemann, Heinz-Wilhelm Dehne
  • Patent number: 5728737
    Abstract: The present invention relates to novel N-alkoxy-arnidine derivatives of the formula (I), to a process for their preparation and to their use as pesticides. In addition, the invention also relates to novel intermediates and to a process for their preparation.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: March 17, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Bernd-Wieland Kruger, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel
  • 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: 5679676
    Abstract: The application relates to new azadioxacycloalkenes of the formula (I) ##STR1## in which Z, G, Ar, E and A have the meaning given in the description, to a process for their preparation, and to their use as fungicides.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: October 21, 1997
    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: 5633267
    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: May 19, 1995
    Date of Patent: May 27, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Ralf Tiemann, Heinz-Wilhelm Dehne
  • Patent number: 5502066
    Abstract: The invention relates to the use of 1,2,4-dithiazolium salts, some of which are known, of the general formula (I) ##STR1## in which the substituents have the meaning given in the description, to a process for their preparation and to their use as chemotherapeutics, in particular as TNF inhibitors.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: March 26, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Ralf Tiemann, Klaus Stu/ nkel
  • Patent number: 5371095
    Abstract: There are described new pyridyl derivatives of the formula (I) ##STR1## in which Ar and A have the meaning given in the description, their preparation, and new intermediates.The new compounds of the formula (I) are used as pesticides.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: December 6, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter C. Knuppel, Alexander Klausener, Ralf Tiemann, Stefan Dutzmann, Heinz-Wilhelm Dehne, Ulrike Wachendorff-Neumann
  • 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