Patents by Inventor Albrecht Marhold

Albrecht Marhold 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).

  • Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides(III)
    Publication number: 20040106658
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) 1
    Type: Application
    Filed: August 15, 2003
    Publication date: June 3, 2004
    Inventors: Udo Kraatz, Bernd Gallenkamp, Albrecht Marhold, Peter Wolfrum, Wolfram Andersch, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Achim Harder
  • Triazolopyrimidines
    Publication number: 20040097522
    Abstract: Novel triazolopyrimidines of the formula 1
    Type: Application
    Filed: November 17, 2003
    Publication date: May 20, 2004
    Inventors: Olaf Gebauer, Hans-Ludwig Elbe, Marielouise Schneider, Albrecht Marhold, Ulrike Wachendorff-Neumann, Astrid Mauler-Machnik, Karl-Heinz Kuck, Arnd Voerste, Yoshinori Kitagawa, Ulrich Heinemann, Petra Hilgers, Axel Pleschke
  • Polyhaloalkylaryls
    Publication number: 20040092762
    Abstract: The present invention relates to polyhaloalkylaryls, to a process for preparing them and to the use of the polyhaloalkylaryls for preparing active ingredients.
    Type: Application
    Filed: November 7, 2003
    Publication date: May 13, 2004
    Inventors: Albrecht Marhold, Axel Pleschke
  • Preparation of polyhaloalkanes
    Publication number: 20040092781
    Abstract: The present invention relates to a process for preparing polyhaloalkanes and to their use for preparing intermediates for agrochemicals and pharmaceuticals.
    Type: Application
    Filed: November 7, 2003
    Publication date: May 13, 2004
    Inventors: Albrecht Marhold, Axel Pleschke
  • Optically active 2,5-bisaryl-delta1-pyrrolines and their use as pest control agents
    Publication number: 20040059129
    Abstract: Novel optically active &Dgr;1-pyrrolines of the formula (I) 1
    Type: Application
    Filed: July 28, 2003
    Publication date: March 25, 2004
    Inventors: Andrew Plant, Thomas Geller, Bernd Gallenkamp, Rolf Grosser, Albrecht Marhold, Christoph Erdelen, Andreas Turberg, Olaf Hansen
  • Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (IV)
    Patent number: 6710045
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) in which m represents integers from 3 to 10, n represents 0, 1 or 2 and Het represents the following, in each case optionally substituted, groupings: to processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: March 23, 2004
    Assignee: Bayer CropScience AG
    Inventors: Udo Kraatz, Bernd Gallenkamp, Albrecht Marhold, Peter Wolfrum, Wolfram Andersch, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Achim Harder
  • 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof
    Patent number: 6706918
    Abstract: The present invention relates to 3-cyano-2,4,5-trifluorobenzoyl fluoride and to intermediates for its preparation and to the process for the preparation of 3-cyano-2,4,5-trifluoro-benzoyl fluoride, which starts from 5-fluoro-1,3-xylene (VIII); which is bichlorinated in the ring in the presence of a catalyst under ionic conditions to give 2,4-dichloro-5-fluoro-1,3-dimethylbenzene (VII). The latter is chlorinated in the side chains under free-radical conditions to give 2,4-dichloro-5-fluoro-3-dichloromethyl-1-trichloromethylbenzene (VI).
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: March 16, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Peter Wolfrum
  • N-alkoxlyalkyl-substituted benzimidazoles and the use thereof as an agent against parastic protozoans
    Publication number: 20040044055
    Abstract: The present invention relates to novel N-alkoxyalkyl-substituted benzimidazoles, to their preparation and to their use as agents against parasitic protozoa.
    Type: Application
    Filed: April 3, 2003
    Publication date: March 4, 2004
    Inventors: Folker Lieb, Albrecht Marhold, Torsten Neugebauer, Gisela Greif
  • Substituted benzimidazoles, their preparation and their use as agents against parasitic protozoa
    Publication number: 20040010025
    Abstract: The present invention relates to new substituted benzimidazoles, their preparation and their use as agents against parasitic protozoa.
    Type: Application
    Filed: July 3, 2003
    Publication date: January 15, 2004
    Inventors: Gisela Greif, Axel Haberkorn, Bernd Baasner, Folker Lieb, Albrecht Marhold
  • Method for producing ketocarboxylic acid derivatives
    Publication number: 20030220517
    Abstract: A novel process affords &ohgr;-ketocarboxylic acid derivatives of the formula (I) 1
    Type: Application
    Filed: March 14, 2003
    Publication date: November 27, 2003
    Inventor: Albrecht Marhold
  • Delta 1-pyrrolines for use as pesticides
    Publication number: 20030220386
    Abstract: Novel &Dgr;1-pyrrolines of the formula (I) 1
    Type: Application
    Filed: June 9, 2003
    Publication date: November 27, 2003
    Inventors: Andrew Plant, Albrecht Marhold, Rolf Grosser, Christoph Erdelen, Andreas Turberg, Olaf Hansen
  • Heterocyclic fluoroalkenyl thioethers (II)
    Publication number: 20030207869
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) 1
    Type: Application
    Filed: May 6, 2003
    Publication date: November 6, 2003
    Inventors: Udo Kraatz, Bernd Gallenkamp, Albrecht Marhold, Peter Wolfrum, Wolfram Andersch, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Achim Harder
  • Halogenobenzimidazoles and their use as microbicides
    Patent number: 6638960
    Abstract: New halogenobenzimidazoles of the formula in which A, R1, R2, R3, R4 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 formulae in which R12-R17 and X have the meanings given in the description, and processes for the preparation of these substances.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: October 28, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Ralf Tiemann, Klaus Stenzel
  • Fluoromethoximino compounds
    Patent number: 6632817
    Abstract: The invention relates to novel fluoromethoximino compounds, to a process for their preparation and to their use as pesticides, and also to novel intermediates and to a plurality of processes for their preparation.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: October 14, 2003
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Albrecht Marhold, Uwe Stelzer, Reinhard Lantzsch, Ralf Tiemann, Klaus Stenzel, Astrid Mauler-Machnik, Stefan Dutzmann, Martin Kugler, Hans-Ulrich Buschhaus
  • Heterocylic fluoroalkenyl thioethers and the use thereof as pesticides (IV)
    Publication number: 20030187259
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) 1
    Type: Application
    Filed: May 12, 2003
    Publication date: October 2, 2003
    Inventors: Udo Kraatz, Bernd Gallenkamp, Albrecht Marhold, Peter Wolfrim, Wolfram Andersch, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Achim Harder
  • Substituted benzimidazoles, production and use thereof as agents for combating parasitic protozoas
    Patent number: 6620833
    Abstract: The present invention relates to new substituted benzimidazoles, their preparation and their use as agents against parasitic protozoa. The active compounds are characterized by the following formula (I): in which X1 represents chlorine or bromine, R1 represents hydrogen or C1-4-alkyl, R3 represents fluoroalkyl, R2 represents the radical R4 represents alkyl or substituted phenyl, R5 represents alkyl.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: September 16, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gisela Greif, Axel Haberkorn, Bernd Baasner, Folker Lieb, Albrecht Marhold
  • Process for preparing fluorine-containing benzaldehydes
    Patent number: 6596906
    Abstract: The invention relates to a particularly advantageous preparation of fluorine-containing benzaldehydes by reacting a corresponding aromatic acid chloride with hydrogen in the presence of a supported palladium catalyst and a catalyst moderator.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: July 22, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Käthe Baumann, Albrecht Marhold
  • Process for preparing fluorine-containing benzaldehydes
    Publication number: 20030125583
    Abstract: The invention relates to a particularly advantageous preparation of fluorine-containing benzaldehydes by reacting a corresponding aromatic acid chloride with hydrogen in the presence of a supported palladium catalyst and a catalyst moderator.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 3, 2003
    Inventors: Kathe Baumann, Albrecht Marhold
  • Process for the preparation of trifluoromethyl-substituted biphenylcarboxylic acids and novel trichloromethyl-and trifluoromethyl-substituted biphenylcarbonitriles
    Patent number: 6580002
    Abstract: Trifluoromethyl-substituted biphenylcarboxylic acids are prepared by converting methyl-substituted biphenylcarbonitriles into the corresponding trichloromethyl-substituted biphenylcarbonitriles, converting the trichloromethyl group thereof to a trifluoromethyl group and thus obtaining trifluoromethyl-substituted biphenylcarbonitriles, and preparing the corresponding carboxylic acids therefrom by hydrolysis. A number of intermediates arising during this are novel compounds.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: June 17, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Müller, Albrecht Marhold, Karen Peilstöcker
  • Substituted benzimidazole, the production thereof and the use thereof as means against parasitic protozoa
    Patent number: 6569881
    Abstract: The present invention relates to a new substituted benzimidazoles, their preparation and their use as agents against parasitic protazoa.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: May 27, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Giesela Greif, Axel Haberkorn, Bernd Baasner, Folker Lieb, Albrecht Marhold, Jörn Stölting