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).

  • Pyrazolylarylalkines
    Patent number: 6916839
    Abstract: The present invention relates to pyrazolylarylalkines and to their use, to a process for preparing pyrazolylarylalkines and also to intermediates.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: July 12, 2005
    Assignee: Bayer Chemicals Aktiengesellschaft
    Inventors: Wolfgang Ebenbeck, Florian Rampf, Albrecht Marhold
  • Preparation of halogenated 4-aminophenols
    Publication number: 20050143425
    Abstract: The present invention relates to halogenated 4-aminophenols and to halogenated 4-(phenyidiazenyl)phenols, to a process for their preparation and to the use of the halogenated 4-hydroxyphenols for preparing active ingredients, especially in pharmaceuticals and agrochemicals.
    Type: Application
    Filed: September 3, 2004
    Publication date: June 30, 2005
    Inventors: Karen Peilstocker, Albrecht Marhold, Jens-Peter Joschek
  • Heterocyclic fluoroalkenyl thioethers (II)
    Patent number: 6908937
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) in which X represents hydrogen, halogen or alkyl, m represents integers from 3 to 10, n represents 0, 1 or 2, Het represents the groups where R1 represents hydrogen; mercapto; optionally halogen-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl or alkenyl; optionally substituted aryl; or optionally substituted heterocyclyl, Y represents oxygen or sulphur, and R2 represents hydrogen, alkyl or optionally substituted aryl, and to processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: June 21, 2005
    Assignee: Bayer Cropscience AG
    Inventors: Udo Kraatz, Bernd Gallenkamp, Albrecht Marhold, Peter Wolfrum, Wolfram Andersch, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Achim Harder
  • N-arly-substituted nitrogen-containing heterocycles, processes and novel intermediates for their preparation, and their use as herbicides and plant growth regulators
    Patent number: 6906006
    Abstract: Substituted triazolinone compounds of the formula: wherein the variables R1, R2, R7, R8, R12 and X are as defined in the specification are useful as herbicides, plant growth regulators, insecticides and acaricides. Processes for the preparation of these compounds, and intermediates useful in such preparation are also disclosed.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 14, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Uta Jensen-Korte, Franz Kunisch, Albrecht Marhold, Pieter Ooms, Otto Schallner, Hans-Joachim Santel, Robert-Rudolf Schmidt, Birgit Krauskopf, Robert-Harry Strang
  • Fluorinated benzaldehydes
    Patent number: 6903239
    Abstract: The present invention relates to fluorinated benzaldehydes, to a process for preparing them and also to the use of the fluorinated benzaldehydes for preparing active ingredients, especially in medicaments and agrochemicals.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: June 7, 2005
    Assignee: Bayer Chemical Aktiengesellschaft
    Inventors: Karen Peilstöcker, Albrecht Marhold
  • Preparation of fluorinated anilines
    Publication number: 20050101795
    Abstract: The invention relates to a process for preparing fluorinated anilines starting from the corresponding chlorinated anilines, and also to the use of the fluorinated anilines.
    Type: Application
    Filed: October 14, 2004
    Publication date: May 12, 2005
    Inventors: Mark Mikulas, Albrecht Marhold
  • Fluorinating reagents and their preparation
    Publication number: 20050085474
    Abstract: The present invention relates to ?,?-difluoroamines, fluorinating reagents comprising ?,?-difluoroamines and also processes for preparing ?,?-difluoroamines and fluorinating reagents comprising ?,?-difluoroamines.
    Type: Application
    Filed: January 5, 2004
    Publication date: April 21, 2005
    Inventors: Wolfgang Ebenbeck, Petra Hilgers, Albrecht Marhold, Jan Barten, Alexander Kolomeitsev, Gerd-Volker Roschenthaler
  • Process for preparing polyfluoroalkylithium compounds
    Patent number: 6872861
    Abstract: The invention relates to a process for preparing polyfluoroalkyl-lithium compounds by deprotonation of polyfluoroalkyl compounds by means of lithium bases.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: March 29, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Marielouise Schneider, Albrecht Marhold, Alexander Kolomeitsev, Alexander Kadyrov, Gerd-Volker Röschenthaler, Jan Barten
  • Difluoroalkylaromatics
    Publication number: 20050054733
    Abstract: The present invention relates to 3,4-difluoro-2-alkylaromatics and 2,4-difluoro-3-alkylaromatics, to a process for their preparation and to their use for preparing active ingredients.
    Type: Application
    Filed: September 7, 2004
    Publication date: March 10, 2005
    Inventors: Petra Hilgers, Albrecht Marhold
  • Preparation of fluorinated acetophenones
    Publication number: 20050043559
    Abstract: The invention relates to a process for preparing fluorinated acetophenones from fluorinated aryl compounds in the presence of N-hydroxyphthalimide and the use thereof.
    Type: Application
    Filed: June 17, 2004
    Publication date: February 24, 2005
    Inventors: Albrecht Marhold, Jens Joschek
  • Pyrazolylalkines
    Publication number: 20040229929
    Abstract: The present invention relates to pyrazolyalkines and to their use, to a process for preparing them and also to intermediates.
    Type: Application
    Filed: January 5, 2004
    Publication date: November 18, 2004
    Inventors: Wolfgang Ebenbeck, Florian Rampf, Albrecht Marhold
  • Alpha, alpha-difluoroamines and difluoromethylene-alpha, alpha-diazo compounds
    Publication number: 20040198975
    Abstract: The present invention relates to a process for preparing &agr;,&agr;-difluoroamines, difluoromethylene-&agr;,&agr;-diazo compounds and fluorination reagents containing &agr;,&agr;-difluoroamines and/or difluoromethylene-&agr;,&agr;-diazo compounds.
    Type: Application
    Filed: January 5, 2004
    Publication date: October 7, 2004
    Inventors: Wolfgang Ebenbeck, Albrecht Marhold, Alexander Kolomeitsev, Gerd-Volker Roschenthaler
  • Fluorinated aromatics
    Publication number: 20040171864
    Abstract: The present invention relates to fluorinated aromatics, to a process for preparing them and also to the use of the fluorinated aromatics for preparing active ingredients, especially in medicaments and agrochemicals.
    Type: Application
    Filed: November 21, 2003
    Publication date: September 2, 2004
    Inventors: Karen Peilstocker, Albrecht Marhold, Axel Pleschke, Guido Giffels
  • 3-Cyano-2,4,5-trifluorobenoxyl fluoride and intermediate products for the production thereof
    Publication number: 20040167350
    Abstract: The present invention relates to 3-cyano-2,4,5-trifluoro-benzoyl 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 (VT).
    Type: Application
    Filed: December 31, 2003
    Publication date: August 26, 2004
    Inventors: Albrecht Marhold, Peter Wolfrum
  • Perfluoroalkylanilines
    Publication number: 20040152898
    Abstract: The present invention relates to a process for preparing perfluoroalkylanilines and to their use for preparing active ingredients, in particular for agrochemicals.
    Type: Application
    Filed: November 6, 2003
    Publication date: August 5, 2004
    Inventors: Albrecht Marhold, Axel Pleschke
  • Delta1 pyrrolines
    Publication number: 20040152904
    Abstract: The invention relates to novel &Dgr;1-pyrrolines of the formula (I) 1
    Type: Application
    Filed: December 12, 2003
    Publication date: August 5, 2004
    Inventors: Andrew Plant, Fritz Maurer, Albrecht Marhold, Christoph Erdelen, Andreas Turberg, Olaf Hansen, Angelika Lubos-Erdelen
  • Method for production of delta 1-pyrrolines
    Publication number: 20040147764
    Abstract: 2,5-Bisaryl-&Dgr;1-pyrrolines of the formula (I) 1
    Type: Application
    Filed: March 8, 2004
    Publication date: July 29, 2004
    Inventors: Udo Kraatz, Andrew Plant, Ernst Kysela, Albrecht Marhold
  • Pyrazolylarylalkines
    Publication number: 20040142820
    Abstract: The present invention relates to pyrazolylarylalkines and to their use, to a process for preparing pyrazolylarylalkines and also to intermediates.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 22, 2004
    Inventors: Wolfgang Ebenbeck, Florian Rampf, Albrecht Marhold
  • Fluorinated benzaldehydes
    Publication number: 20040133043
    Abstract: The present invention relates to fluorinated benzaldehydes, to a process for preparing them and also to the use of the fluorinated benzaldehydes for preparing active ingredients, especially in medicaments and agrochemicals.
    Type: Application
    Filed: November 21, 2003
    Publication date: July 8, 2004
    Inventors: Karen Peilstocker, Albrecht Marhold
  • Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (I)
    Publication number: 20040127525
    Abstract: The present invention relates to novel heterocyclic fluoroalkenyl thioethers of the formula (I) 1
    Type: Application
    Filed: January 30, 2004
    Publication date: July 1, 2004
    Inventors: Udo Kraatz, Bernd Gallenkamp, Heiko Rieck, Albrecht Marhold, Peter Wolfrum, Wolfram andersch, Christoph Erdelen, Peter Losel, Andreas Turberg, Olaf Hansen, Achim Harder