Patents by Inventor Winfried Etzel

Winfried Etzel 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).

  • PROCESS FOR PREPARING AMINOFURANES
    Publication number: 20230339876
    Abstract: The present invention relates to a novel method for preparing 4-aminofurans of the general formula (I) and salts thereof.
    Type: Application
    Filed: July 20, 2021
    Publication date: October 26, 2023
    Inventors: Sergii PAZENOK, Winfried ETZEL
  • DISUBSTITUTED 5(3)-PYRAZOLE CARBOXYLATES AND A PROCESS FOR THEIR PREPARATION FROM ENOLATES AND FLUOROALKYLAMINOREAGENTS (FAR) REAGENTS
    Publication number: 20210253533
    Abstract: The present invention relates to disubstituted 5(3)-pyrazole carboxylates of the formula (Ia) or (Ib) and a process for their preparation wherein R1, R2, R3, R4 and n are defined as above.
    Type: Application
    Filed: June 14, 2019
    Publication date: August 19, 2021
    Inventors: Sergii PAZENOK, Anton LISHCHYNSKYI, Arnd NEEFF, Winfried ETZEL
  • Process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives
    Patent number: 9840459
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: December 12, 2017
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Taraneh Farida, Berndt Maiwald, Martin Littmann, Winfried Etzel, Rafael Warsitz, Nicolas Henck, Michael Esser
  • Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from ?,?-dihaloamines and ketimines
    Patent number: 9701640
    Abstract: The present invention relates to a novel process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from ?,?-dihaloamines and ketimines.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 11, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii Pazenok, Norbert Lui, Christian Funke, Winfried Etzel, Arnd Neeff
  • Method for the preparation of perfluoroalkyl containing pyrazoles carboxylates
    Patent number: 9617220
    Abstract: The present invention pertains to a novel process for the preparation of Fluoroalkylpyrazole- or Bisperfluoroalkypyrazole carboxylates comprising a cyclization of Perfluoroalkyl ketoesters with hydrazines.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: April 11, 2017
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Sergii Pazenok, Winfried Etzel, Norbert Lui, Arnd Neeff
  • Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from a,a-dihaloamines and ketimines
    Publication number: 20170088521
    Abstract: The present invention relates to a novel process for preparing 3,5-bis(haloalkyl)pyrazole derivatives from ?,?-dihaloamines and ketimines.
    Type: Application
    Filed: March 20, 2015
    Publication date: March 30, 2017
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii PAZENOK, Norbert LUI, Christian FUNKE, Winfried ETZEL, Arnd NEEFF
  • Process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from ?,?-dihaloamines
    Patent number: 9512081
    Abstract: The present invention relates to a novel process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from ?,?-dihaloamines.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: December 6, 2016
    Assignees: BAYER CROPSCIENCE AKTIENGESELLSCHAFT, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Sergii Pazenok, Norbert Lui, Arnd Neeff, Winfried Etzel, Jean-Pierre Vors, Frederic R. Leroux, Gregory Landelle, Mark James Ford
  • PROCESS FOR PREPARING CIS-ALKOXY-SUBSTITUTED SPIROCYCLIC PHENYLACETYLAMINO ACID ESTERS AND CIS- ALKOXY-SUBSTITUTED SPIROCYCLIC 1H- PYRROLIDINE-2,4-DIONE DERIVATIVES
    Publication number: 20160264516
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Application
    Filed: May 23, 2016
    Publication date: September 15, 2016
    Inventors: Taraneh FARIDA, Berndt MAIWALD, Martin LITTMANN, Winfried ETZEL, Rafael WARSITZ, Nicolas HENCK, Michael ESSER
  • Process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis- alkoxy-substituted spirocyclic 1H- pyrrolidine-2,4-dione derivatives
    Patent number: 9376374
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: June 28, 2016
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Taraneh Farida, Berndt Maiwald, Martin Littmann, Winfried Etzel, Rafael Warsitz, Nicolas Henck, Michael Esser
  • PROCESS FOR PREPARING 3,5-BIS(FLUOROALKYL)PYRAZOLE DERIVATIVES FROM a,a-DIHALOAMINES
    Publication number: 20160108000
    Abstract: The present invention relates to a novel process for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives from ?,?-dihaloamines.
    Type: Application
    Filed: May 19, 2014
    Publication date: April 21, 2016
    Inventors: Sergii PAZENOK, Norbert LUI, Arnd NEEFF, Winfried ETZEL, Jean-Pierre VORS, Frederic R. LEROUX, Gregory LANDELLE, Mark James FORD
  • METHOD FOR THE PREPARATION OF PERFLUOROALKYL CONTAINING PYRAZOLES CARBOXYLATES
    Publication number: 20150239846
    Abstract: The present invention pertains to a novel process for the preparation of Fluoroalkylpyrazole- or Bisperfluoroalkypyrazole carboxylates comprising a cyclization of Perfluoroalkyl ketoesters with hydrazines.
    Type: Application
    Filed: August 2, 2013
    Publication date: August 27, 2015
    Inventors: Sergii Pazenok, Winfried Etzel, Norbert Lui, Arnd Neeff
  • PROCESS FOR PREPARING CIS-ALKOXY-SUBSTITUTED SPIROCYCLIC PHENYLACETYLAMINO ACID ESTERS AND CIS- ALKOXY-SUBSTITUTED SPIROCYCLIC 1H- PYRROLIDINE-2,4-DIONE DERIVATIVES
    Publication number: 20150051407
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Application
    Filed: March 25, 2013
    Publication date: February 19, 2015
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Taraneh Farida, Berndt Maiwald, Martin Littmann, Winfried Etzel
  • Process for preparing dithiine-tetracarboximides
    Patent number: 8450360
    Abstract: The present invention relates to a new process for preparing dithiine-tetracarboximides.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: May 28, 2013
    Assignee: Bayer CropScience AG
    Inventors: Thomas Himmler, Winfried Etzel, Frank Volz
  • Process for Preparing Dithiine-tetracarboximides
    Publication number: 20110269973
    Abstract: The present invention relates to a new process for preparing dithiine-tetracarboximides.
    Type: Application
    Filed: April 14, 2011
    Publication date: November 3, 2011
    Applicant: Bayer CropScience AG
    Inventors: Thomas HIMMLER, Winfried ETZEL, Frank VOLZ
  • Cyclic dodecapeptide and process for the preparation thereof
    Patent number: 6384186
    Abstract: The present invention relates to a novel organochemical compound, referred to as omphalotin for short, a process for its preparation by an essentially microbiological route and its use as microbicide and pesticide, preferably for controlling animal pests, harmful fungi and bacteria.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: May 7, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heidrun Anke, Winfried Etzel, Wolfgang Gau, Rüdiger Hain, Michael Kilian, Anke Mayer, Olov Sterner
  • CYCLIC DODECAPEPTIDE AND PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20010008634
    Abstract: The present invention relates to a novel organochemical compound, referred to as omphalotin for short, a process for its preparation by an essentially microbiological route and its use as microbicide and pesticide, preferably for controlling animal pests, harmful fungi and bacteria.
    Type: Application
    Filed: May 29, 1998
    Publication date: July 19, 2001
    Inventors: HEIDRUN ANKE, WINFRIED ETZEL, WOLFGANG GAU, RUDIGER HAIN, MICHAEL KILIAN, ANKE MAYER, OLOV STERNER
  • Process for the preparation of substituted aryl lactic acid containing cyclodepsipeptides with 24 ring atoms
    Patent number: 6033879
    Abstract: The present invention relates to a new process for the preparation of substituted aryllactic acid-containing cyclodepsipeptides having 24 ring atoms of the formula (I): ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 have the meaning given in the description,with the aid of fungal strains of the species Agonomycetales or enzymatic preparations isolated therefrom.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: March 7, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Jeschke, Gerhard Bonse, Gerhard Thielking, Winfried Etzel, Achim Harder, Norbert Mencke, Horst Kleinkauf, Rainer Zocher, Katsuharu Iinuma, Kouichi Miyamoto