Patents by Inventor Norbert Lui

Norbert Lui 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 substituted phenylisoxazoline derivatives
    Patent number: 10604495
    Abstract: The present invention relates to a process for preparing substituted phenylisoxazoline derivatives.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: March 31, 2020
    Assignee: Bayer Cropscience Aktiengesellschaft
    Inventors: Christian Funke, Jens Dietmar Heinrich, Sergii Pazenok, Norbert Lui
  • Process for preparing substituted phenylisoxazoline derivatives
    Patent number: 10189799
    Abstract: The present invention relates to a process for preparing substituted phenylisoxazoline derivatives.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: January 29, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Christian Funke, Jens Dietmar Heinrich, Sergii Pazenok, Norbert Lui
  • Method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides
    Patent number: 10189800
    Abstract: A method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides of formula (I) is described. The substituents therein are radicals such as hydrogen, alkyl, haloalkyl or aryl.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: January 29, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Christian Funke, Arnd Neeff, Sergii Pazenok, Norbert Lui
  • PROCESS FOR PREPARING SUBSTITUTED PHENYLISOXAZOLINE DERIVATIVES
    Publication number: 20190016691
    Abstract: The present invention relates to a process for preparing substituted phenylisoxazoline derivatives.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Christian FUNKE, Jens Dietmar HEINRICH, Sergii PAZENOK, Norbert LUI
  • Method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides
    Publication number: 20180273496
    Abstract: A method for preparing N-(1,3,4-oxadiazol-2-yl)arylcarboxamides of formula (I) is described. The substituents therein are radicals such as hydrogen, alkyl, haloalkyl or aryl.
    Type: Application
    Filed: September 23, 2016
    Publication date: September 27, 2018
    Inventors: Christian FUNKE, Arnd NEEFF, Sergii PAZENOK, Norbert LUI
  • Method for producing 3,5-bis(fluoroalkyl)-pyrazol-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)-pyrazoles
    Patent number: 10035773
    Abstract: The present invention relates to novel 3,5-bis(fluoroalkyl)pyrazole-4-carboxylic acid derivatives and to a process for preparing 3,5-bis(fluoroalkyl)pyrazole-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)pyrazoles.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: July 31, 2018
    Assignees: BAYER CROPSCIENCE AG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Sergii Pazenok, Norbert Lui, Jean-Pierre Vors, Frederic R Leroux, Florence Giornal
  • Method for producing substituted anthranilic acid derivatives
    Patent number: 9969717
    Abstract: The present invention relates to a process for preparing substituted anthranilic acid derivatives of the formula (I) in which R1, R2, R3 and R4 are each as defined in the description, by conversion of compounds of the general formula (IV) in the presence of a palladium catalyst and carbon monoxide. The present invention likewise relates to compounds of the general formula (IV).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: May 15, 2018
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Thomas Himmler, Sergii Pazenok, Frank Volz, Norbert Lui
  • Process for the preparation of 5-fluoro-1H-pyrazoles starting from hexafluoropropene
    Patent number: 9957256
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein and further reactions with this compound.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: May 1, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii Pazenok, Norbert Lui, Christian Funke
  • Process for preparing 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbaldehyde
    Patent number: 9951023
    Abstract: A method for the preparation of compounds of formula (I), for example, N-methyl-3-difluoromethyl-5-fluorpyrazole aldehyde, starting from compounds of formula (II), for example, N-methyl-3-haloalkyl-5 chloropyrazole aldehyde, comprising simultaneous fluorination (one step process) of haloalkyl group in position 3 and replacing haloatom in position 5 by fluorine.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: April 24, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Norbert Lui, Sergii Pazenok
  • Process for preparing 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbaldehyde
    Patent number: 9932312
    Abstract: The present invention relates to a novel process for preparing 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbaldehyde, a useful intermediate in the manufacture of fungicides.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: April 3, 2018
    Assignee: BAYER CROPSCIENCE AG
    Inventors: Norbert Lui, Sergii Pazenok
  • Process for preparing 3,5-bis(haloalkyl)pyrazoles via acylation of ketimines
    Patent number: 9914704
    Abstract: The present invention relates to a novel process for preparing 3,5-bis(haloalkyl)pyrazole derivatives of the formula (Ia) and (Ib), via acylation of ketimines.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: March 13, 2018
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventors: Sergii Pazenok, Norbert Lui
  • Process for preparing substituted phenylisoxazoline derivatives
    Publication number: 20180030002
    Abstract: The present invention relates to a process for preparing substituted phenylisoxazoline derivatives.
    Type: Application
    Filed: February 29, 2016
    Publication date: February 1, 2018
    Inventors: CHRISTIAN FUNKE, JENS DIETMAR HEINRICH, II, SERGII PAZENOK, NORBERT LUI
  • Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives via acylation of hydrazones
    Patent number: 9856222
    Abstract: Process for preparing 3,5-bis(haloalkyl)pyrazole derivatives of the formula (I), via acylation of Hydrazones.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: January 2, 2018
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventors: Sergii Pazenok, Norbert Lui
  • Process for the preparation of 5-fluoro-1H-pyrazoles
    Patent number: 9845312
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein comprising reacting an olefin with an hydrazine.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: December 19, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii Pazenok, Norbert Lui
  • Method for the production of 3,5-bis(fluoroalkyl)pyrazole derivatives
    Patent number: 9765033
    Abstract: The present invention describes a novel method for preparing 3,5-bis(fluoroalkyl)pyrazole derivatives.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: September 19, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii Pazenok, Norbert Lui
  • Process for the preparation of 5-fluoro-1H-pyrazoles
    Patent number: 9725415
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein, resulting from the reaction of an olefin with hydrazine in the presence of water and a base.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: August 8, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Sergii Pazenok, Norbert Lui, Christian Funke, Arnd Neeff, Vadim Mikhailovich Timoshenko, Elena Ivanovna Kaminskaya, Yuriy Grigorievich Shermolovich
  • METHOD FOR PRODUCING SUBSTITUTED ANTHRANILIC ACID DERIVATIVES
    Publication number: 20170217934
    Abstract: The present invention relates to a process for preparing substituted anthranilic acid derivatives of the formula (I) in which R1, R2, R3 and R4 are each as defined in the description, by conversion of compounds of the general formula (IV) in the presence of a palladium catalyst and carbon monoxide. The present invention likewise relates to compounds of the general formula (IV).
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventors: Thomas HIMMLER, Sergii PAZENOK, Frank VOLZ, Norbert LUI
  • 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
  • Process for the preparation of 5-fluoro-1H-pyrazoles starting from hexafluoropropene
    Publication number: 20170190690
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein and further reactions with this compound.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: SERGII PAZENOK, NORBERT LUI, CHRISTIAN FUNKE
  • Fungicide pyrazole carboxamides derivatives
    Patent number: 9695126
    Abstract: The present invention relates to pyrazole carboxamides derivatives of formula (1) wherein Y represents CR5 or N, T represents S or O, X1 and X2 represent a chlorine or a fluorine atom, and Z1 represents a substituted or non-substituted cyclopropyl; Their process of preparation, their use as fungicide, and/or anti-mycotoxin active agents, and/or insecticide, and/or nematicide, particularly in the form of fungicide compositions, and methods for the control of phytopathogenic fungi, notably of plants, using these compounds or compositions.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: July 4, 2017
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Guenter Bartels, Angela Becker, Juergen Benting, Christoph-Andreas Braun, Peter Dahmen, Philippe Desbordes, Christophe Dubost, Stephanie Gary, Ulrich Gorgens, Hiroyuki Hadano, Benoit Hartmann, Thomas Knobloch, Marc Kosten, Norbert Lui, Ruth Meissner, Sergiy Pazenok, Rachel Rama, Arnd Voerste, Ulrike Wachendorff-Neumann