Patents by Inventor Michael Rack

Michael Rack 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).

  • Publication number: 20210276959
    Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.
    Type: Application
    Filed: May 18, 2021
    Publication date: September 9, 2021
    Inventors: Eric George Klauber, Michael Rack, Roland Goetz, Sebastian Soergel
  • Patent number: 11072593
    Abstract: This invention relates to a process for the epoxidation of a tetrasubstituted alkene such as terpinolene to the corresponding epoxide such as terpinolene epoxide by reacting the tetrasubstituted alkene with performic acid prepared in situ from formic acid and hydrogen peroxide in the presence of at least one buffering agent. Further, the invention relates to the use of an oxidizing agent comprising hydrogen peroxide and formic acid for the in-situ epoxidation of a tetrasubstituted alkene.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: July 27, 2021
    Assignee: BASF AGRO B.V.
    Inventors: Joachim Gebhardt, Michael Rack, Bernd Wolf, Stefan Benson, Roland Goetz, Helmut Kraus
  • Patent number: 11046656
    Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: June 29, 2021
    Assignee: BASF SE
    Inventors: Eric George Klauber, Michael Rack, Roland Goetz, Sebastian Soergel
  • Publication number: 20210163496
    Abstract: This invention relates to a process for preparing (±)-2-exo-(2-Methylbenzyloxy)-1-methyl-4-isopropyl-7-oxabicyclo[2.2.1]heptane of the formula (I), any one of its individual enantiomers or any non-racemic mixture thereof any one of its individual enantiomers or any non-racemic mixture thereof, comprising the steps of (a) reacting (±)-2-exo-hydroxy-1-methyl-4-isopropyl-7-oxabicyclo[2.2.1]heptane of the formula (II), any one of its individual enantiomers or any non-racemic mixture thereof (as defined in the description) with elemental sodium to form a sodium salt of the formula (III), any one of its individual enantiomers or any non-racemic mixture thereof (as defined in the description), and (b) reacting said sodium salt (III) with a 2-Methylbenzyl compound of the formula (IV) wherein X is a leaving group, wherein the steps (a) and (b) are conducted in the presence of at least one substantially anhydrous inert organic solvent.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 3, 2021
    Inventors: Michael Rack, Stefan Benson, Bernd Wolf, Roland Goetz
  • Patent number: 11021452
    Abstract: The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles (compounds I), which can be obtained through reaction of hydroxyamidine compounds of formula II with trifluoroacetyl halides IIa.
    Type: Grant
    Filed: July 21, 2018
    Date of Patent: June 1, 2021
    Assignee: BASF SE
    Inventors: Christopher Koradin, Wassilios Grammenos, Michael Rack, Kailaskumar Borate, Roland Goetz
  • Patent number: 10981883
    Abstract: The present invention relates to a process for the preparation of the compounds II from the respective oxo compounds. Furthermore, the invention relates to a process for the preparation of triazole compounds from oxiranes II.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: April 20, 2021
    Assignee: BASF AGRO B.V.
    Inventors: Thomas Zierke, Joachim Gebhardt, Peter Schaefer, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann
  • Patent number: 10975036
    Abstract: The present invention relates to a catalytic process for preparing pyrazoles of formula V comprising the step of cyclizing hydrazone substituted ?,?-unsaturated carbonyl compounds by reacting them with hydrogen in a reaction mixture comprising as components (a) a hydrogenation catalyst, (b) an acid selected from Brønsted acids, ammonium salts of Brønsted acids, and Lewis acids, (c) a protic solvent, and optionally (d) an aprotic solvent.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: April 13, 2021
    Assignee: BASF SE
    Inventors: Eric George Klauber, Michael Rack, Sebastian Soergel, Birgit Gockel, Roland Goetz
  • Publication number: 20210053991
    Abstract: The present invention relates to a process for the preparation pyridine derivatives of the formula (I).
    Type: Application
    Filed: January 14, 2019
    Publication date: February 25, 2021
    Inventors: Michael Rack, Bernd Mueller
  • Patent number: 10882810
    Abstract: The present invention relates to a process for the preparation of the compounds of formula II using a lanthanoid salt.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: January 5, 2021
    Assignee: BASF AGRO B.V.
    Inventors: Joachim Gebhardt, Jan Klaas Lohmann, David Anderson, Michael Rack, Roland Goetz
  • Patent number: 10875873
    Abstract: This invention relates to a process for preparing (±)-2-exo-(2-Methylbenzyloxy)-1-methyl-4-iso-propyl-7-oxabicyclo[2.2.1]heptane of the formula (I), (I) any one of its individual enantiomers or any non-racemic mixture thereof comprising the steps of (a) deprotonating (±)-2-exo-hydroxy-1-methyl-4-isopropyl-7-oxabicyclo[2.2.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: December 29, 2020
    Assignee: BASF AGRO B.V.
    Inventors: Stefan Benson, Michael Rack, Roland Goetz, Bernd Wolf, Joachim Gebhardt, Helmut Kraus
  • Publication number: 20200347028
    Abstract: The present invention relates to a process for the preparation of pyridine derivatives of the formula (I) comprising two steps, namely, a selective chlorination followed by a selective fluorination.
    Type: Application
    Filed: January 14, 2019
    Publication date: November 5, 2020
    Inventors: Bernd Mueller, Michael Rack, Michael Seet, Sascha Hahn
  • Publication number: 20200331885
    Abstract: Preparation of optionally substituted dihydroisoquinolines.
    Type: Application
    Filed: January 14, 2019
    Publication date: October 22, 2020
    Inventors: Bernd Mueller, Michael Rack, Michael Seet, Ms. Ana Escribano Cuesta, Jan Klaas Lohmann, Georg Christoph Rudolf, Markus Nett, Rainer Hoffmann
  • Publication number: 20200308125
    Abstract: This invention relates to a process for the epoxidation of a tetrasubstituted alkene such as terpinolene to the corresponding epoxide such as terpinolene epoxide by reacting the tetrasubstituted alkene with performic acid prepared in situ from formic acid and hydrogen peroxide in the presence of at least one buffering agent. Further, the invention relates to the use of an oxidizing agent comprising hydrogen peroxide and formic acid for the in-situ epoxidation of a tetrasubstituted alkene.
    Type: Application
    Filed: June 1, 2017
    Publication date: October 1, 2020
    Inventors: Joachim GEBHARDT, Michael RACK, Bernd WOLF, Stefan BENSON, Roland GOETZ, Helmut KRAUS
  • Publication number: 20200231556
    Abstract: The present invention relates to a process for the preparation of 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles, which are useful as fungicidal compounds or as intermediates for the synthesis of fungicidal oxaciazole compounds, using trifluoroacetyl halides.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 23, 2020
    Inventors: Wassilios GRAMMENOS, Michael RACK, Violeta TERTERYAN-SEISER, Christopher KORADIN
  • Patent number: 10710969
    Abstract: This invention relates to a process for preparing (±)-2-exo-(2-Methylbenzyloxy)-1-methyl-4-isopropyl-7-oxabicyclo[2.2.1]heptane of the formula (I) any of its individual enantiomers or any non-racemic mixture thereof, comprising the steps of (a) reacting (±)-2-exo-hydroxy-1-methyl-4-isopropyl-7-oxabicyclo[2.2.1]heptane of the formula (II) any of its individual enantiomers or any non-racemic mixture thereof with a 2-Methylbenzyl compound of the formula (III) wherein X is a leaving group in the presence of at least one base capable of forming water or a C1-C4 alkyl alcohol under the reaction conditions, and at least one inert organic solvent, and (b) simultaneously removing water, the C1-C4 alkyl alcohol or any mixture thereof from the reaction mixture.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: July 14, 2020
    Assignee: BASF AGRO B.V.
    Inventors: Stefan Benson, Michael Rack, Bernd Wolf, Roland Goetz, Joachim Gebhardt, Helmut Kraus
  • Publication number: 20200207692
    Abstract: The present invention relates to a process for the preparation of the compounds of formula II using a lanthanoid salt.
    Type: Application
    Filed: June 12, 2018
    Publication date: July 2, 2020
    Inventors: Joachim GEBHARDT, Jan Klaas LOHMANN, David ANDERSON, Michael RACK, Roland GOETZ
  • Publication number: 20200157064
    Abstract: The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles (compounds I), which can be obtained through reaction of hydroxyamidine compounds of formula II with trifluoroacetyl halides IIa.
    Type: Application
    Filed: July 21, 2018
    Publication date: May 21, 2020
    Inventors: Christopher Koradin, Wassilios Grammenos, Michael Rack, Kailaskumar Borate, Roland Goetz
  • Publication number: 20200148697
    Abstract: The present invention relates to a method for separating an optically active hydroxy cineole derivatives by lixiviation and crystallization and enantiomerically pure optically active hydroxy cineole derivatives of purity greater than 99.5% that have been prepared by this process. The present invention further relates to use of the desired enantiomer having enantiomeric excess of at least 99.5% ee as prepared according to the present invention, for the synthesis of enantiomerically pure 7-oxabicyclo[2.2.1]heptane derivatives.
    Type: Application
    Filed: May 9, 2018
    Publication date: May 14, 2020
    Inventors: Klaus DITRICH, Michael RACK, Stefan BENSON, Roland GOETZ, Helmut KRAUS
  • Publication number: 20200140396
    Abstract: Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.
    Type: Application
    Filed: December 31, 2019
    Publication date: May 7, 2020
    Inventors: Eric George Klauber, Michael Rack, Roland Goetz, Sebastian Soergel
  • Patent number: 10640477
    Abstract: This invention relates to a process for the epoxidation of a tetrasubstituted alkene such as terpinolene to the corresponding epoxide such as terpinolene epoxide by reacting the tetrasubstituted alkene with peracetic acid prepared in situ from acetic anhydride and hydrogen peroxide in the presence of at least one buffering agent. Further, the invention relates to the use of an oxidizing agent comprising hydrogen peroxide and acetic anhydride for the in-situ epoxidation of a tetrasubstituted alkene.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: May 5, 2020
    Assignee: BASF AGRO B.V.
    Inventors: Michael Rack, Joachim Gebhardt, Bernd Wolf, Stefan Benson, Roland Goetz, Helmut Kraus