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).

  • Process for the preparation of limonene-4-ol
    Patent number: 10538470
    Abstract: The present invention relates to a process for the preparation of limonene-4-ol by an epoxide ring opening isomerization of terpinolene epoxide.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: January 21, 2020
    Assignee: BASF Agro B.V.
    Inventors: Bernd Wolf, Michael Rack, Stefan Benson, Helmut Kraus, Roland Goetz, Sukunath Narayanan, Chidambaram Rishinaradamangalam
  • Process for the preparation of substituted oxiranes and triazoles
    Patent number: 10519122
    Abstract: The present invention relates to a process for the preparation of the compounds II from the respective oxo compounds. Furthermore, he invention relates to a process for the preparation of triazole compounds from oxiranes II.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: December 31, 2019
    Assignee: BASF Agro B.V.
    Inventors: Thomas Zierke, Joachim Gebhardt, Peter Schaefer, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann
  • Process for preparing pyrazoles
    Patent number: 10513498
    Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, which comprises cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: December 24, 2019
    Assignee: BASF SE
    Inventors: Birgit Gockel, Daniel Saelinger, Sebastian Soergel, Michael Rack
  • Process for preparing pyrazoles
    Patent number: 10414733
    Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, the process including cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: September 17, 2019
    Assignee: BASF SE
    Inventors: Birgit Gockel, Daniel Saelinger, Sebastian Soergel, Michael Rack
  • Process for the Epoxidation of a Tetrasubstituted Alkene
    Publication number: 20190263764
    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: Application
    Filed: June 1, 2017
    Publication date: August 29, 2019
    Inventors: Michael RACK, Joachim GEBHARDT, Bernd WOLF, Stefan BENSON, Roland GOETZ, Helmut KRAUS
  • Process for the preparation of terpinolene epoxide
    Patent number: 10344008
    Abstract: The present invention relates to a process for the preparation of terpinolene epoxide by epoxidation of terpinolene.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 9, 2019
    Assignee: BASF AGRO B.V.
    Inventors: Bernd Wolf, Michael Rack, Stefan Benson, Helmut Kraus, Roland Goetz, Sukunath Narayanan, Chidambaram Rishinaradamangalam
  • PROCESS FOR PREPARING PYRAZOLES
    Publication number: 20190194141
    Abstract: The present invention relates to a process for preparing a pyrazole compound of formula V, which comprises cyclizing a hydrazone substituted ?,?-unsaturated carbonyl compound of formula IV by reacting it with a suitable reagent, e.g. a reducing agent, an organometallic reagent or a nucleophilic reagent. The compounds of formula V are versatile reaction tools for the preparation of pyrazole derived fine chemicals. The present invention also relates to pyrazole compounds of formulae Va, Vb, Vc, and VI.
    Type: Application
    Filed: March 5, 2019
    Publication date: June 27, 2019
    Inventors: Birgit GOCKEL, Daniel SAELINGER, Sebastian SOERGEL, Michael RACK
  • Process for preparing a mixture of terpene alcohols
    Patent number: 10266468
    Abstract: The present invention relates to a process for preparing a mixture of terpene alcohols comprising limonene-4-ol and terpinene-4-ol from terpinolene epoxide via an isomerization and/or hydrogenation reaction in the presence of a copper catalyst.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: April 23, 2019
    Assignee: BASF Agro B.V.
    Inventors: Bernd Wolf, Michael Rack, Stefan Benson, Roland Goetz, Helmut Kraus
  • Process for preparing terpinene-4-ol
    Patent number: 10266469
    Abstract: The present invention relates to a process for preparing terpinene-4-ol from limonene-4-ol via a hydrogenation reaction in the presence of a nickel catalyst.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: April 23, 2019
    Assignee: BASF Agro B.V.
    Inventors: Bernd Wolf, Michael Rack, Stefan Benson, Roland Goetz, Helmut Kraus
  • Process for Preparing Terpinene-4-ol
    Publication number: 20190071377
    Abstract: The present invention relates to a process for preparing terpinene-4-ol from limonene-4-ol via a hydrogenation reaction in the presence of a nickel catalyst.
    Type: Application
    Filed: February 16, 2017
    Publication date: March 7, 2019
    Inventors: Bernd WOLF, Michael RACK, Stefan BENSON, Roland GOETZ, Helmut KRAUS
  • Catalytic Hydrogenation Process for Preparing Pyrazoles
    Publication number: 20190055200
    Abstract: The present invention relates to a catalytic process for preparing pyrazoles 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: Application
    Filed: January 25, 2017
    Publication date: February 21, 2019
    Inventors: Eric George KLAUBER, Michael RACK, Sebastian SOERGEL, Birgit GOCKEL, Roland GOETZ
  • Process for Preparing a Mixture of Terpene Alcohols
    Publication number: 20190047928
    Abstract: The present invention relates to a process for preparing a mixture of terpene alcohols comprising limonene-4-ol and terpinene-4-ol from terpinolene epoxide via an isomerization and/or hydrogenation reaction in the presence of a copper catalyst.
    Type: Application
    Filed: February 16, 2017
    Publication date: February 14, 2019
    Inventors: Bernd WOLF, Michael RACK, Stefan BENSON, Roland GOETZ, Helmut KRAUS
  • Substituted pyridine compounds having herbicidal activity
    Patent number: 10167297
    Abstract: The present invention provides a substituted pyridine compound of the formula I or an agriculturally suitable salt or N-oxide thereof, wherein the variables in the formula I are defined as in the description. Substituted pyridine compounds of formula I are useful as herbicides.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: January 1, 2019
    Assignee: BASF SE
    Inventors: Gilbert Besong, Matthias Witschel, Thomas Seitz, Liliana Parra Rapado, Richard Evans, Kristin Hanzlik, Gerd Kraemer, Michael Rack
  • Stereoselective process to obtain (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides using E,Z-isomer mixture of and intermediates thereof
    Patent number: 10112891
    Abstract: The present invention relates to a process for preparation of intermediates (Z,2E)-5-hydroxy-2-methoxyimino-N-methyl-pent-3-enamides from 4-substituted 5-meth-oxyimino-2H-pyran-6-ones and their processing for example to (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides. The invention also relates to a process for preparation of 4-substituted 5-imino-2H-pyran-6-ones and to novel intermediates for the preparation of fungicidal (Z)-5-cyclyloxy-2-[(E)-methoxyimino]-3-methyl-pent-3-enic acid methyl amides.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: October 30, 2018
    Assignee: BASF SE
    Inventors: Wassilios Grammenos, Ana Escribano Cuesta, Ian Robert Craig, Joachim Rheinheimer, Christian Winter, Michael Rack
  • Selective hydrolysis and alcoholysis of chlorinated benzenes
    Patent number: 10093607
    Abstract: The present invention relates to a process for providing a compound of formula (I): wherein R is hydrogen or R?, wherein R? is —(C1-C4)alkyl, and Hal is a halogen, the process comprising the step of: reacting a compound of formula (II) wherein Hal is defined as above, with an alkali metal alkoxide of the formula XOR?, wherein X is an alkali metal, and R? is defined as above.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: October 9, 2018
    Assignee: BASF SE
    Inventors: Eric George Klauber, Michael Rack, Thomas Zierke, Nicole Holub, David Cortes, Gerald Schmelebeck, Junmin Ji
  • Process for the preparation of substituted phenoxyphenyl ketones
    Patent number: 10093634
    Abstract: The present invention relates to a process for the preparation of the ketone compounds (IA) and their use as intermediates for the preparation of triazole fungicides.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: October 9, 2018
    Assignee: BASF AGRO B.V.
    Inventors: Uwe Josef Vogelbacher, Joachim Gebhardt, Michael Rack, Roland Goetz, Stefan Fuelster
  • Process for providing dihalogen substituted salicylic acid derivatives
    Patent number: 10087133
    Abstract: The present invention relates to a process for providing dihalogen substituted salicylic acid derivatives of formula (II):
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: October 2, 2018
    Assignee: BASF SE
    Inventors: Eric George Klauber, Michael Rack, Thomas Zierke, Nicole Holub, David Cortes, Gerald Schmelebeck, Junmin Ji
  • PARA-SUBSTITUTED INDANYL AND TETRALINYL DERIVATIVES
    Publication number: 20180215740
    Abstract: Compounds of formula I and formula II their intermediates, as well as processes for the preparation of compounds of formula I and formula II, are disclosed. Use of compounds of formula I for the production of compounds of formula VI is also disclosed. Additionally, the use of compounds of formula I or formula II for the production of active compounds is disclosed.
    Type: Application
    Filed: July 13, 2016
    Publication date: August 2, 2018
    Inventors: Gopal Krishna Datta, Pascal Bindschaedler, Wolfgang von Deyn, Michael Rack, Karsten Koerber
  • Substituted pyridine compounds having herbicidal activity
    Patent number: 10023590
    Abstract: The present invention provides a substituted pyridine compound of the formula I or an agriculturally suitable salt or N-oxide thereof, wherein the variables in the formula I are defined as in the description. Substituted pyridine compounds of formula I are useful as herbicides.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: July 17, 2018
    Assignee: BASF SE
    Inventors: Gilbert Besong, Matthias Witschel, Ruediger Reingruber, Helmut Kraus, Thomas Seitz, Liliana Parra Rapado, Trevor William Newton, Gerd Kraemer, Richard Roger Evans, Michael Rack
  • Process for the preparation of substituted oxiranes and triazoles
    Patent number: 9981931
    Abstract: The present invention relates to a process for the preparation of the compounds II from the respective oxo compounds. Furthermore, he invention relates to a process for the preparation of triazole compounds from oxiranes II.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: May 29, 2018
    Assignee: BASF Agro B.V.
    Inventors: Thomas Zierke, Joachim Gebhardt, Peter Schaefer, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann