Patents by Inventor Bernd Wolf

Bernd Wolf 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).

  • Patent number: 11897895
    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: Grant
    Filed: December 6, 2018
    Date of Patent: February 13, 2024
    Assignee: BASF AGRO B.V.
    Inventors: Michael Rack, Stefan Benson, Bernd Wolf, Roland Goetz
  • Publication number: 20230398648
    Abstract: A machine tool for the shaping production of an article, including a tool receptacle, a tool feed, a stock of tools, and a controller, wherein the machine tool is configured to select one of the tools from the stock in dependence on the article to be produced and to fasten the article to the tool receptacle.
    Type: Application
    Filed: September 15, 2021
    Publication date: December 14, 2023
    Inventors: Joerg AVEMANN, Steven DEPPER, Dominik KRAUS, Robert WAGNER, Bernd WOLF
  • Publication number: 20230183171
    Abstract: The present invention relates to a process for the preparation of substituted 4-(N?-hydroxy-carbamimidoyl)benzoic acids, which can be obtained by nitrilase catalyzed hydration of substituted terephthalonitriles of formula (II) in an aqueous medium to afford (ammonium) 4-cyanobenzoic acids (IIa). The hydration is followed by treatment of the aqueous reaction medium with hydroxylamine or a salt thereof to afford amidoximes (I).
    Type: Application
    Filed: May 20, 2021
    Publication date: June 15, 2023
    Inventors: Florian Vogt, Kailaskumar Borate, Bernd Wolf, Joachim Gebhardt, Guillaume Michel Jacques Garivet, Harish Shinde, Roland Goetz
  • Publication number: 20230145982
    Abstract: The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles of formula I, which can be obtained through reaction of amidoxime compounds of formula II with a haloacetic ester in the presence of a solvent and a base.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 11, 2023
    Inventors: Florian Vogt, Kailaskumar Borate, Bernd Wolf, Christopher Koradin, Joachim Gebhardt, Roland Goetz, Harish Shinde
  • Publication number: 20230127884
    Abstract: The present invention relates to a process for the preparation of 4-cyanobenzoyl chlorides of formula I through reaction of compounds of formula II with a chlorinating agent.
    Type: Application
    Filed: April 12, 2021
    Publication date: April 27, 2023
    Inventors: Florian Vogt, Joachim Gebhardt, Kailaskumar Borate, Bernd Wolf, Heinz Friedrich Sutoris, Roland Goetz
  • Publication number: 20230066401
    Abstract: The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles of formula (I), which can be obtained through reaction of amidoxime compounds of formula (II) with a haloacetic ester in the presence of a base.
    Type: Application
    Filed: February 1, 2021
    Publication date: March 2, 2023
    Inventors: Florian Vogt, Kailaskumar Borate, Bernd Wolf, Christopher Koradin, Roland Goetz, Harish Shinde
  • Publication number: 20230028964
    Abstract: The present invention relates to a process for the preparation of substituted aromatic carboxamides of formula I, (formula I) which can be obtained through reaction of an aromatic carboxylic acid halide and an amine, whereas the process is conducted in the absence of an auxiliary base in a carboxylic acid ester as solvent.
    Type: Application
    Filed: November 25, 2020
    Publication date: January 26, 2023
    Inventors: Kailaskumar Borate, Bernd Wolf, Florian Vogt, Christopher Koradin, Roland Goetz, Harish Shinde
  • Patent number: 11384093
    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) any of its individual enantiomers or any non-racemic mixture thereof, comprising the step of 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, at least one catalyst selected from rubidium salts, cesium salts and any combination thereof and at least one inert organic solvent S1.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: July 12, 2022
    Assignee: BASF AGRO B.V.
    Inventors: Stefan Benson, Michael Rack, Christiane Alznauer, Roland Goetz, Bernd Wolf
  • 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
  • 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: 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: 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
  • 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
  • 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
  • Publication number: 20200048275
    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: Application
    Filed: February 5, 2018
    Publication date: February 13, 2020
    Inventors: Stefan BENSON, Michael RACK, Roland GOETZ, Bernd WOLF, Joachim GEBHARDT, Helmut KRAUS
  • Publication number: 20200031842
    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) any of its individual enantiomers or any non-racemic mixture thereof, comprising the step of 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, at least one catalyst selected from rubidium salts, cesium salts and any combination thereof and at least one inert organic solvent S1.
    Type: Application
    Filed: March 23, 2018
    Publication date: January 30, 2020
    Inventors: Stefan BENSON, Michael RACK, Christiane ALZNAUER, Roland GOETZ, Bernd WOLF
  • Publication number: 20200031792
    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: Application
    Filed: September 7, 2017
    Publication date: January 30, 2020
    Inventors: Stefan BENSON, Michael RACK, Bernd WOLF, Roland GOETZ, Joachim GEBHARDT, Helmut KRAUS
  • 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
  • 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
  • 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