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: 8362272
    Abstract: A process for preparing 1,3-disubstituted pyrazole compounds.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: January 29, 2013
    Assignee: BASF SE
    Inventors: Maximilian Dochnahl, Michael Keil, Bernd Wolf
  • Patent number: 8357695
    Abstract: The present invention relates to hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]-sulfonyl]benzamide. The invention also relates to a process for the preparation of these hydrates and to plant protection formulations which comprise hydrates of the phenyluracil I.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: January 22, 2013
    Assignee: BASF SE
    Inventors: Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers, Peter Erk, Heidi Emilia Saxell, Gerhard Hamprecht, Guido Mayer, Bernd Wolf, Gerhard Cox, Alfred Michel, Werner Seitz, Cyrill Zagar, Robert Reinhard, Bernd Sievernich
  • Patent number: 8350046
    Abstract: A process for preparing arylcarboxamides of the formula (I) where Ar=a mono- to trisubstituted phenyl, pyridyl or pyrazolyl ring, where the substituents are selected from halogen, C1-C4-alkyl and C1-C4-haloalkyl; M=thienyl or phenyl, which may bear a halogen substituent; Q=direct bond, cyclopropylene, fused bicyclo[2.2.1]heptane or bicyclo[2.2.1]heptene ring; R1=hydrogen, halogen, C1-C6-alkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, mono- to trisubstituted phenyl, where the substituents are selected from halogen and trifluoromethylthio, or cyclopropyl; by reacting an acid chloride of the formula (II) with an arylamine (III) in a suitable nonaqueous solvent, wherein, in the absence of an auxiliary base, a) the acid chloride (II) is initially charged, b) a pressure of from 0 to 700 mbar is established, c) the arylamine (III) is metered in an approximately stoichiometric amount and d) the product of value is isolated.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: January 8, 2013
    Assignee: BASF SE
    Inventors: Wolfgang Reichert, Christopher Koradin, Sebastian Peer Smidt, Volker Maywald, Bernd Wolf, Michael Rack, Thomas Zierke, Michael Keil
  • Publication number: 20130005985
    Abstract: The present invention relates to a process using Grignard reagents for providing thio-triazolo group-containing compounds.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 3, 2013
    Applicant: BASF SE
    Inventors: Maximilian Dochnahl, Michael Keil, Joachim Gebhardt, Uwe Josef Vogelbacher, Frederik Menges, Michael Rack, Jens Renner, Bernd Wolf
  • Patent number: 8344157
    Abstract: A process for preparing 1,3-disubstituted pyrazolecarboxylic esters of the formula (I) where X, Y, Z=hydrogen or halogen and R1=C1-C6-alkyl, by metering an enol ether of the formula III where R2 is C1-C6-alkyl at from (?41) to (?80)° C. into an alkyl hydrazine of the formula II H2N—NH-lower alkyl ??(II).
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: January 1, 2013
    Assignee: BASF SE
    Inventors: Bernd Wolf, Sebastian Peer Smidt, Volker Maywald, Christopher Koradin, Michael Keil, Thomas Zierke, Michael Rack
  • Patent number: 8314233
    Abstract: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters, 2-(aminomethylidene)-4,4-difluoro-3-oxobutteric esters of the formula (I) in which R1, R2 and R3 independently of one another are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl or NR2R3 is a 5- to 10-membered heterocyclic radical, to a process for preparing compounds of the formula (I) wherein an appropriate 3-aminoacrylic ester is reacted with difluoroacetyl fluoride and to the use of compounds of the formula (I) in the process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: November 20, 2012
    Assignee: BASF SE
    Inventors: Thomas Zierke, Volker Maywald, Michael Rack, Sebastian Peer Smidt, Michael Keil, Bernd Wolf, Christopher Koradin
  • Publication number: 20120271049
    Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
    Type: Application
    Filed: June 28, 2012
    Publication date: October 25, 2012
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Publication number: 20120220781
    Abstract: A process for preparing 1,3-disubstituted pyrazole compounds.
    Type: Application
    Filed: October 28, 2010
    Publication date: August 30, 2012
    Applicant: BASF SE
    Inventors: Maximilian Dochnahl, Michael Keil, Bernd Wolf
  • Patent number: 8252925
    Abstract: The present invention relates to a process for preparing 3-phenyl(thio)uracils and -dithiouracils of the formula I where the variables are each as defined in the description, and also intermediates for their preparation.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: August 28, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Sandra Löhr, Joachim Gebhardt, Guido Mayer, Michael Keil, Thomas Schmidt, Bernd Wolf
  • Patent number: 8232421
    Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: July 31, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Patent number: 8207354
    Abstract: A process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates (VI) where R is methyl or ethyl, from crude reaction mixtures of alkyl 4,4-difluoroacetoacetates (I) by a) reacting ?where M is a sodium or potassium ion, and ?without additional solvent to form an enolate (V) b) releasing the corresponding alkyl 4,4-difluoroacetoacetate (I) from the enolate (V) by means of acid, c) removing the salt formed from cation M and acid anion as a solid and d) converting (I), without isolation from the crude reaction mixture, to the alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrate (VI), and the use of (VI) for preparing 1-methyl-3-difluoromethyl-pyrazol-3-ylcarboxyates VII
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: June 26, 2012
    Assignee: BASF SE
    Inventors: Volker Maywald, Sebastian Peer Smidt, Bernd Wolf, Christopher Koradin, Thomas Zierke, Michael Rack, Michael Keil
  • Patent number: 8124818
    Abstract: The present invention relates to a process for preparing 3-phenyl(thio)uracils and -dithiouracils of the formula I where the variables are each as defined in the description, and also intermediates for their preparation.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: February 28, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Sandra Loehr, Joachim Gebhardt, Guido Mayer, Michael Keil, Thomas Schmidt, Bernd Wolf
  • Publication number: 20110172436
    Abstract: The invention provides an Ethernet bridge or router comprising a network fabric adapted to provide interconnectivity to a plurality of Ethernet ports, each of the Ethernet ports being adapted to receive and/or transmit Ethernet frames, and wherein the Ethernet bridge or router further comprises an encapsulator connected to receive Ethernet Protocol Data Units from the Ethernet ports, wherein the encapsulator is operable to generate a Fabric Protocol Data Unit from a received Ethernet Protocol Data Unit, the Fabric Protocol Data Unit comprising a header portion, and a payload portion which comprises the Ethernet Protocol Data Unit concerned, and wherein the encapsulator is operable to transform Ethernet destination address information from the Ethernet Protocol Data Unit into a routing definition for the network fabric, and to include this routing definition in the header portion of the Fabric Protocol Data Unit. Also provided is a method of data delivery across a network.
    Type: Application
    Filed: May 4, 2009
    Publication date: July 14, 2011
    Applicant: BASF SE
    Inventors: Bernd Wolf, Volker Maywald, Michael Keil, Christopher Koradin, Michael Rack, Thomas Zierke, Martin Sukopp
  • Publication number: 20110152522
    Abstract: The present invention relates to a process for preparing 3-phenyl(thio)uracils and -dithiouracils of the formula I where the variables are each as defined in the description, and also intermediates for their preparation.
    Type: Application
    Filed: March 4, 2011
    Publication date: June 23, 2011
    Applicant: BASF Aktiengesselschaft
    Inventors: Sandra Löhr, Joachim Gebhardt, Guido Mayer, Michael Keil, Thomas Schmidt, Bernd Wolf
  • Publication number: 20110118474
    Abstract: A process for preparing 1,3-disubstituted pyrazolecarboxylic esters of the formula (I) where X, Y, Z=hydrogen or halogen and R1=C1-C6-alkyl, by metering an enol ether of the formula III where R2 is C1-C6-alkyl at from (?41) to (?80)° C. into an alkyl hydrazine of the formula II H2N—NH-lower alkyl ??(II).
    Type: Application
    Filed: July 10, 2009
    Publication date: May 19, 2011
    Applicant: BASF SE
    Inventors: Bernd Wolf, Sebastian Peer Smidt, Volker Maywald, Christopher Koradin, Michael Keil, Thomes Zierke, Michael Rack
  • Publication number: 20110054183
    Abstract: A process for preparing arylcarboxamides of the formula (I) where Ar =a mono- to trisubstituted phenyl, pyridyl or pyrazolyl ring, where the substituents are selected from halogen, Ci-C4-alkyl and C1-C4-haloalkyl; M =thienyl or phenyl, which may bear a halogen substituent; Q =direct bond, cyclopropylene, fused bicycio[2.2.1]heptane or bicyclo[2.2.1]heptene ring; R1 =hydrogen, halogen, C1-C6-alkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, mono- to trisubstituted phenyl, where the substituents are selected from halogen and trifluoromethylthio, or cyclopropyl; by reacting an acid chloride of the formula (II) with an arylamine (III) in a suitable nonaqueous solvent, wherein, in the absence of an auxiliary base, a) the acid chloride (II) is initially charged, b) a pressure of from 0 to 700 mbar is established, c) the arylamine (III) is metered in in an approximately stoichiometric amount and d) the product of value is isolated.
    Type: Application
    Filed: May 6, 2009
    Publication date: March 3, 2011
    Inventors: Wolfgang Reichert, Christopher Koradin, Sebastian Peer Smidt, Volker Maywald, Bernd Wolf, Michael Rack, Thomas Zierke, Michael Keil
  • Publication number: 20110046371
    Abstract: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters, 2-(aminomethylidene)-4,4-difluoro-3-oxobutteric esters of the formula (I) in which R1, R2 and R3 independently of one another are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl or NR2R3 is a 5- to 10-membered heterocyclic radical, to a process for preparing compounds of the formula (I) wherein an appropriate 3-aminoacrylic ester is reacted with difluoroacetyl fluoride and to the use of compounds of the formula (I) in the process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.
    Type: Application
    Filed: April 30, 2009
    Publication date: February 24, 2011
    Applicant: BASF SE
    Inventors: Thomas Zierke, Volker Maywald, Michael Rack, Sebastian Peer Smidt, Michael Keil, Bernd Wolf, Christopher Koradin
  • Publication number: 20110040096
    Abstract: The present invention relates to a process for preparing 2-(aminomethylidene)-4,4-dihalo-3-oxobutyric esters of the formula (I), wherein R1, R2, R3 are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl, and/or R2 together with R3 and the nitrogen atom to which the two radicals are attached are a heterocyclic radical, in which a corresponding 3-aminoacrylic ester is reacted with a halogen-substituted acetyl fluoride in the presence of at least one alkali or alkaline earth metal fluoride; and the further conversion of halogen-substituted 2-(aminomethylidene)-3-oxobutyric esters of the formula (I) to halomethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.
    Type: Application
    Filed: April 30, 2009
    Publication date: February 17, 2011
    Applicant: BASF SE
    Inventors: Thomas Zierke, Volker Maywald, Michael Rack, Sebastian Peer Smidt, Michael Keil, Bernd Wolf, Christopher Koradin
  • Publication number: 20110009640
    Abstract: A process for preparing phenyl iso(thio)cyanates of the formula I in which a compound of the formula II or its HCl adduct is reacted with a phosgenating agent where W is oxygen or sulfur and Ar and A are as defined in claim 1 is described. Moreover, the invention relates to the use of the phenyl iso(thio)cyanates for preparing crop protection agents.
    Type: Application
    Filed: September 21, 2010
    Publication date: January 13, 2011
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Gerhard Hamprecht, Michael Puhl, Bernd Wolf, Norbert Götz, Michael Keil, Robert Reinhard, Ingo Sagasser, Werner Seitz
  • Publication number: 20110004002
    Abstract: A process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates (VI) where R is methyl or ethyl, from crude reaction mixtures of alkyl 4,4-difluoroacetoacetates (I) by a) reacting where M is a sodium or potassium ion, and without additional solvent to form an enolate (V) b) releasing the corresponding alkyl 4,4-difluoroacetoacetate (I) from the enolate (V) by means of acid, c) removing the salt formed from cation M and acid anion as a solid and d) converting (I), without isolation from the crude reaction mixture, to the alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrate (VI), and the use of (VI) for preparing 1-methyl-3-difluoromethyl-pyrazol-3-ylcarboxyates VII
    Type: Application
    Filed: February 27, 2009
    Publication date: January 6, 2011
    Applicant: BASF SE
    Inventors: Volker Maywald, Sebastian Peer Smidt, Bernd Wolf, Christopher Koradin, Thomas Zierke, Michael Rack, Michael Keil