Patents by Inventor Gerhard Schnabel

Gerhard Schnabel 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: 20050064004
    Abstract: The present invention relates to surfactant/solvent mixtures comprising a) one or more solvents of the formula (I): R—CO—N—R1R2??(I) in which R=H methyl, ethyl or propyl, where ?) if R=H or methyl, R1 and R2 are identical or different and are tert-butyl, (C5-C12)alkyl or (C1-C12)hydroxyalkyl, and ?) if R=ethyl or propyl, R1 and R2 are identical or different and are (C1-C12)alkyl or (C1-C12)hydroxyalkyl, and b) one or more surfactants. The surfactant/solvent mixture according to the invention is suitable for the preparation of active ingredient formulations.
    Type: Application
    Filed: September 17, 2004
    Publication date: March 24, 2005
    Applicant: Bayer CropScience GmbH
    Inventors: Gerhard Schnabel, Gerhard Frisch, Andreas Rochling
  • Publication number: 20050054532
    Abstract: The present invention describes the combination of an agrochemically active compound with a polymer with formation of hydrogen bonds for the controlled release of this active compound. Both the polymer and active compound have functional groups which permit the formation of hydrogen bonds.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 10, 2005
    Inventors: Jean Kocur, Gerhard Frisch, Jochen Wurtz, Udo Bickers, Erwin Hacker, Hans Huff, Gerhard Schnabel
  • Publication number: 20050032647
    Abstract: The present invention relates to an oil suspension concentrate, comprising a) one or more herbicidally active compounds from the group of the sulfonamides in suspended form, b) one or more safeners, c) one or more organic solvents, and d) one or more sulfosuccinates. The oil suspension concentrate is suitable for use in crop protection.
    Type: Application
    Filed: December 12, 2003
    Publication date: February 10, 2005
    Applicant: Bayer CropScience GmbH
    Inventors: Roland Deckwer, Detlev Haase, Hans-Peter Krause, Gerhard Schnabel
  • Publication number: 20050033047
    Abstract: The invention relates to the preparation of compounds (I) in which A=H or acyl and R1, R2, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally salt) to give compounds (III) ?R*?OH, R**?NR1R2??(II) R*?NR1R2, R**?Cl??(III) R*?NR1R2, R**?NH2??(IV) a) ammonolysis of (III) to (IV), reduction of the nitro group and reaction with carbamate (salts) (VI) of the formula Ar—OCO—N(M)-Het, where Ar=phenyl, M=H or cation and Het=heterocycle from formula (I), to give compounds (I) (A=H), or b) ammonolysis of (III) to (IV), reaction with carbamate (salt) (VI) and reduction of resulting compounds (VII) at the NO2 group to give compounds (I) (A=H), or c) reaction of (III) with cyanates and amines (V) of the formula HNR3?Het and reduction of the resulting compound (VII) at the NO2 group to give compounds (I) (A=H) and optional acylation if A is to be other than H. Compounds of the formulae (I) (A=H), (III), (IV), (V), (VI) (M=cation) and (VII) are novel.
    Type: Application
    Filed: September 8, 2004
    Publication date: February 10, 2005
    Inventors: Gerhard Schnabel, Jan Vermehren, Lothar Willms
  • Publication number: 20050026786
    Abstract: The present invention relates to an oil suspension concentrate, comprisinga) the herbicidally active compound diflufenican, and b) one or more solvents from the group of the hydrocarbons. The oil suspension concentrate is suitable for use in crop protection.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 3, 2005
    Applicant: Bayer CropScience GmbH
    Inventors: Roland Deckwer, Detlev Haase, Hans-Peter Krause, Gerhard Schnabel
  • Publication number: 20050026787
    Abstract: The present invention relates to a liquid formulation, comprising a) one or more herbicidally active compounds from the group of the ALS inhibitors, b) one or more organic solvents, and c) one or more inorganic salts. The liquid formulation is suitable for use in crop protection.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 3, 2005
    Applicant: Bayer CropScience GmbH
    Inventors: Roland Deckwer, Detlev Haase, Hans-Peter Krause, Gerhard Schnabel
  • Patent number: 6835695
    Abstract: The present invention relates to a herbicidal composition comprising A) one or more compounds of the formula (I) where V is an unsubstituted or substituted heterocyclyl radical or a radical —CR&agr;═CR&bgr;R&bgr;1, where R&agr; and R&bgr; are identical or different carbon-containing C1-C40 radicals which together can form an unsubstituted or substituted ring, and R&bgr;1 is OH or a carbon-containing C1-C40 radical, and Z is an unsubstituted or substituted aryl radical, and B) one or more surfactants comprising, as structural element, at least 10, alkylene oxide units.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: December 28, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Hans-Peter Krause, Jean Kocur, Julio Martinez de Una, Udo Bickers, Erwin Hacker, Gerhard Schnabel
  • Publication number: 20040214722
    Abstract: Liquid preparations and surfactant/solvent systems Surfactant/solvent systems for liquid organic formulations (preparations) which comprise one or more aromatic-based surfactants and one or more completely esterified organic phosphates and/or phosphonates which are as polar as possible, but are at the same time water-insoluble or soluble in water to 5 g/l, as solvents, are suitable to be used for the preparation of emulsifiable concentrates and corresponding liquid preparations derived therefrom, such as aqueous spray mixtures.
    Type: Application
    Filed: April 29, 2002
    Publication date: October 28, 2004
    Inventors: Jochen Wurtz, Thomas Maier, Gerhard Schnabel, Gerhard Johann
  • Patent number: 6790955
    Abstract: The invention relates to the preparation of compounds (I) in which A═H or acyl and R1, R2, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally salt) to give compounds (III) a) ammonolysis of (III) to (IV), reduction of the nitro group and reaction with carbamate (salts) (VI) of the formula Ar—OCO—N(M)-Het, where Ar=phenyl, M═H or cation and Het=heterocycle from formula (I), to give compounds (I) (A═H), or b) ammonolysis of (III) to (IV), reaction with carbamate (salt) (VI) and reduction of resulting compounds (VII) at the NO2 group to give compounds (I) (A═H), or c) reaction of (III) with cyanates and amines (VII) of the formula HNR3-Het and reduction of the resulting compound (VII) at the NO2 group to give compounds (I) (A═H) and optional acylation if A is to be other than H.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: September 14, 2004
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Jan Vermehren, Lothar Willms
  • Publication number: 20040157737
    Abstract: The invention relates to combinations of sulfonylurea herbicides (A) and their salts 1
    Type: Application
    Filed: June 19, 2003
    Publication date: August 12, 2004
    Inventors: Lothar Willms, Hermann Bieringer, Erwin Hacker, Gerhard Schnabel, Klaus Lorenz
  • Publication number: 20040132621
    Abstract: The present invention relates to a microemulsion concentrate comprising
    Type: Application
    Filed: December 17, 2003
    Publication date: July 8, 2004
    Applicant: Bayer CorpScience GmbH Patents and Licensing
    Inventors: Gerhard Frisch, Detlev Haase, Thomas Maier, Gerhard Schnabel
  • Publication number: 20040116300
    Abstract: The present invention relates to a liquid adjuvant comprising
    Type: Application
    Filed: July 11, 2003
    Publication date: June 17, 2004
    Inventors: Gerhard Schnabel, Reinhard Friessleben, Jurgen Cremer, Andrew Adams, Gerhard Frisch
  • Patent number: 6743754
    Abstract: The present invention relates to a herbicidal composition comprising A) one or more sulfonylureas of the formula (I) and/or their salts in which R1 is C2-C4-alkoxy or CO—Ra, where Ra is OH, C1-C6-alkoxy or NRbRc, where Rb and Rc independently of one another are identical or different and are H or C1-C6-alkyl, R2 is halogen or (A)n—NRdRe, where n is zero or 1, A is a group CRfRg, where Rf and Rg independently of one another are identical or different and are H or C1-C6-alkyl, Rd is H or C1-C6-alkyl and Re is H, C1-C6-alkyl or an acyl radical, where Rd and Re may also form a heterocyclic ring and where, if R1 is C2-C4-alkoxy, R2 may also be H, R3 is H or C1-C6-alkyl, m is zero or 1, X and Y independently of one another are identical or different and are C1-C6-alkyl, C1-C6-alkoxy or C1-C6-alkylthio, where each of the three radicals mentioned is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, C1-C4-alkoxy and C1-C4-alkylthio,
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: June 1, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Jochen Würtz, Jean Kocur, Hans-Peter Krause, Julio Martinez de Una, Detlev Haase, Udo Bickers, Gerhard Schnabel
  • Publication number: 20040097378
    Abstract: The invention relates to liquid formulations (preparations) that contain a) one or more alkyl esters of polycarboxylic acids, and b) one or more agrochemical substances from the group of ALS inhibitors.
    Type: Application
    Filed: December 18, 2003
    Publication date: May 20, 2004
    Inventors: Thomas Maier, Gerhard Schnabel, Detlev Haase, Jochen Wrtz
  • Publication number: 20040087466
    Abstract: The present invention relates to surfactant/solvent systems for liquid formulations comprising
    Type: Application
    Filed: June 20, 2003
    Publication date: May 6, 2004
    Inventors: Jochen Wurtz, Gerhard Schnabel, Gerhard Frisch
  • Patent number: 6693063
    Abstract: The present invention relates to a herbicidal composition, comprising A) one or more compounds of the formula (I) in which Hal1 and Hal2 are identical or different halogen atoms, R1 is H, a cation or a C1-C20-carbon-containing radical and B) one or more surfactants, comprising as structural element at least 12 alkylene oxide units.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: February 17, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Gerhard Schnabel, Jean Kocur, Hans-Peter Krause, Julio Martinez de Una, Hans Philipp Huff, Udo Bickers
  • Publication number: 20040013678
    Abstract: The present invention relates to a solid adjuvant comprising
    Type: Application
    Filed: July 11, 2003
    Publication date: January 22, 2004
    Inventors: Gerhard Schnabel, Thomas Maier, Caroline Thuaud, Hans-Peter Krause, Udo Bickers
  • Patent number: 6627595
    Abstract: The present invention relates to surfactant/solvent systems for liquid formulations comprising &agr;) one or more nonaromatic-based surfactants, &bgr;) as solvent, one or more triester(s) of phosphoric acid with alcohols, preferably from the group consisting of 1 ) monohydric alkanols having 5 to 22 carbon atoms, for example with n-, i- or neo-pentanol, n-hexanol, n-octanol, 2-ethylhexanol, 2) diols or polyols, such as ethylene glycol, propylene glycol or glycerol, 3) aryl, alkylaryl, poly(alkyl)aryl and poly(arylalkyl)aryl alcohols, for example with phenol and/or cresol, octylphenol, nonylphenol, triisobutylphenol, tristyrylphenol, 4) alkoxylated alcohols obtained by reacting the alcohols mentioned above under 1), 2) or 3) with alkylene oxides, preferably (C1-C4)alkylene oxides, and 5) alkoxylated alcohols obtained by reacting monohydric alkanols having 1 to 4 carbon atoms and alkylene oxides.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: September 30, 2003
    Assignee: Aventis CropScience GmbH
    Inventors: Jochen Würtz, Gerhard Schnabel, Gerhard Frisch
  • Publication number: 20030096991
    Abstract: The invention relates to the preparation of compounds (I) 1
    Type: Application
    Filed: November 5, 2002
    Publication date: May 22, 2003
    Inventors: Gerhard Schnabel, Jan Vermehren, Lothar Willms
  • Patent number: 6500952
    Abstract: The invention relates to the preparation of compounds (I) in which A=H or acyl and R1, R21, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally salt) to give compounds (III) a) ammonolysis of (III) to (IV), reduction of the nitro group and reaction with carbamate (salts) (VI) of the formula Ar—OCO—N(M)—Het, where Ar=phenyl, M=H or cation and Het=heterocycle from formula (I), to give compounds (I) (A=H), or b) ammonolysis of (III) to (IV), reaction with carbamate (salt) (VI) and reduction of resulting compounds (VII) at the NO2 group to give compounds (I) (A=H), or c) reaction of (III) with cyanates and amines (VIII) of the formula HNR3—Het and reduction of the resulting compound (VII) at the NO2 group to give compounds (I) (A=H) and optional acylation if A is to be other than H.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: December 31, 2002
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Gerhard Schnabel, Jan Vermehren, Lothar Willms