Patents by Inventor Lothar Willms

Lothar Willms 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: 20050049145
    Abstract: Compounds of the formula (I) or salts thereof, which R1 is COOH or a derivative thereof, preferably a radical of the formula —CN, —C(?X)—Y—R or —C(X?R?)(X?R?)—Y—R, in which R is H, a (subst.
    Type: Application
    Filed: August 4, 2004
    Publication date: March 3, 2005
    Inventors: Udo Bickers, Lothar Willms, Christopher Rosinger
  • Patent number: 6861389
    Abstract: The compounds of the formula (I) and their salts where the radicals R1 to R4, A1, A2, L0, X and n are as defined in claim 1 are suitable as herbicides and plant growth regulators and can be prepared by processes as claimed in claim 6.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: March 1, 2005
    Assignee: Aventis CropScience GmbH
    Inventors: Wolfgang Giencke, Lothar Willms, Thomas Auler, Hermann Bieringer, Hubert Menne
  • Publication number: 20050037922
    Abstract: Compounds of the formula (I) or salts thereof in which R1 is carboxyl or a derivative of a carboxyl group, preferably a radical of the formula —CN, —C(?X)—Y—R or —C(?X)-Het, in which X is O, S or NRa or N—NRaRb, Y is O, S, NRc or NRc—NRdRe, R is H, a (subst.) hydrocarbon radical (HR) or acyl, and Het is an aliphatic nitrogen heterocycle, where each of the radicals Ra, Rb, Rc, Rd and Re is as defined for R or a radical of the formula —OR*, where R* is as defined for R, R2 is H or (subst.) HR or a heterocyclic radical, or, if Z=O or S, also an acyl radical, (R3)n are n radicals R3, as defined in claim 1, Z is a group of the formula O or S(O)x, where x=0, 1 or 2, and n is an integer 0, 1, 2, 3 or 4, as safeners for crop plants or useful plants against phytotoxic actions of agrochemicals, preferably as safeners against the action of pesticides, such as herbicides, in these plants.
    Type: Application
    Filed: August 4, 2004
    Publication date: February 17, 2005
    Applicant: Bayer CropScience GmbH
    Inventors: Udo Bickers, Lothar Willms, Christopher Rosinger
  • 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: 20040248736
    Abstract: There are described herbicidal compositions which comprise herbicidal compounds of formula (I) and one or more compounds of the formulae (II) to (V) which act as safener.
    Type: Application
    Filed: June 4, 2004
    Publication date: December 9, 2004
    Applicant: Bayer CropScience GmbH
    Inventors: Monika Schmitt, Lothar Willms, Frank Ziemer, Christopher Rosinger, Erwin Hacker, Hermann Bieringer
  • Patent number: 6828276
    Abstract: There are described benzoylcyclohexanediones of the formula I, their preparation, and their use as herbicides and plant growth regulators. In this formula (I), C1, C2, C3 are cyclic radicals, X1 is a hetero atom, X2 is a chain of carbon atoms, L is a chain-like element, R1, R2, R3, R4, R5 are various radicals, and Y and Z are monoatomic bridge elements.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: December 7, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Thomas Seitz, Andreas van Almsick, Lothar Willms, Hermann Bieringer, Thomas Auler, Hubert Menne
  • Publication number: 20040224844
    Abstract: Compounds of the formula (I) or salts thereof, 1
    Type: Application
    Filed: March 26, 2004
    Publication date: November 11, 2004
    Applicant: Bayer CropScience GmbH
    Inventors: Udo Bickers, Lothar Willms, Erwin Hacker, Christopher Rosinger
  • Publication number: 20040224849
    Abstract: Herbicidal compositions are described that comprise active substances from the group of the benzoylcyclohexanediones and also safeners. These herbicidal compositions are especially suitable for use against weed plants in crop plant cultures.
    Type: Application
    Filed: June 17, 2004
    Publication date: November 11, 2004
    Inventors: Frank Ziemer, Andreas van Almsick, Lothar Willms, Thomas Auler, Hermann Bieringer, Erwin Hacker, Christopher Rosinger
  • Publication number: 20040224848
    Abstract: Herbicidal compositions are described that comprise active substances from the group of the benzoylcyclohexanediones and also safeners. These herbicidal composition are especially suitable for use against weed plants in crop plant cultures.
    Type: Application
    Filed: June 17, 2004
    Publication date: November 11, 2004
    Inventors: Frank Ziemer, Andreas van Almsick, Lothar Willms, Thomas Auler, Hermann Bieringer, Erwin Hacker, Christopher Rosinger
  • Publication number: 20040204320
    Abstract: What is described are derivatives of benzoylcyclohexanediones of the formula (I) and their use as herbicides.
    Type: Application
    Filed: April 8, 2003
    Publication date: October 14, 2004
    Applicant: Bayer CropScience GmbH
    Inventors: Thomas Seitz, Andreas Van Almsick, Lothar Willms, Monika H. Schmitt, Thomas Auler, Hermann Bieringer, Hubert Menne
  • Patent number: 6794336
    Abstract: The present invention relates to a compound of the formula (I) or salt thereof in which R1 is identical or different at each occurrence and is H, halogen, CN, nitro, SF5, (C1-C8)alkyl, (C2-C8)alkenyl, (C2-C8)alkynyl, (C1-C8)alkoxy, [(C1-C8)alkyl]-carbonyl or (C1-C8)alkylsulfonyl, each of the radicals being unsubstituted or substituted,  or is S(O)p—R7, where p=0, 1 or 2 and R7 is (C1-C8)alkyl, (C1-C8)haloalkyl or NR8R9, where  R8 and R9 independently of one another are identical or different and are H, (C1-C8)alkyl, (C2-C8)alkenyl, (C7-C10)arylalkyl, (C7-C10)alkylaryl or (C6-C10)aryl, each of the last-mentioned five radicals being unsubstituted or substituted,  or is a group of the formula where R10 is (C1-C8)alkyl which is unsubstituted or substituted, and W=O or S, A is optionally substituted aryl or an optionally substituted heterocyclic radical, X is O or S, R2,R3,R4, and R5 are identical or different and are H, hal
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: September 21, 2004
    Assignee: Aventis Crop Science GmbH
    Inventors: Klaus Haaf, Lothar Willms, Thomas Auler, Hubert Menne, Hermann Bieringer
  • 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: 20040176251
    Abstract: Compounds of the formula (I) or salts thereof 1
    Type: Application
    Filed: September 9, 2003
    Publication date: September 9, 2004
    Inventors: Hansjorg Dietrich, Christian Waldraff, Lothar Willms, Hermann Bieringer, Christopher Rosinger, Felix Thurwachter, Thomas Auler
  • Publication number: 20040171079
    Abstract: The invention relates to a resin-bound synthesis process for the preparation of chemical compounds of the formula (I)
    Type: Application
    Filed: March 12, 2004
    Publication date: September 2, 2004
    Inventors: Klaus Haaf, Lothar Willms
  • Publication number: 20040171489
    Abstract: The invention relates to synergistic herbicidal combinations for controlling harmful plants in plant cultures. The combinations contain active substances (A) et (B). (A) is an amino triazine with a partial structure of formula (I) as claim 1, in short T-NR-L-M, and L and M are defined as in claim 1, T is a 1,3,5-triazine and NR is an optionally substituted amino group, and (B) is one or more herbicides from the group of compounds consisting of (B1) leaf and/or soil-acting herbicides that are effective against monocotyledonous harmful plants.
    Type: Application
    Filed: December 12, 2003
    Publication date: September 2, 2004
    Inventors: Erwin Hacker, Hermann Bieringer, Thomas Auler, Lothar Willms, Klemens Minn, Jens Hollander, Jurgen Zindel, Wolfgang Giencke
  • Publication number: 20040167029
    Abstract: What is described are derivatives of benzoyl derivatives of the formula (I) and their use as herbicides.
    Type: Application
    Filed: January 8, 2004
    Publication date: August 26, 2004
    Applicant: Bayer CropScience GmbH
    Inventors: Andreas Van Almsick, Lothar Willms, Hermann Bieringer, Hubert Menne, Thomas Auler
  • 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
  • Patent number: 6774085
    Abstract: Suitable for controlling harmful plants in sugar beet crops composed of tolerant or resistant mutants or transgenic sugar beet plants are herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds, (A2) glyphosate (salts) and related compounds such as sulfosate and (A3) imidazolinones or their salts and (B) herbicides from the group consisting of (B0) one or more structurally different herbicides from the abovementioned group (A) or (B1) foliar- and predominantly soil-acting herbicides which are active against monocotyledonous and dicotyledonous harmful plants, or (B2) herbicides which are active predominantly against dicotyledonous harmful plants, and (B3) herbicides which are predominantly foliar-acting and which can be employed against monocotyledonous harmful plants, or (B4) herbicides which are both foliar- and soil-acting and which can be employed agai
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: August 10, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Erwin Hacker, Hermann Stuebler, Hermann Bieringer, Lothar Willms
  • Patent number: 6774086
    Abstract: There are described derivatives of benzoylcyclohexanediones of the formula (I) and their use as herbicides. In this formula (I), R1a, R1b, R1c, R2, R3, R4 and R5 are various radicals, X1 is a bridging atom, X2 a carbon chain and X3 a chalcogen atom.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: August 10, 2004
    Assignee: Bayer CropScience GmbH
    Inventors: Thomas Seitz, Lothar Willms, Andreas van Almsick, Hermann Bieringer, Thomas Auler, Hubert Menne
  • Patent number: 6768025
    Abstract: Benzoylcyclohexanedione derivatives of the formula (I) and their use as herbicides are described. In this formula (I), R1, R3, and R4 are various radicals, L—(R2)n is haloalkyl, and n is 0 to 2.
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: July 27, 2004
    Assignee: Aventis CropScience GmbH
    Inventors: Thomas Seitz, Andreas van Almsick, Lothar Willms, Thomas Auler, Hermann Bieringer, Hubert Menne