Patents by Inventor Gerhard Walther

Gerhard Walther 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: 20090018201
    Abstract: A method of combating bugs comprising contacting the bugs or their food supply, habitat, breeding grounds or their locus with a pesticidally effective amount of a compound of the formula (I) wherein W is Cl or CF3; X and Y are each independently Cl or Br; R1 is alkyl, alkenyl, alkynyl, or cycloalkyl optionally substituted with 1 to 3 halogens, or alkyl which is substituted by alkoxy; R2 and R3 are alkyl or may be taken together to form cycloalkyl optionally substituted by 1 to 3 halogens; R4 is H or C1-C6-alkyl, or the enantiomers or salts thereof.
    Type: Application
    Filed: May 30, 2006
    Publication date: January 15, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Kenichi Kojima, Antonio Zarco-Montero, Akihide Watanabe, Gerhard Walther, Samuel Wells, Nigel Armes, Robert A. Farlow, Hassan Oloumi-Sadeghi
  • Publication number: 20080207446
    Abstract: The invention relates to the use of phenylsemicarbazones of formula (I); wherein R1 and R2 are each independently hydrogen, halogens CN, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkyl or C1-C4 haloalkoxy and R3 is C1-C4 alkoxy, C1-C4 haloalkyl or C1-C4 haloalkoxy, or agriculturally acceptable salts thereof for seed treatment and corresponding methods of seed treatment for controlling arthropod pests. The invention also relates to seed treatment formulations comprising phenylsemicarbazones of formula (I) or an agriculturally acceptable salt thereof, and to seeds treated therewith.
    Type: Application
    Filed: June 14, 2006
    Publication date: August 28, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Matthias Gerber, Christoph Kunast, Ronald Wilhelm, Ralf Willi Gerhard, Klaas Jilderda, Marjo Kruts, Hassan Oloumi-Sadeghi, Henry Van Tuyl Cotter, Gerhard Walther Fenner, Clark D. Klein, Charles W. Finch
  • Patent number: 5688802
    Abstract: The invention relates to new xanthine derivatives of general formula I, processes for preparing them and their use as pharmaceutical compositions.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: November 18, 1997
    Assignee: Boehringer Ingelheim KG
    Inventors: Ulrike Kufner-Muhl, Karl-Heinz Weber, Gerhard Walther, Werner Stransky, Helmut Ensinger, Gunter Schingnitz, Franz Josef Kuhn, Erich Lehr
  • Patent number: 5641784
    Abstract: New xanthine compounds of formula I: ##STR1## wherein the substituents are defined herein, which xanthines are useful as adenosine antagonists.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: June 24, 1997
    Assignee: Boehringer Ingelheim KG
    Inventors: Ulrike Kufner-Muhl, Werner Stransky, Gerhard Walther, deceased, Karl-Heinz Weber, Helmut Ensinger, Franz Josef Kuhn, Gunter Schingnitz, Erich Lehr
  • Patent number: 5532233
    Abstract: The invention relates to new hetrazepines of general formula ##STR1## wherein A, Z, n, X, Y, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 have the meanings given in the specification.The new compounds are intended for use in treating pathological conditions and diseases in which PAF (platelet activating factor) is implicated.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: July 2, 1996
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl H. Weber, Albrecht Harreus, Werner Stransky, Gerhard Walther, Jorge Casals-Stenzel, Gojko Muacevic, Hubert Heuer, Wolf-Dietrich Bechtel
  • Patent number: 5532368
    Abstract: Xanthines of the formula I ##STR1## wherein R.sub.1 is a C.sub.1 -C.sub.4 alkyl group:R.sub.2 is a C.sub.1 -C.sub.4 alkyl group;R.sub.3 tetrahydropyran-4-yl or 1,3-dithiolan or;R.sub.3 represents one of the groups of formula ##STR2## and pharmaceutically acceptable acid addition salts thereof. These are adenosine antagonists, capable of acting as cholinomimetics, useful for the treatment of CNS disorders such as senile dementia and Alzheimer's disease.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: July 2, 1996
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Ulrike Kufner-Muhl, Karl-Heinz Weber, Gerhard Walther, Werner Stransky, Helmut Ensinger, Gunter Schingnitz, Franz J. Kuhn, Erich Lehr
  • Patent number: 5508405
    Abstract: The invention relates to new quinuclidines, processes for their preparation and their use as medicaments having cholinomimetic properties.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: April 16, 1996
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhard Walther, Karl H. Weber, Werner Stransky, Franz J Kuhn, Enzio Muller, Helmut Ensinger
  • Patent number: 5451587
    Abstract: The invention relates to quinuclidines, processes for their preparation and their use as medicaments having cholinomimetic properties.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: September 19, 1995
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhard Walther, Karl H. Weber, Werner Stransky, Franz J. Kuhn, Enzio Muller, Helmut Ensinger
  • Patent number: 5422353
    Abstract: The invention relates to new tetrahydropyridine derivatives, processes for preparing them and their use as pharmaceutical compositions with cholinomimetic properties.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: June 6, 1995
    Assignee: Boehringer Ingelheim KG
    Inventors: Gerhard Walther, Karl-Heinz Weber, Werner Stransky, Franz J. Kuhn, Erich Lehr, Enzio Muller, Gunter Schingnitz, Helmut Ensinger
  • Patent number: 5286864
    Abstract: The invention relates to new quinuclidines, processes for their preparation and their use as medicaments having cholinomimetic properties.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: February 15, 1994
    Assignee: Boehringer Ingelheim KG
    Inventors: Gerhard Walther, Karl H. Weber, Werner Stransky, Franz J. Kuhn, Enzio Muller, Helmut Ensinger
  • Patent number: 5155103
    Abstract: The invention relates to new thieno-triazolo-1,4-diazepino-2-carboxylic acid amides of formula I ##STR1## wherein R.sub.1 represents hydrogen, a C.sub.1 -C.sub.4 straight-chained or branched alkyl which can optionally be substituted by halogen, preferably Cl or Br, or by hydroxy, cyclopropyl, C.sub.1 -C.sub.3 alkoxy, preferably methoxy, or halogen, preferably chlorine or bromine;R.sub.2 and R.sub.3, each independently, represent hydrogen, a C.sub.1 -C.sub.4 straight-chained or branched alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or the two groups R.sub.2 and R.sub.3 together with the nitrogen atom represent a 5-, 6- or 7-membered ring which optionally contains a nitrogen, oxygen or sulfur atom as a further heteroatom, the second nitrogen atom optionally being substituted by a C.sub.1 -C.sub.4 alkyl, preferably a methyl group;R.sub.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: October 13, 1992
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Karl-Heinz Weber, Albrecht Harreus, Jorge Casals-Stenzel, Gojko Muacevic, Wolfgang Troger, Gerhard Walther
  • Patent number: 5149808
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 4 carbon atoms; R.sub.2 is 2-, 3- or 4-pyridyl, phenyl or mono- or di-substituted phenyl, where the substituents are each individually alkoxy of 1 to 2 carbon atoms, fluorine, chlorine, bromine, trifluoromethyl, alkyl or 1 to 4 carbon atoms, hydroxyl or nitro; andR.sub.3 and R.sub.4 are each independently hydrogen or alkyl of 1 to 4 carbon atoms; orR.sub.3 and R.sub.4, together with each other and the nitrogen atom to which they are attached, form an unsubstituted or methyl-substituted, saturated 5- or 6-membered heterocycle which may contain an additional oxygen or nitrogen heteroatom, or form an imidazole ring;where the aminomethyl substituent is attached to the 4- or 5-position or the pyrrolidine ring, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as nootropics and antihypoxics.
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: September 22, 1992
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn, Erich Lehr
  • Patent number: 5116971
    Abstract: The invention relates to new 1,4-diazepines of the general formula ##STR1## in which R.sub.1, R.sub.2 R.sub.3, X and A have the meaning indicated in the specification.The new compounds are intended for use for the treatment of pathological states and diseases in which PAF (platelet activating factor) is involved.
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: May 26, 1992
    Assignee: Boehringer Ingelheim KG
    Inventors: Albrecht Harreus, Karl-Heinz Weber, Werner Stransky, Gerhard Walther, Gojko Muacevic, Jorge C. Stenzel, Wolf-Dietrich Bechtel
  • Patent number: 5082839
    Abstract: The invention relates to new thieno-triazolo-1,4-diazepino-2-carboxylic acid amides of formula I ##STR1## wherein R.sub.1 represents hydrogen, a C.sub.1-C.sub.4 straight-chained or branched alkyl which can optionally be substituted by halogen, preferably C1 or Br, or by hydroxy, cyclopropyl, C.sub.1 -C.sub.3 alkoxy, preferably methoxy, or halogen, preferably chlorine or bromine;R.sub.2 and R.sub.3, each independently, represent hydrogen, a C.sub.1 -C.sub.4 straight-chained or branched alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or the two groups R.sub.2 and R.sub.3 together with the nitrogen atom represent a 5-, 6- or 7-membered ring which optionally contains a nitrogen, oxygen or sulfur atom as a further heteroatom, the second nitrogen atom optionally being substituted by a C.sub.1 -C.sub.4 alkyl, preferably a methyl group;R.sub.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: January 21, 1992
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Karl-Heinz Weber, Albrecht Harreus, Jorge Casals-Stenzel, Gojko Muacevic, Wolfgang Troger, Gerhard Walther
  • Patent number: 5073671
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 4 carbon atoms; R.sub.2 is 2-, 3- or 4-pyridyl, phenyl or mono- or di-substituted phenyl, where the substituents are each individually alkoxy of 1 to 2 carbon atoms, fluorine, chlorine, bromine, trifluoromethyl, alkyl or 1 to 4 carbon atoms, hydroxyl or nitro; andR.sub.3 and R.sub.4 are each independently hydrogen or alkyl of 1 to 4 carbon atoms; orR.sub.3 and R.sub.4, together with each other and the nitrogen atom to which they are attached, form an unsubstituted or methyl-substituted, saturated 5- or 6-membered heterocycle which may contain an additional oxygen or nitrogen heteroatom, or form an imidazole ring;where the aminomethyl substituent is attached to the 4- or 5-position or the pyrrolidine ring, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as nootropics and antihypoxics.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: December 17, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn, Erich Lehr
  • Patent number: 4996224
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 4 carbon atoms;R.sub.2 is 2-, 3- or 4-pyridyl, phenyl or mono- or di- substituted phenyl, where the substituents are each individually alkoxy of 1 to 2 carbon atoms, fluorine, chlorine, bromine, trifluoromethyl, alkyl or 1 to 4 carbon atoms, hydroxyl or nitro; andR.sub.3 and R.sub.4 are each independently hydrogen or alkyl of 1 to 4 carbon atoms; orR.sub.3 and R.sub.4, together with each other and the nitrogen atom to which they are attached, form an unsubstituted or methyl-substituted, saturated 5- or 6-membered heterocycle which may contain an additional oxygen or nitrogen heteroatom, or form an imidazole ring;where the aminomethyl substituent is attached to the 4- or 5-position or the pyrrolidine ring, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as nootropics and antihypoxics.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: February 26, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn, Erich Lehr
  • Patent number: 4968794
    Abstract: The invention relates to new thieno-traizolo-1,4-diazepino-2-carboxylic acid amides of formula I ##STR1## wherein R.sub.1 represents hydrogen, a C.sub.1 -C.sub.4 straight-chained or branched alkyl which can optionally be substituted by halogen, preferably Cl or Br, or by hydroxy, cyclopropyl, C.sub.1 -C.sub.3 alkoxy, preferably methoxy, or halogen, preferably chlorine or bromine;R.sub.2 and R.sub.3, each independently, represent hydrogen, a C.sub.1 -C.sub.4 straight-chained or branched alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or the two groups R.sub.2 and R.sub.3 together with the nitrogen atom represent a 5-, 6- or 7-membered ring which optionally contains a nitrogen, oxygen or sulfur atom as a further heteroatom, the second nitrogen atom optionally being substituted by a C.sub.1 -C.sub.4 alkyl, preferably a methyl group;R.sub.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: November 6, 1990
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl-Heinz Weber, Albrecht Harreus, Jorge C. Stenzel, Gojko Muacevic, Wolfgang Troger, Gerhard Walther
  • Patent number: 4954516
    Abstract: The invention relates to the use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: September 4, 1990
    Assignee: Boehringer Ingelheim KG
    Inventors: Erich Lehr, Wolf-Dietrich Bechtel, Karin Boke-Kuhn, Claus Schneider, Gerhard Walther, Karl-Heinz Weber
  • Patent number: 4912129
    Abstract: The invention relates to the use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: March 27, 1990
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Erich Lehr, Wolf-Dietrich Bechtel, Karin Boke-Kuhn, Claus Schneider, Gerhard Walther, Karl-Heinz Weber
  • Patent number: 4900729
    Abstract: The invention relates to new thieno-1,4-diazepines of general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.degree., R', Z, X, Y and n have the meanings given in the specification.The new compounds are intended to be used in the treatment of pathological conditions and diseases in which PAF (platelet activating factor) is implicated.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: February 13, 1990
    Assignee: Boehringer Ingelheim KG
    Inventors: Werner Stransky, Karl-Heinz Weber, Gerhard Walther, Albrecht Harreus, Jorge C. Stenzel, Gojko Muacevic, Wolf-Dietrich Bechtel