Patents by Inventor Klaus Unverferth

Klaus Unverferth 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: 20160367562
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Inventors: Chris RUNDFELDT, Rita DOST, Wolfgang LOSCHER, Andrea TIPOLD, Klaus UNVERFERTH, Hans-Joachim LANKAU
  • Patent number: 9469611
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: October 18, 2016
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Chris Rundfeldt, Rita Dost, Wolfgang Loscher, Andrea Tipold, Klaus Unverferth, Hans-Joachim Lankau
  • Publication number: 20150072983
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 12, 2015
    Inventors: Chris RUNDFELDT, Rita DOST, Wolfgang LOSCHER, Andrea TIPOLD, Klaus UNVERFERTH, Hans-Joachim LANKAU
  • Patent number: 8962617
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 24, 2015
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Chris Rundfeldt, Rita Dost, Wolfgang Loscher, Andrea Tipold, Klaus Unverferth, Hans-Joachim Lankau
  • Patent number: 8859540
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: October 14, 2014
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Chris Rundfeldt, Rita Dost, Wolfgang Loscher, Andrea Tipold, Klaus Unverferth, Hans-Joachim Lankau
  • Publication number: 20080027057
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1 H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 31, 2008
    Inventors: Chris Rundfeldt, Rita Dost, Wolfgang Loscher, Andrea Tipold, Klaus Unverferth, Hans-Joachim Lankau
  • Publication number: 20050070537
    Abstract: The present invention relates to the use of substituted dihydroimidazolones, particularly [1-(4-Chlorophenyl)-4-(4-morpholinyl)-2,5-dihydro-1H-imidazol-2-one] (AWD 131-138) or a physiologically acceptable salt thereof for the treatment of epilepsy in dogs.
    Type: Application
    Filed: October 6, 2003
    Publication date: March 31, 2005
    Inventors: Chris Rundfeldt, Rita Dost, Wolfgang Loscher, Andrea Tipold, Klaus Unverferth, Hans-Joachim Lankau
  • Publication number: 20030186997
    Abstract: The invention relates to 2,5-dihydropyrazolo[3,4-d]pyrimidin-4-ones and their tautomers which contain in the 5-position an ar(alkyl) radical and in the 2-position a hydrogen or an ar(alkyl) radical, processes for their preparation and their use as medicaments, in particular for the treatment of epilepsy of various forms.
    Type: Application
    Filed: February 18, 2003
    Publication date: October 2, 2003
    Inventors: Thomas Arnold, Hans-Joachim Lankau, Klaus Unverferth, Christine Tober, Chris Rundfeldt, Rita Dost, Katrin Bernoster, Antje Gasparic
  • Publication number: 20030023111
    Abstract: A process for the production of 1,2,4-triaminobenzene carbamic acid esters is described, said process being characterised by the use of pyrocarbonate or polypyrocarbonate. The use of pyrocarbonate or polypyrocarbonate brings about a rise in yield and increased purity of the product.
    Type: Application
    Filed: July 24, 2002
    Publication date: January 30, 2003
    Inventors: Hans-Joachim Lankau, Klaus Unverferth, Thomas Arnold, Jurgen Schaefer, Peter Meisel, Wilfried Thiel
  • Patent number: 6500821
    Abstract: The invention relates to 1,5-dihydropyrrol-2-ones of Formula 1 which contain an aryl radical in the 1-position and a secondary amine radical in the 4-position, to a process for making and for a process to treat various forms of epilepsies and of states of anxiety and tension.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: December 31, 2002
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Thomas Arnold, Klaus Unverferth, Hans-Joachim Lankau, Angelika Rostock, Christine Tober, Chris Rundfeldt, Reni Bartsch
  • Patent number: 6316448
    Abstract: The invention relates to 3,6-dihydropyrazolo[3,4-d][1,2,3]triazin-4-ones and their tautomers, which contain a benzyl radical in the 6 position, processes for their preparation and their use as medicaments, in particular for the treatment of epilepsy of various forms.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: November 13, 2001
    Inventors: Thomas Arnold, Klaus Unverferth, Hans-Joachim Lankau, Angelika Rostock, Reni Bartsch, Thomas Kronbach
  • Patent number: 6071911
    Abstract: Antiepileptic compounds of the formula ##STR1## wherein X is hydrogen, a C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl, trifluoromethoxy or halogen residue, A is an amino, C.sub.1-4 alkylamino, C.sub.1-4 dialkylamino, morpholino, piperidino or pyrrolidino residue, and n is a cardinal number from 0 to 5, and process for preparing the foregoing compounds and for their use as anticonvulsives.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: June 6, 2000
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Hans-Joachim Lankau, Klaus Unverferth, Thomas Arnold, Reni Bartsch, Abgelika Rostock, Vladimir Granik, Sofia Grizik
  • Patent number: 6054460
    Abstract: The invention relates to pyrazolo[3,4d]pyrimidin-4(5H)-ones and pyrazolo[3,4-d]pyrimidine-4(5H)-thiones and their tautomers and pharmaceutically acceptable salts, which contain a benzyl radical in the 2-position, processes for their preparation and their use as medicaments, in particular for the treatment of epilepsies of various forms and of allergic/asthmatic diseases.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: April 25, 2000
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Thomas Arnold, Hans-Joachim Lankau, Manfred Menzer, Angelika Rostock, Christine Tober, Klaus Unverferth
  • Patent number: 5994347
    Abstract: A process for the treatment of anxiety and tension, which comprises administering to a patient in need therefor an anxiolytically effective amount of a compound of the formula ##STR1## wherein X is hydrogen, a C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl residue, or halogen; R.sup.1 and R.sup.2 are independently of each other a C.sub.1-4 alkyl, cycloalkyl, C.sub.2-4 hydroxyalkyl, or heteroalkyl residue, or R.sup.1 and R.sup.2 together form a C.sub.2-6 alkylene residue in which one --CH.sub.2 -- group can be replaced by oxygen, nitrogen or sulfur; n is 0 or 1, and m is 0 or a cardinal number from 1-5, or a pharmaceutically acceptable salt of the compound.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: November 30, 1999
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Angelika Rostock, Rita Dost, Christine Tober, Reni Bartsch, Klaus Unverferth, Chris Rundfeldt
  • Patent number: 5869481
    Abstract: Compounds having anticonsulive activity, of the formula 1 ##STR1## in which X is hydrogen, a C.sub.1-4 -alkyl, C.sub.1-4 alkoxy, trifluoromethyl, or halogen residue, R.sup.1 and R.sup.2 are independently of each other C.sub.1-4 -alkyl, C.sub.2-4 hydroxyalkyl, cycloalkyl or heteroalkyl, or R.sup.1 and R.sup.2 are together a C.sub.2-6 alkylene reside in which a--CH.sub.2 --group is optionally replaced by oxygen, nitrogen or sulfur, m is 0 or 1, and n is 0 or a cardinal number from 1 to 5, and their pharmaceutically acceptable salts. The application also relates to a process for making the compound of formula (I).
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: February 9, 1999
    Assignee: Arzneitmittelwerk Dresden G.m.b.H.
    Inventors: Hans-Joachim Lankau, Manfred Menzer, Klaus Unverferth, Karl Gewald, Harry Schafer, deceased
  • Patent number: 5817685
    Abstract: Anticonvulsive compounds and compositions, of the formula ##STR1## in which X is a C.sub.1-4 -alkyl, trifluoromethyl, or halogen residue, Y is hydrogen or halogen, n is 0 or 1, and m is 0 or a cardinal number from 1 to 4, and its pharmacologically acceptable acid addition salts.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: October 6, 1998
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Hans-Joachim Lankau, Manfred Menzer, Angelika Rostock, Klaus Unverferth
  • Patent number: 5414082
    Abstract: A process for producing pharmacologically active 1-unsubstituted 3-aminopyrroles of the formula ##STR1## by ring transformation of a corresponding 1,2-thiazolium pyrrole in a single step, without producing harmful byproducts.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: May 9, 1995
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Andreas Rolfs, Jurger Liebscher, Klaus Unverferth, Gottfried Faust