Patents Represented by Attorney, Agent or Law Firm Jerrie L. Chiu
  • Patent number: 6677352
    Abstract: The invention relates generally to naphthyridine derivatives of the formula wherein one of U, X, Y and Z is nitrogen and the others are C—R, where R is hydrogen or a substituent. More specifically, the invention relates to 1,6-naphthyridine derivatives and pharmaceutical compositions containing such derivatives. Methods of the invention comprise administration of a naphthyridine derivative of the invention for the treatment of diabetes and related disorders.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: January 13, 2004
    Inventors: Yamin Wang, William H. Bullock, Libing Chen
  • Patent number: 6586613
    Abstract: Substituted tetrahydro-naphthalenes and analogous compounds are prepared by reducing or condensing appropriate functional substituents in substituted tetrahydro-naphthalenes and analogous compounds by customary methods and converting functional groups in this manner into the desired groups. The compounds according to the invention are suitable for use as active compounds in pharmaceuticals, in particular in pharmaceuticals for treating arteriosclerosis and also dyslipidaemias.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: July 1, 2003
    Assignee: Bayer Aktiengellschaft
    Inventors: Arndt Brandes, Michael Lögers, Jürgen Stoltefuss, Gunter Schmidt, Klaus-Dieter Bremm, Hilmar Bischoff, Delf Schmidt, Stefan Antons, Holger Paulsen, Stephan Nicholas Müller, Paul Naab, Carsten Schmeck
  • Patent number: 6573263
    Abstract: The present invention relates to new substituted imidazotriazinones, processes for their preparation, and their use for the production of medicaments, in particular for improving perception, concentration power, learning power and/or memory power.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: June 3, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Dagmar Schauss, Martin Hendrix, Gerhard König, Frank-Gerhard Böss, Franz-Josef Van Der Staay, Rudy Schreiber, Karl-Heinz Schlemmer, Rolf Grosser
  • Patent number: 6566360
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: May 20, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Patent number: 6562811
    Abstract: Pyridine compounds of general formula: wherein —R1 represents in which R11 is hydrogen, C1-6 alkyl, halogen, hydroxy, C1-12 alkoxy, nitro, amino, C1-6 alkylsulfonylamino, C1-6 alkoxycarbonyl, C1-6 alkylamino, di(C1-6 alkyl)amino, C1-6 alkanoylamino, phenyl C1-6 alkylamino, phenylsulfonylamino, or —O—(CH2)n—R111; R2 represents hydrogen or halogen; R3 represents hydrogen, —CR31R32R33, or —NR34R35; R4 is hydrogen, carbamoyl, CN, carboxyl, etc.; R5 is amino, C1-6 alkylamino, di C1-6 alkylamino, etc. or salt thereof. The compound has an excellent anti-inflammatory activity, and other biological activity.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: May 13, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Toshiki Murata, Masaomi Umeda, Sachiko Sakakibara, Takashi Yoshino, Hiroki Sato, Tsutomu Masuda, Yuji Koriyama, Mitsuyuki Shimada, Takuya Shintani, Hiroshi Kadono, Timothy B. Lowinger, Karl B. Ziegelbauer, Kinji Fuchikami, Hiroshi Komura
  • Patent number: 6555580
    Abstract: The invention relates to novel amino- and amido-diphenyl ethers, processes for their preparation and their use in pharmaceuticals, in particular for the indications of arteriosclerosis and hypercholesterolaemia.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: April 29, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Haning, Josef Pernerstorfer, Gunter Schmidt, Michael Woltering, Hilmar Bischoff, Verena Vöhringer, Axel Kretschmer, Christiane Faeste
  • Patent number: 6548079
    Abstract: The present invention relates to an aqueous formulation comprising moxifloxacin hydrochloride and sodium chloride, to the formulation for use as a medicament and to the use of the formulation for preparing a medicament for preventing or treating bacterial infections in humans or animals.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: April 15, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Kühn, Hans-Friedrich Mahler, Michael Eisele
  • Patent number: 6545029
    Abstract: The present invention relates to new phenylserine derivatives as integrin antagonists with a broad spectrum of action having, inter alia, antiosteoporotic, antirestenotic, anticarcinogenic and antiatherosclerotic activity. The present invention moreover relates to the preparation of these compounds and their use for the production of medicaments, and also medicaments comprising them.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: April 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventor: Andrea Vaupel
  • Patent number: 6521707
    Abstract: The invention relates to novel isocyanates containing tertiary amino groups, a process for preparing them, and also their use for the synthesis and modification of polymers. The invention provides isocyanates of the formula (I) where R1 and R2 are, independently of one another, alkyl having from 1 to 6 carbon atoms, where R1 and R2 may be joined to form a ring, Z is alkylene having from 2 to 6 carbon atoms, n is an integer from 0 to 20, Y is alkylene having from 2 to 6 carbon atoms. The alkyl radicals R1 and R2 may be linear or branched or joined to form an aliphatic ring. The alkylene radical Z preferably contains from 2 to 4 carbon atoms.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: February 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Podszun, Joachim Krüger, Kamelia Karlou-Eyrisch
  • Patent number: 6506734
    Abstract: The present invention relates to glycoconjugates of 20(S)-camptothecin, in which a 3-O-methylated &bgr;-L-fucose unit is linked to the 20-hydroxyl group of a camptothecin derivative via a thiourea-modified peptide spacer. The invention furthermore relates to processes for the preparation of the compounds according to the invention and to their use as medicaments, in particular in connection with oncoses.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: January 14, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Georg Lerchen, Karsten von dem Bruch, Jörg Baumgarten, Michael Sperzel
  • Patent number: 6503913
    Abstract: The invention relates to new 2-heterocyclically substituted dihydropyrimidines, medicaments which contain these 2-heterocyclically substituted dihydropyrimidines, and a process for preparation of medicaments. The invention furthermore relates to the use of the 2-heterocyclically substituted dihydropyrimidines for the production of a medicament, in particular for the treatment of acute or chronic viral diseases, in particular for the production of a medicament for the treatment of acute or chronic hepatitis B infections.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: January 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Jürgen Stoltefuss, Arnold Paessens, Erwin Graef, Stefan Lottmann
  • Patent number: 6500817
    Abstract: The present invention relates to thiazolylurea derivatives, a process for their preparation, and their use as pharmaceuticals, in particular as antiviral pharmaceuticals.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: December 31, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rüdiger Fischer, Gerald Kleymann, Judith Baumeister, Wolfgang Bender, Ulrich Betz, Peter Eckenberg, Gabriele Handke, Martin Hendrix, Udo Schneider, Olaf Weber, Kerstin Henninger, Axel Jensen, Jörg Keldenich
  • Patent number: 6498183
    Abstract: The present invention relates to novel compounds which are suitable as pharmaceuticals, to processes for their preparation and to their use as pharmaceuticals, in particular as antiviral agents.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: December 24, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Bender, Peter Eckenberg, Siegfried Goldmann, Michael Härter, Sabine Hallenberger, Jürgen Reefschläger, Jörg Trappe, Olaf Weber
  • Patent number: 6495545
    Abstract: The present invention relates to compounds of general formula (I) and their preparation and use for the production of pharmaceuticals, and pharmaceuticals comprising these compounds.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: December 17, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Urbahns, Delf Schmidt, Ulf Brüggemeier, Christoph Gerdes, Beatrix Stelte-Ludwig, Jörg Keldenich, Elke Stahl
  • Patent number: 6476029
    Abstract: The present invention relates to 7-alkyl- and cycloalkyl-substituted imidazotriazinones, to processes for their preparation and to their use as medicaments, in particular as inhibitors of cGMP-metabolizing phosphodiesterases.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: November 5, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Gunter Schmidt, Karl-Heinz Schlemmer, Erwin Bischoff, Klaus Dembowsky, Elisabeth Perzborn
  • Patent number: 6469054
    Abstract: The present invention relates to novel arylsulphonamides and analogues, to processes for their preparation and to their use for the prophylaxis and treatment of neurodegenerative disorders, in particular for the treatment of cerebral apoplexy, craniocerebral trauma, pain and spasticity.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: October 22, 2002
    Assignee: Bayer Aktiengesellshaft
    Inventors: Joachim Mittendorf, Jürgen Dressel, Michael Matzke, Jörg Keldenich, Frank Mauler, Jean-Marie-Victor de Vry, Jürgen Franz, Peter Spreyer, Verena Vöhringer, Joachim Schumacher, Michael-Harold Rock, Ervin Horvàth, Arno Friedl, Klaus-Helmut Mohrs, Siegfried Raddatz, Reinhard Jork
  • Patent number: 6462074
    Abstract: The present invention relates to novel substituted (&agr;,&bgr;-fused butyrolactones, to processes for their preparation and to their use for the prevention and/or treatment of disorders caused by hyper- or hypofunction of the glutamatergic system, in particular of cerebral ischaemias, craniocerebral trauma, states of pain or CNS-mediated spasms.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: October 8, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Stolle, Horst-Peter Antonicek, Stephen Lensky, Arnd Voerste, Thomas Müller, Jörg Baumgarten, Karsten von dem Bruch, Gerhard Müller, Udo Stropp, Ervin Horváth, Jean-Marie-Viktor de Vry, Rudy Schreiber
  • Patent number: 6458796
    Abstract: The present invention relates to novel dihydro-[1,2,3]triazolo-[4,5-d]pyrimidin-7-one, to processes for their preparation and to their use as medicaments, in particular as inhibitors of cGMP-metabolizing phosphodiesterases.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: October 1, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Haning, Ulrich Niewöhner, Ulrich Rosentreter, Thomas Schenke, Erwin Bischoff, Karl-Heinz Schlemmer
  • Patent number: 6436943
    Abstract: The invention relates to dihydropyrimidines of the general formula and to the use of dihydropyrimidines as medicaments for the treatment and prophylaxis of hepatitis B. The invention further relates to a process for the preparation of medicaments comprising the corresponding dihydropyrimidines.
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: August 20, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jürgen Stoltefuss, Siegfried Goldmann, Arnold Paessens, Erwin Graef, Stefan Lottmann
  • Patent number: 6420393
    Abstract: The invention relates to cyclopentabenzofuran derivatives, processes for their preparation, the use of cyclopentabenzofuran derivatives for the production of a medicament for the therapy of NF-&kgr;B-dependent diseases and medicaments which contain the cyclopentabenzofuran derivatives.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: July 16, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Guarnieri, Thomas Jaetsch, Andreas Schoop, Jörg Baumgarten, Axel Kretschmer, Horst-Peter Antonicek