Patents by Inventor Martin Viertelhaus

Martin Viertelhaus 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).

  • Crystalline form of pemirolast
    Patent number: 9006431
    Abstract: There is provided a hemihydrate form of the sodium salt of pemirolast.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: April 14, 2015
    Assignee: RSPR Pharma AB
    Inventors: Anett Perlberg, Martin Viertelhaus, Ulrika Rosenström, Karol Horvath
  • METHYLPYRROLOPYRIMIDINECARBOXAMIDES
    Publication number: 20150073001
    Abstract: The compounds of Formula (I), wherein R1, R2, R21, R22, R23, R24, Y and R3 have the meanings as given in the description, the salts thereof, the stereoisomers of the compounds and the salts thereof are effective inhibitors of the type 5 phosphodiesterase and are useful for treating or preventing idiopathic pulmonary lung fibrosis.
    Type: Application
    Filed: November 19, 2014
    Publication date: March 12, 2015
    Inventors: Josef STADLWIESER, Beate SCHMIDT, Heiko BERNSMANN, Torsten DUNKERN, Ewald BENEDIKTUS, Andreas PAHL, Ragna HUSSONG, Olaf NIMZ, Matthias MUELLER, Martin VIERTELHAUS
  • Methylpyrrolopyrimidinecarboxamides
    Patent number: 8927557
    Abstract: The compounds of Formula (I), wherein R1, R2, R21, R22, R23, R24, Y and R3 have the meanings as given in the description, the salts thereof, the stereoisomers of the compounds and the salts thereof are effective inhibitors of the type 5 phosphodiesterase.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: January 6, 2015
    Assignee: Takeda GmbH
    Inventors: Josef Stadlwieser, Beate Schmidt, Heiko Bernsmann, Torsten Dunkern, Ewald Benediktus, Andreas Pahl, Ragna Hussong, Olaf Nimz, Matthias Mueller, Martin Viertelhaus
  • New Crystalline Form of Pemirolast
    Publication number: 20140329839
    Abstract: There is provided a hemihydrate form of the sodium salt of pemirolast.
    Type: Application
    Filed: May 12, 2014
    Publication date: November 6, 2014
    Applicant: CARDOZ AB
    Inventors: Anett Perlberg, Martin Viertelhaus, Ulrika Rosenström, Karol Horvath
  • NOVEL PHTHALAZINONE-PYRROLOPYRIMIDINECARBOXAMIDE DERIVATIVES
    Publication number: 20140112945
    Abstract: The compounds of formula (1) in which R1, R7, R8, R9, R10, R17, R18, R19, R20 and m have the meanings as given in the description, are novel effective inhibitors of type 4 and type 5 phosphodiesterase.
    Type: Application
    Filed: June 12, 2012
    Publication date: April 24, 2014
    Applicant: TAKEDA GmbH
    Inventors: Thomas Stengel, Thomas Maier, Alexander Mann, Josef Stadlwieser, Dieter Flockerzi, Andreas Pahl, Ewald Benediktus, Manuela Hessmann, Tobias Kanacher, Ragna Hussong, Christof Zitt, Hans Christof Holst, Rolf-Peter Hummel, Martin Viertelhaus, Hermann Tenor, Torsten Dunkern, Armin Hatzelmann, Christian Hesslinger
  • 5,6-D hydro-1H-pyridin-2-one compounds
    Patent number: 8546602
    Abstract: The invention is directed to 5,6-dihydro-1H-pyridin-2-one compounds of Formula I wherein X is N, and A is and compounds used to synthesize the compounds of Formula I.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: October 1, 2013
    Assignee: Anadys Pharmaceuticals, Inc.
    Inventors: Chinh V. Tran, Frank Ruebsam, Douglas E. Murphy, Peter Dragovich, Yuefen Zhou, Lijian Chen, David Kucera, Fritz Blatter, Martin Viertelhaus
  • 5,6-DIHYDRO-1H-PYRIDIN-2-ONE COMPOUNDS
    Publication number: 20120302744
    Abstract: The invention is directed to 5,6-dihydro-1H-pyridin-2-one compounds of Formula I wherein X is N, and A is and compounds used to synthesize the compounds of Formula I.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 29, 2012
    Applicant: Anadys Pharmaceuticals, Inc.
    Inventors: Chinh V. Tran, Frank Ruebsam, Douglas E. Murphy, Peter Dragovich, Yuefen Zhou, Lijian Chen, David Kucera, Fritz Blatter, Martin Viertelhaus
  • New Crystalline Form of Pemirolast
    Publication number: 20120157415
    Abstract: There is provided a hemihydrate form of the sodium salt of pemirolast.
    Type: Application
    Filed: June 15, 2010
    Publication date: June 21, 2012
    Applicant: CARDOZ AB
    Inventors: Anett Perlberg, Martin Viertelhaus, Ulrika Rosentrôm, Karol Horvath
  • METHYLPYRROLOPYRIMIDINECARBOXAMIDES
    Publication number: 20120149721
    Abstract: The compounds of Formula (I), wherein R1, R2, R21, R22, R23, R24, Y and R3 have the meanings as given in the description, the salts thereof, the stereoisomers of the compounds and the salts thereof are effective inhibitors of the type 5 phosphodiesterase.
    Type: Application
    Filed: August 24, 2010
    Publication date: June 14, 2012
    Applicant: NYCOMED GMBH
    Inventors: Josef Stadlwieser, Beate Schmidt, Heiko Bernsmann, Torsten Dunkern, Ewald Benediktus, Andreas Pahl, Ragna Hussong, Olaf Nimz, Matthias Mueller, Martin Viertelhaus
  • 5,6-dihydro-1-pyridin-2-one compounds
    Patent number: 8101800
    Abstract: The invention is directed to a 5,6-dihydro-1H-pyridin-2-one compound selected from:
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: January 24, 2012
    Assignee: Anadys Pharmaceuticals, Inc.
    Inventors: Chinh V. Tran, Frank Ruebsam, Douglas E. Murphy, Peter Dragovich, Yuefen Zhou, Lijian Chen, David Kucera, Fritz Blatter, Martin Viertelhaus
  • 5,6-DIHYDRO-1H-PYRIDIN-2-ONE COMPOUNDS
    Publication number: 20110166344
    Abstract: The invention is directed to 5,6-dihydro-1H-pyridin-2-one compounds of Formula I wherein X is N, and A is and compounds used to synthesize the compounds of Formula I.
    Type: Application
    Filed: March 8, 2011
    Publication date: July 7, 2011
    Applicant: Anadys Pharmaceuticals, Inc.
    Inventors: Chinh V. Tran, Frank Ruebsam, Douglas E. Murphy, Peter Dragovich, Yuefen Zhou, Lijian Chen, David Kucera, Fritz Blatter, Martin Viertelhaus
  • P-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-?-D-ribofuranosyl)-3H-thiazole[4,5-d]pyrimidine-2-one and methods for preparation
    Patent number: 7928085
    Abstract: The present disclosure relates to p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-beta-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and to its use in treating conditions such as viral infections, tumors, and cancer. Also disclosed is a method of preparing the p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-?-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and methods for producing furanose compounds which are useful intermediates in the preparation of pharmaceutical compounds such as p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-?-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and the like.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: April 19, 2011
    Assignee: Anadys Pharmaceuticals, Inc.
    Inventors: David Kucera, Gregory J. Haley, Erik J. Rueden, Tingmin Wang, Fritz Blatter, Martin Viertelhaus
  • 5,6-DIHYDRO-1H-PYRIDIN-2-ONE COMPOUNDS
    Publication number: 20100034773
    Abstract: The invention is directed to 5,6-dihydro-1H-pyridin-2-one compounds and pharmaceutical compositions containing such compounds that are useful in treating infections by hepatitis C virus.
    Type: Application
    Filed: April 2, 2008
    Publication date: February 11, 2010
    Applicant: Anadys Pharmaceuticals, Inc.
    Inventors: Chinh V. Tran, Frank Ruebsam, Douglas E. Murphy, Peter Dragovich, Yuefen Zhou, Lijian Chen, David Kucera, Fritz Blatter, Martin Viertelhaus
  • P-Toluene Sulfonic Acid Salt of 5-Amino-3-(2'-O-Acetyl-3'-Deoxy-Beta-D-Ribofuranosyl)-3H-Thiazole[4,5-d]pyrimidine-2-one and Methods for Preparation
    Publication number: 20090197826
    Abstract: The present disclosure relates to p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-beta-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and to its use in treating conditions such as viral infections, tumors, and cancer. Also disclosed is a method of preparing the p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-?-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and methods for producing furanose compounds which are useful intermediates in the preparation of pharmaceutical compounds such as p-toluene sulfonic acid salt of 5-amino-3-(2?-O-acetyl-3?-deoxy-?-D-ribofuranosyl)-3H-thiazolo[4,5-d]pyrimidin-2-one and the like.
    Type: Application
    Filed: October 16, 2007
    Publication date: August 6, 2009
    Applicant: Anadys Pharmaceuticals, Inc.
    Inventors: David Kucera, Gregory J. Haley, Erik J. Rueden, Tingmin Wang, Fritz Blatter, Martin Viertelhaus