Patents by Inventor Johannes Ludescher

Johannes Ludescher 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).

  • Patent number: 9458146
    Abstract: A crystalline sodium salt of a compound of formula I (INN: Raltegravir) or a hydrate/solvate thereof is disclosed as well as a process for obtaining the same.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 4, 2016
    Assignee: SANDOZ AG
    Inventors: Frtiz Blatter, Katharina Reichenbächer, Robert Ziegert, Josef Wieser, Johannes Ludescher
  • Patent number: 9266868
    Abstract: Provided are a crystalline dihydrate of Rivaroxaban, processes for the preparation thereof, pharmaceutical compositions containing the crystalline dihydrate and processes for preparing and storing the pharmaceutical compositions. Also provided are a crystalline formic acid solvate of Rivaroxaban, processes for the preparation of crystalline Rivaroxaban formic acid solvate and the use of the Rivaroxaban formic acid solvate in the manufacture of the crystalline dihydrate of Rivaroxaban.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: February 23, 2016
    Assignee: SANDOZ AG
    Inventors: Johannes Ludescher, Hubert Sturm, Ulrich Griesser, Robert E. Ziegert-Knepper, Arthur Pichler, Mairi Haddow
  • Patent number: 9139597
    Abstract: The present invention relates to a method for the production of organic compounds, in particular sodium (6R,7R)-7-[(Z)-2-(5-amino-[1,2,4]thiadiazol-3-yl)-2-hydroxyimino-acetylamino]-8-oxo-3-[(E)-(R)-1?-(5-methyl-2-oxo-[1,3]-dioxol-4-ylmethoxycarbonyl)-2-oxo-[1,3?]bipyrrolidinyl-3-ylidenemethyl]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate (ceftobiprole medocaril), and compounds of the general formula (1) and of the general formula (2), the compounds themselves and intermediates in the production according to the invention.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: September 22, 2015
    Assignee: SANDOZ AG
    Inventors: Peter Kremminger, Johannes Ludescher, Hubert Sturm
  • Patent number: 9096610
    Abstract: The present invention relates to a method for the production of organic compounds, in particular sodium (6R,7R)-7-[(Z)-2-(5-amino-[1,2,4]thiadiazol-3-yl)-2-hydroxyimino-acetylamino]-8-oxo-3-[(E)-(R)-1?-(5-methyl-2-oxo-[1,3]-dioxol-4-ylmethoxycarbonyl)-2-oxo-[1,3?]bipyrrolidinyl-3-ylidenemethyl]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate (ceftobiprole medocaril), and compounds of the general formula (1) and of the general formula (2), the compounds themselves and intermediates in the production according to the invention.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: August 4, 2015
    Assignee: SANDOZ AG
    Inventors: Peter Kremminger, Johannes Ludescher, Hubert Sturm
  • Patent number: 8729229
    Abstract: The present invention relates to processes for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: May 20, 2014
    Assignee: Sandoz AG
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher
  • Publication number: 20140135353
    Abstract: A crystalline sodium salt of a compound of formula I (INN: Raltegravir) or a hydrate/solvate thereof is disclosed as well as a process for obtaining the same.
    Type: Application
    Filed: April 27, 2012
    Publication date: May 15, 2014
    Applicant: SANDOZ AG
    Inventors: Fritz Blatter, Katharina Reichenbächer, Robert Ziegert, Josef Wieser, Johannes Ludescher
  • Publication number: 20130245017
    Abstract: The present invention relates to a novel crystalline dihydrate of Rivaroxaban, processes for the preparation thereof, pharmaceutical compositions comprising said crystalline dehydrate and to processes for preparing and storing said pharmaceutical compositions. The invention also relates to a crystalline formic acid solvate of Rivaroxaban, processes for the preparation of crystalline Rivaroxaban formic acid solvate and to the use of said Rivaroxaban formic acid solvate in the manufacture of the crystalline dihydrate of Rivaroxaban.
    Type: Application
    Filed: July 5, 2011
    Publication date: September 19, 2013
    Applicant: SANDOZ AG
    Inventors: Johannes Ludescher, Hubert Sturm, Ulrich Griesser, Robert E. Ziegert-Knepper, Arthur Pichler, Mairl Haddow
  • Patent number: 8536305
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 17, 2013
    Assignee: Sandoz AG
    Inventors: Anup K Ray, Hiren V Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R Patel, Ingolf Macher
  • Patent number: 8455639
    Abstract: The present invention is directed to a crystalline form of 2-[6-[3(R)-aminopiperidin-1-yl]-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-ylmethyl]-benzonitrile, a process for the preparation of said crystalline form and the use thereof in the manufacture of a pharmaceutical composition.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: June 4, 2013
    Assignee: Sandoz AG
    Inventors: Johannes Ludescher, Josef Wieser, Gerhard Laus
  • Publication number: 20130102551
    Abstract: The invention relates to solid pharmaceutical or veterinary compositions comprising substantially pure Tulythromycin A in form of an addition salt with one or more acids, and to methods for preparing them. Following reconstitution with an aqueous solvent, the resulting solutions of Tulathromycin A may be administered to a mammal in order to treat bacterial or protozoal infections.
    Type: Application
    Filed: June 30, 2011
    Publication date: April 25, 2013
    Inventors: Andreas Hotte, Johannes Ludescher, Rafael Garcia, Oriol Martorell, Albert Codony
  • Publication number: 20130028940
    Abstract: The present invention relates to pharmaceutical compositions comprising a pharmaceutically acceptable salt of caspofungin as active ingredient being useful for the prevention and/or treatment of fungal infections. Said compositions additionally comprise specific bulking agents and small amounts or no amounts of an additional pH modifier and may be in a liquid or solid form, e.g. may be lyophilized compositions. Said compositions show good stability and reduced amounts of sub-visible particulate matter formed in solutions which are reconstituted from the lyophilized product.
    Type: Application
    Filed: June 25, 2012
    Publication date: January 31, 2013
    Applicant: SANDOZ AG
    Inventors: Christian Welz, Gottfried Stubauer, Andreas Schmarda, Herwig Jennewein, Ingolf Macher, Johannes Ludescher
  • Patent number: 8232245
    Abstract: The present invention relates to pharmaceutical compositions comprising a pharmaceutically acceptable salt of caspofungin as active ingredient being useful for the prevention and/or treatment of fungal infections. The compositions additionally comprise specific bulking agents and small amounts or no amounts of an additional pH modifier and may be in a liquid or solid form, e.g. may be lyophilized compositions. The compositions show good stability and reduced amounts of sub-visible particulate matter formed in solutions which are reconstituted from the lyophilized product.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: July 31, 2012
    Assignee: Sandoz AG
    Inventors: Christian Welz, Gottfried Stubauer, Andreas Schmarda, Herwig Jennewein, Ingolf Macher, Johannes Ludescher
  • Patent number: 8222380
    Abstract: The present invention relates to stable amorphous 3-De[(2,6-dideoxy-3-C-methyl-3-O-methyl-?-L-ribohexopyranosyl)oxy]-11,12-dideoxy-6-O-methyl-3-oxo-12,11-[oxycarbonyl[[4-[4-(3-pyridinyl)-1H-imidazol-1-yl]butyl]imino]]erythromycin (telithromycin), methods for the preparation thereof, the use of stable amorphous telithromycin in the treatment of bacterial infections and to pharmaceutical compositions comprising stable amorphous telithromycin.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: July 17, 2012
    Assignee: Sandoz AG
    Inventors: Johannes Ludescher, Ulrich Griesser, Christoph Langes
  • Publication number: 20120116070
    Abstract: The present invention relates to a method for the production of organic compounds, in particular sodium (6R,7R)-7-[(Z)-2-(5-amino-[1,2,4]thiadiazol-3-yl)-2-hydroxyimino-acetylamino]-8-oxo-3-[(E)-(R)-1?-(5-methyl-2-oxo-[1,3]-dioxol-4-ylmethoxycarbonyl)-2-oxo-[1,3?]bipyrrolidinyl-3-ylidenemethyl]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate (ceftobiprole medocaril), and compounds of the general formula (1) and of the general formula (2), the compounds themselves and intermediates in the production according to the invention.
    Type: Application
    Filed: May 25, 2010
    Publication date: May 10, 2012
    Applicant: SANDOZ AG
    Inventors: Peter Kremminger, Johannes Ludescher, Hubert Sturm
  • Publication number: 20120108807
    Abstract: The present invention relates to a method for the production of organic compounds, in particular sodium (6R,7R)-7-[(Z)-2-(5-amino-[1,2,4]thiadiazol-3-yl)-2-hydroxyimino-acetylamino]-8-oxo-3-[(E)-(R)-1?-(5-methyl-2-oxo-[1,3]-dioxol-4-ylmethoxycarbonyl)-2-oxo-[1,3?]bipyrrolidinyl-3-ylidenemethyl]-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylate (ceftobiprole medocaril), and compounds of the general formula (1) and of the general formula (2), the compounds themselves and intermediates in the production according to the invention.
    Type: Application
    Filed: May 25, 2010
    Publication date: May 3, 2012
    Applicant: SANDOZ AG
    Inventors: Peter Kremminger, Johannes Ludescher, Hubert Sturm
  • Publication number: 20110306764
    Abstract: The present invention is directed to a crystalline form of 2-[6-[3(R)-aminopiperidin-1-yl]-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-ylmethyl]-benzonitrile, a process for the preparation of said crystalline form and the use thereof in the manufacture of a pharmaceutical composition.
    Type: Application
    Filed: December 18, 2009
    Publication date: December 15, 2011
    Applicant: SANDOZ AG
    Inventors: Johannes Ludescher, Josef Wieser, Gerhard Laus
  • Patent number: 7884205
    Abstract: The present invention relates to acid addition salts of aripiprazole, a process for preparing said acid addition salts and their use to prepare or purify aripiprazole in the form of a free base or in the form of a pharmaceutically acceptable salt.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: February 8, 2011
    Assignee: Sandoz AG
    Inventors: Johannes Ludescher, Hubert Sturm
  • Publication number: 20110015191
    Abstract: Novel polymorph form III of Aprepitant and a method for preparation of novel form III is disclosed. New processes for the preparation of Aprepitant form II are disclosed. The processes involve transformation of form III to form II by heating in decalin and the precipitation of form II from a solvent or solvent mixture by cooling and/or addition of addition of seed crystals or an anti solvent. Solid dispersions containing Aprepitant form II in a suitable carrier are disclosed. A process for the preparation of the solid dispersion by evaporation of a solution of Aprepitant and the carrier in a suitable solvent is disclosed. Stable Aprepitant form II is disclosed. Further pharmaceutical compositions containing Aprepitant form II, III or solid dispersions containing Aprepitant form II in a suitable carrier are disclosed. A methanol solvate of Aprepitant is disclosed.
    Type: Application
    Filed: February 22, 2008
    Publication date: January 20, 2011
    Applicant: SANDOZ AG
    Inventors: Johannes Ludescher, Josef Wieser, Arthur Pichler, Ulrich Griesser, Doris Braun
  • Patent number: 7847093
    Abstract: This invention provides processes for preparing cefepime, including crystalline intermediates of Formula V.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: December 7, 2010
    Assignee: Sandoz AG
    Inventors: Johannes Ludescher, Hubert Sturm, Siegfried Wolf
  • Patent number: 7834176
    Abstract: The invention provides an Olanzapine pseudopolymoph Form E. The invention provides methods of preparing polymorphic Olanzapine Form E employing rapid crystallization and seeding. The invention provides methods of preparing anhydrous Olanzapine Form I from the Olanzapine Form E by step-wise drying.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: November 16, 2010
    Assignee: Sandoz AG
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mahendra R. Patel