Patents by Inventor Walter Prikoszovich

Walter Prikoszovich 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: 20100274027
    Abstract: The invention provides a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Allskiren. Inter alia, the invention provides a process for the manufacture of a compound of the formula III, wherein R, R1, R2, R3 and PG are as defined in the specification, or a salt thereof. The manufacture comprises (preferably consists of) reacting a compound of the formula I, with a reagent able to transform hydroxy into X where X is for example a leaving group.
    Type: Application
    Filed: June 25, 2010
    Publication date: October 28, 2010
    Applicant: NOVARTIS AG
    Inventors: Stuart John Mickel, Gottfried Sedelmeier, Hans Hirt, Frank Schäfer, Michael Foulkes, Walter Prikoszovich
  • Patent number: 7767831
    Abstract: The present invention provides a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren. Inter alia, the invention provides a process for the manufacture of a compound of the formula III, wherein R, R1, R2, R3 and PG are as defined in the specification, or a salt thereof. The manufacture comprises (preferably consists of) reacting a compound of the formula I, with a reagent able to transform hydroxy into X where X is for example a leaving group.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: August 3, 2010
    Assignee: Novartis AG
    Inventors: Stuart J Mickel, Gottfried Sedelmeier, Hans Hirt, Frank Schäfer, Michael Foulkes, Walter Prikoszovich
  • Patent number: 7615609
    Abstract: Provided is a process for preparing cyclic somatostatin analogues and the linear intermediates used in this process.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: November 10, 2009
    Assignee: Novartis AG
    Inventors: Heribert Hellstern, Werner Pachinger, Walter Prikoszovich, Bernhard Wietfeld
  • Publication number: 20080312456
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: August 25, 2008
    Publication date: December 18, 2008
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Patent number: 7449587
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: November 11, 2008
    Assignee: Novartis AG
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Publication number: 20080207921
    Abstract: The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren.
    Type: Application
    Filed: June 6, 2006
    Publication date: August 28, 2008
    Inventors: Stuart John Mickel, Gottfried Sedelmeier, Hans Hirt, Frank Schafer, Michael Foulkes, Walter Prikoszovich
  • Publication number: 20080021225
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: August 16, 2007
    Publication date: January 24, 2008
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Patent number: 7294722
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: November 13, 2007
    Assignee: Novartis AG
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Publication number: 20060258838
    Abstract: Provided is a process for preparing cyclic somatostatin analogues and the linear intermediates used in this process.
    Type: Application
    Filed: August 6, 2004
    Publication date: November 16, 2006
    Inventors: Heribert Hellstern, Werner Pachinger, Walter Prikoszovich, Bernhard Wietfeld
  • Publication number: 20060189814
    Abstract: The present invention relates to processes for preparing peptides and to intermediates involved in such processes, e.g. a process for preparing a compound of formula VIII wherein R12 and R13 are as defined herein.
    Type: Application
    Filed: December 11, 2003
    Publication date: August 24, 2006
    Inventors: Bernhard Wietfeld, Walter Prikoszovich, Bernhard Erb, Werner Pachinger
  • Publication number: 20050025835
    Abstract: A polylactide in a purified state, which meets the requirements of the colour strengths of reference solutions B2-B9 of the brown colour test of the European Pharmacopoeia, 2nd Edition (1980) part I, Section V, 6.2 and containing one or more metals in cationic form, the metal ion(s) having a concentration of at most 10 ppm. The polylactide is especially suitable for use as microparticles or implants, and contains preferably a hydrophilic drug, like octreotide or a lipophilic drug like bromocriptine.
    Type: Application
    Filed: August 19, 2004
    Publication date: February 3, 2005
    Inventor: Walter Prikoszovich
  • Publication number: 20020098238
    Abstract: A polylactide in a purified state, which meets the requirements of
    Type: Application
    Filed: January 22, 2002
    Publication date: July 25, 2002
    Inventor: Walter Prikoszovich
  • Patent number: 6353030
    Abstract: A polylactide in a purified state, which meets the requirements of the color strengths of reference solutions B2-B9 of the brown color test of the European Pharmacopoeia, 2nd Edition (1980) part I, Section V, 6.2 and containing one or more metals in cationic form, the metal ion(s) having a concentration of at most 10 ppm. The polylactide is especially suitable for use as microparticles or implants, and contains preferably a hydrophilic drug, like octreotide or a lipophilic drug like bromocriptine.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: March 5, 2002
    Assignee: Novartis AG
    Inventor: Walter Prikoszovich
  • Patent number: 5656721
    Abstract: The present invention provides a sugar derivative of a biologically active peptide, which derivative has a prolonged duration of action when compared to the non-sugar modified peptide, and contains at least on one of the amino acid units a sugar residue which is attached to an amino group thereof by a coupling other than a direct N-glycosidic bond, and additionally, when it is a condensation product of a carboxyl group containing sugar and a peptide with less than 8 amino acid units, by a coupling other than a direct amide bond.
    Type: Grant
    Filed: July 7, 1994
    Date of Patent: August 12, 1997
    Assignee: Sandoz Ltd.
    Inventors: Rainer Albert, Wilfried Bauer, Francois Cardinaux, Monika Mergler, Janos Pless, Walter Prikoszovich
  • Patent number: 4801739
    Abstract: A product of an oligomer derived from glycolic acid and/or lactic acid, the oligomer having a molecular weight of from 500 to 10,000, the free carboxylic acid group of the oligomer being at least partially in the form of an amide with an amino acid or an ester with a sterol may be used as a matrix material for depot forms, containing pharmacologically active agents.
    Type: Grant
    Filed: December 16, 1983
    Date of Patent: January 31, 1989
    Assignee: Sandoz Ltd.
    Inventors: Joachim Franz, Walter Prikoszovich, Zdenek Brich