Patents by Inventor Bernhard Wietfeld

Bernhard Wietfeld 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: 11786498
    Abstract: The invention relates to polymorphic forms of the calcium salt of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester. The calcium salt of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester is useful in the treatment of various conditions and disorders responsive to the inhibition of neutral endopeptidases.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: October 17, 2023
    Assignee: Novartis AG
    Inventors: David Hook, Bin Hu, Florian Karl Kleinbeck, Ulrich Meier, Sibylle Mueller, Jean-Paul Mutz, Jan Schlomach, Paul Allen Sutton, Liladhar Murlidhar Waykole, Bernhard Wietfeld
  • Patent number: 11434192
    Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 6, 2022
    Assignee: Novartis AG
    Inventors: Florian Karl Kleinbeck-Riniker, Benjamin Martin, Gerhard Penn, Francesco Venturoni, Thierry Schlama, Thomas Ruch, Thomas Allmendinger, Bernhard Wietfeld, Paolo Filipponi
  • Publication number: 20190308927
    Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 10, 2019
    Inventors: Florian Karl KLEINBECK-RINIKER, Benjamin MARTIN, Gerhard PENN, Francesco VENTURONI, Thierry SCHLAMA, Thomas RUCH, Thomas ALLMENDINGER, Bernhard WIETFELD, Paolo FILIPPONI
  • Patent number: 10377697
    Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: August 13, 2019
    Assignee: Novartis AG
    Inventors: Florian Karl Kleinbeck-Riniker, Benjamin Martin, Gerhard Penn, Francesco Venturoni, Thierry Schlama, Thomas Ruch, Thomas Allmendinger, Bernhard Wietfeld, Paolo Filipponi
  • Publication number: 20180354889
    Abstract: The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril. It further relates to new intermediate compounds and their use for said new chemical synthesis route.
    Type: Application
    Filed: December 8, 2016
    Publication date: December 13, 2018
    Inventors: Florian Karl KLEINBECK-RINIKER, Benjamin MARTIN, Gerhard PENN, Francesco VENTURONI, Thierry SCHLAMA, Thomas RUCH, Thomas ALLMENDINGER, Bernhard WIETFELD, Paolo FILIPPONI
  • Patent number: 9206116
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: December 8, 2015
    Assignee: NOVARTIS AG
    Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
  • Publication number: 20150218223
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Application
    Filed: April 8, 2015
    Publication date: August 6, 2015
    Applicant: Novartis AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Publication number: 20150166468
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 18, 2015
    Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
  • Patent number: 9035021
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: May 19, 2015
    Assignee: Novartis AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Patent number: 8993785
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: March 31, 2015
    Assignee: Novartis AG
    Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
  • Patent number: 8946481
    Abstract: The invention relates to a process for producing a compound according to formula (i) or salt thereof, wherein R1 and R1? are independently hydrogen or an amine protecting group and R2 is a carboxyl group or an ester group, comprising reacting a compound according to formula (ii) or salt thereof, wherein R1, R1? and R2 are defined as above, with hydrogen in the presence of a transition metal catalyst and a chiral ligand, wherein the transition metal is selected from group 7, 8 or 9 of the periodic table. Furthermore, the invention relates to products obtainable by said process and to their use in the production of NEP inhibitors. Moreover, the invention relates to the use of transition metal catalyst in the preparation of NEP inhibitors or prodrugs thereof.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: February 3, 2015
    Assignee: Novartis AG
    Inventors: David Hook, Bernhard Wietfeld, Matthias Lotz
  • Publication number: 20140249320
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Application
    Filed: March 25, 2014
    Publication date: September 4, 2014
    Inventors: David Hook, Thomas Ruch, Bernard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murlidhar Waykole
  • Patent number: 8822637
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O-)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: September 2, 2014
    Assignee: Novartis AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Patent number: 8716495
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: May 6, 2014
    Assignee: Novartis AG
    Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M Waykole
  • Publication number: 20120142916
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 7, 2012
    Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar Murtidhar Waykole
  • Patent number: 8115016
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: February 14, 2012
    Assignee: Novartis AG
    Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M Waykole
  • Publication number: 20110172157
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Application
    Filed: March 16, 2011
    Publication date: July 14, 2011
    Applicant: NOVARTIS AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Publication number: 20110166320
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Application
    Filed: March 16, 2011
    Publication date: July 7, 2011
    Applicant: NOVARTIS AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Patent number: 7939625
    Abstract: The invention provides cyclo[{4-(NH2—C2H4—NH—CO—O—)Pro}-Phg-DTrp-Lys-Tyr(4-Benzyl)-Phe], optionally in protected form, or a pharmaceutically acceptable salt or complex thereof, which has interesting pharmaceutical properties.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: May 10, 2011
    Assignee: Novartis AG
    Inventors: Rainer Albert, Wilfried Bauer, David Bodmer, Christian Bruns, Ivo Felner, Heribert Hellstern, Ian Lewis, Mark Meisenbach, Gisbert Weckbecker, Bernhard Wietfeld
  • Publication number: 20100113801
    Abstract: The present invention relates to pyrrolidin-2-ones according to the formula (1), or salts thereof, wherein R1 is hydrogen or a nitrogen protecting group, methods for their preparation and their use in the preparation of NEP-inhibitors, particularly in the preparation of N-(3-carboxyl-1-oxopropyl)-(4S)-(p-phenylphenylmethyl)-4-amino-(2R)-methyl butanoic acid ethyl ester or salt thereof.
    Type: Application
    Filed: January 10, 2008
    Publication date: May 6, 2010
    Inventors: David Hook, Thomas Ruch, Bernhard Riss, Bernhard Wietfeld, Gottfried Sedelmeier, Matthias Napp, Markus Bänziger, Steven Hawker, Lech Ciszewski, Liladhar M. Waykole