Patents by Inventor Christian SPRECHER

Christian SPRECHER 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).

  • Processes for the manufacture of macrocyclic depsipeptides and new intermediates
    Patent number: 9278997
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: March 8, 2016
    Assignee: NOVARTIS AG
    Inventors: Murat Acemoglu, Heribert Hellstern, Felix Kollmer, John Lopez, Robert Schreiber, Christian Sprecher, Hans Stettler
  • ALDEHYDE ACETAL BASED PROCESSES FOR THE MANUFACTURE OF MACROCYCLIC DEPSIPEPTIDES AND NEW INTERMEDIATES
    Publication number: 20150141615
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I employing an aldehyde acetal intermediate, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Application
    Filed: January 14, 2015
    Publication date: May 21, 2015
    Applicant: NOVARTIS AG
    Inventors: Murat ACEMOGLU, Heribert HELLSTERN, Bernard RISS, Christian SPRECHER
  • Aldehyde acetal based processes for the manufacture of macrocyclic depsipeptides and new intermediates
    Patent number: 8987413
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I employing an aldehyde acetal intermediate, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: March 24, 2015
    Assignee: Novartis AG
    Inventors: Murat Acemoglu, Heribert Hellstern, Bernard Riss, Christian Sprecher
  • ALDEHYDE ACETAL BASED PROCESSES FOR THE MANUFACTURE OF MACROCYCLIC DEPSIPEPTIDES AND NEW INTERMEDIATES
    Publication number: 20140100353
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I employing an aldehyde acetal intermediate, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Application
    Filed: October 1, 2013
    Publication date: April 10, 2014
    Applicant: NOVARTIS AG
    Inventors: Murat ACEMOGLU, Heribert HELLSTERN, Bernard RISS, Christian SPRECHER
  • Processes for the Manufacture of Macrocyclic Depsipeptides and New Intermediates
    Publication number: 20140080995
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Application
    Filed: November 18, 2013
    Publication date: March 20, 2014
    Applicant: NOVARTIS AG
    Inventors: Murat Acemoglu, Heribert Hellstern, Felix Kollmer, John Lopez, Robert Schreiber, Christian Sprecher, Hans Stettler
  • Processes for the manufacture of macrocyclic depsipeptides and new intermediates
    Patent number: 8614289
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: December 24, 2013
    Assignee: Novartis AG
    Inventors: Murat Acemoglu, Heribert Hellstern, Felix Kollmer, John Lopez, Robert Schreiber, Christian Sprecher, Hans Stettler
  • Processes for the Manufacture of Macrocyclic Depsipeptides and New Intermediates
    Publication number: 20120277406
    Abstract: The invention relates to a method or process for the chemical manufacture of depsipeptides of the formula I, wherein the symbols have the meaning defined in the description, to new intermediates and their manufacture, as well as related invention embodiments.
    Type: Application
    Filed: April 18, 2012
    Publication date: November 1, 2012
    Applicant: NOVARTIS AG
    Inventors: Murat ACEMOGLU, Heribert HELLSTERN, Felix KOLLMER, John LOPEZ, Robert SCHREIBER, Christian SPRECHER, Hans STETTLER