Patents by Inventor Violeta Marmon

Violeta Marmon 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).

  • Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of Levetiracetam and analogues
    Patent number: 7563912
    Abstract: The present invention relates to an improved process for the preparation of (S)-(?)-?-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1 is methyl or ethyl; and R2 is C?2#191 -C?4#191 alkyl, C?2#191-C?4#191 alkenyl or C?2#191-C?4#191 alkynyl, optionally substituted by one or more halogen, and their preparation processes.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: July 21, 2009
    Assignee: UCB Pharma, S.A.
    Inventors: Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon, Emile Cavoy
  • Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of levetiracetam and analogues
    Publication number: 20070142647
    Abstract: The present invention relates to an improved process for the preparation of (S)-(-)-?-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1 is methyl or ethyl; and R2 is C2-C4 alkyl, C2-C4 alkenyl or C2-C4 alkynyl, optionally substituted by one or more halogen, and their preparation processes.
    Type: Application
    Filed: October 2, 2006
    Publication date: June 21, 2007
    Inventors: Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon, Emile Cavoy
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Patent number: 7217826
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing ?-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-?-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: May 15, 2007
    Assignee: UCB Farchim S.A.
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of Levetiracetam and analogues
    Publication number: 20060258734
    Abstract: The present invention relates to an improved process for the preparation of (S)-(?)-?-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1 is methyl or ethyl; and R2 is C?2#191 -C?4#191 alkyl, C?2#191-C?4#191 alkenyl or C?2#191-C?4#191 alkynyl, optionally substituted by one or more halogen, and their preparation processes.
    Type: Application
    Filed: July 18, 2006
    Publication date: November 16, 2006
    Inventors: Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon, Emile Cavoy
  • Oxopyrrolidine compounds, preparation of said compounds and their use in the manufacturing of levetiracetam and analogues
    Patent number: 7122682
    Abstract: The present invention relates to an improved process for the preparation of (S)-(?)-?-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: October 17, 2006
    Assignee: UCB, S.A.
    Inventors: Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon, Emile Cavoy
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Patent number: 6969770
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing ?-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-?-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: November 29, 2005
    Assignee: U.C.B. Farchim S.A.
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Publication number: 20050159475
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing ?-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-?-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Application
    Filed: January 4, 2005
    Publication date: July 21, 2005
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Patent number: 6858740
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing ?-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-?-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: February 22, 2005
    Assignee: UCB Farchim S.A.
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • Oxopyrrolidine compounds, preparations of said compounds and their use in the manufacturing of levetiracetam and analogues
    Publication number: 20040204476
    Abstract: The present invention relates to an improved process for the preparation of (S)-(−)-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1 is methyl or ethyl; and R2 is C?2#19 1-C?4#191 alkyl, C?2#191 -C?4#191 alkenyl or C?2#191-C?4#191 alkynyl, optionally substituted by one or more halogen, and their preparation processes.
    Type: Application
    Filed: February 10, 2004
    Publication date: October 14, 2004
    Inventors: Celal Ates, John Surtees, Anne-Catherine Burteau, Violeta Marmon, Emile Cavoy
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Publication number: 20040192757
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Application
    Filed: April 15, 2004
    Publication date: September 30, 2004
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • 2-OXO-1-PYRROLIDINE DERIVATIVES, PROCESS FOR PREPARING THEM AND THEIR USES
    Publication number: 20040092576
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Application
    Filed: July 1, 2003
    Publication date: May 13, 2004
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Patent number: 6713635
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: March 30, 2004
    Assignee: UCB Farchim S.A.
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann
  • 2-oxo-1-pyrrolidine derivatives, process for preparing them and their uses
    Publication number: 20030040631
    Abstract: The invention concerns 2-oxo-1-pyrrolidine derivatives and a process for preparing them and their uses. The invention also concerns a process for preparing &agr;-ethyl-2-oxo-1-pyrrolidine acetamide derivatives from unsaturated 2-oxo-1-pyrrolidine derivatives. Particularly the invention concerns novel intermediates and their use in methods for the preparation of S-&agr;-ethyl-2-oxo-1-pyrrolidine acetamide.
    Type: Application
    Filed: August 20, 2002
    Publication date: February 27, 2003
    Inventors: John Surtees, Violeta Marmon, Edmond Differding, Vincent Zimmermann