Patents by Inventor Ahmed Mamai

Ahmed Mamai 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: 8722727
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with' their pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and method of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: May 13, 2014
    Assignee: Seynix, Inc.
    Inventors: Mark L. Greenlee, Robert Wilkening, James Apgar, Donald Sperbeck, Kenneth J. Wildonger, Dongfang Meng, Dann L. Parker, Jr., Ahmed Mamai
  • Patent number: 8222255
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with their, pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and methods of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: July 17, 2012
    Assignees: Merck Sharp & Dohme Corp., Scynexis, Inc.
    Inventors: James M. Balkovec, Phieng Siliphaivanh, Frances A. Bouffard, Roland A. Bouffard, legal representative, Michael R. Peel, Weiming Fan, Ahmed Mamai, Sarah Dimick Gray
  • Patent number: 8188085
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with their pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and methods of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: May 29, 2012
    Assignees: Merck Sharp & Dohme Corp., Seynexis, Inc.
    Inventors: Mark L. Greenlee, Robert Wilkening, James Apgar, Donald Sperbeck, Kenneth J. Wildonger, Dongfang Meng, Dann L. Parker, Jr., Gregory J. Pacofsky, Brian H. Heasley, Ahmed Mamai, Kingsley Nelson
  • Publication number: 20110224228
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with' their pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and method of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Application
    Filed: August 10, 2009
    Publication date: September 15, 2011
    Applicants: Merck Sharp & Dohme Corp., Scynexis, Inc.
    Inventors: Mark L Greenlee, Robert Wilkening, James Apgar, Donald Sperbeck, Kenneth J. Wildonger, Dongfang Meng, Dann L. Parker, JR., Ahmed Mamai
  • Publication number: 20110172225
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with their, pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and methods of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Application
    Filed: September 25, 2008
    Publication date: July 14, 2011
    Applicants: Merck Sharp & Dohme Corp., Scynexis, Inc.
    Inventors: James M. Balkovec, Phieng Siliphaivanh, Frances A. Bouffard, Roland A. Bouffard, Michael R. Peel, Weiming Fan, Ahmed Mamai, Sarah Dimick Gray
  • Patent number: 7863465
    Abstract: The present invention relates to novel enfumafungin derivatives of formula I and pharmaceutically acceptable salts thereof, their synthesis, and their use as inhibitors of (1,3)-?-D-glucan synthase. The present compounds and pharmaceutically acceptable salts thereof, as well as pharmaceutical compositions comprising the present compounds and pharmaceutically acceptable salts thereof, are useful for treating or preventing antifungal infections and associated diseases and conditions.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: January 4, 2011
    Assignees: Merck Sharp & Dohme Corp., Scynexis, Inc.
    Inventors: James M. Balkovec, Frances Aileen Bouffard, Bruno Tse, James Dropinski, Dongfang Meng, Mark L. Greenlee, Michael Peel, Weiming Fan, Ahmed Mamai, Hao Liu, Keqaing Li
  • Publication number: 20100113439
    Abstract: Novel derivatives of enfumafungin are disclosed herein, along with their pharmaceutically acceptable salts, hydrates and prodrugs. Also disclosed are compositions comprising such compounds, methods of preparing such compounds and methods of using such compounds as antifungal agents and/or inhibitors of (1,3)-?-D-glucan synthase. The disclosed compounds, their pharmaceutically acceptable salts, hydrates and prodrugs, as well as compositions comprising such compounds, salts, hydrates and prodrugs, are useful for treating and/or preventing fungal infections and associated diseases and conditions.
    Type: Application
    Filed: August 7, 2009
    Publication date: May 6, 2010
    Applicants: Merck & Co., Inc., Scynexis, Inc.
    Inventors: Mark L. Greenlee, Robert Wilkening, James Apgar, Donald Sperbeck, Kenneth J. Wildonger, Dongfang Meng, Dann L. Parker, JR., Gregory J. Pacofsky, Brian H. Heasley, Ahmed Mamai, Kingsley Nelson
  • Publication number: 20090312300
    Abstract: Disclosed are cyclosporine derivatives in which the 3-Sarcosine carbon and 5-Valine nitrogen are each substituted by a non-hydrogen substituent, and their use as pharmaceuticals, in particular for the treatment of hepatitis C virus.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 17, 2009
    Inventors: Keqiang Li, Ahmed Mamai, Michael Robert Peel
  • Publication number: 20090306033
    Abstract: Compounds are disclosed of general formula (I): wherein A, B and R1 are as defined in the description, and their use as pharmaceuticals.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 10, 2009
    Inventors: Keqiang Li, Ahmed Mamai, Michael Robert Peel
  • Publication number: 20080009504
    Abstract: The present invention relates to novel enfumafungin derivatives of formula I and pharmaceutically acceptable salts thereof, their synthesis, and their use as inhibitors of (1,3)-?-D-glucan synthase. The present compounds and pharmaceutically acceptable salts thereof, as well as pharmaceutical compositions comprising the present compounds and pharmaceutically acceptable salts thereof, are useful for treating or preventing antifungal infections and associated diseases and conditions.
    Type: Application
    Filed: March 29, 2007
    Publication date: January 10, 2008
    Inventors: James Balkovec, Frances Bouffard, Bruno Tse, James Dropinski, Dongfang Meng, Mark Greenlee, Michael Peel, Weiming Fan, Ahmed Mamai, Hao Liu, Keqaing Li
  • Patent number: 6602903
    Abstract: The invention relates to compounds of formula (I): and medicinal products containing the same are useful in treating or in preventing melatoninergic disorders.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: August 5, 2003
    Assignee: Les Laboratories Servier
    Inventors: Gérald Guillaumet, Marie-Claude Viaud, Ahmed Mamai, Isabelle Charton, Pierre Renard, Caroline Bennejean, Béatrice Guardiola, Philippe Daubos
  • Publication number: 20020052400
    Abstract: The invention relates to compounds of formula (I): 1
    Type: Application
    Filed: August 28, 2001
    Publication date: May 2, 2002
    Applicant: ADIR ET COMPAGNIE
    Inventors: Gerald Guillaumet, Marie-Claude Viaud, Ahmed Mamai, Isabelle Charton, Pierre Renard, Caroline Bennejean, Beatrice Guardiola, Philippe Daubos
  • Patent number: 6313160
    Abstract: The invention relates to compounds of formula (I): wherein: R1, R2 and R3 are as defined in the description, X is as defined in the description, Y represents an oxygen atom, a sulphur atom, a C(H)q group, SO or SO2, n is equal to from 0 to 5, A represents a NR5R6 group, and medicinal products containing the same which are useful in treating or in preventing melatoninergic disorders.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: November 6, 2001
    Assignee: Adir et Compagnie
    Inventors: Gérald Guillaumet, Marie-Claude Viaud, Ahmed Mamai, Isabelle Charton, Pierre Renard, Caroline Bennejean, Béatrice Guardiola, Philippe Daubos
  • Patent number: 5919814
    Abstract: The invention relates to compound of general formula (I): ##STR1## wherein: Z represents O or CH.sub.2n is from 0 to 4R, X and Y are as defined in the description, andA represents ##STR2## wherein R.sup.1, R.sup.2, R.sup.6, R.sup.7 and T' are as defined in the description,and medicinal products containing the same are useful in treating or in preventing melatoninergic disorders.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: July 6, 1999
    Assignee: Adir et Compagnie
    Inventors: Gerald Guillaumet, Isabelle Charton, Ahmed Mamai, Pierre Renard, Bruno Pfeiffer, Philippe Delagrange, Beatrice Guardiola