Patents by Inventor Ralph F. Hirschmann

Ralph F. Hirschmann 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: 20110288053
    Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: July 20, 2011
    Publication date: November 24, 2011
    Applicant: Gilead Sciences, Inc.
    Inventors: Constantine G. Boojamra, Carina Cannizzaro, James M. Chen, Xiaowu Chen, Aesop Cho, Lee S. Chong, Maria Fardis, Heolun Jin, Ralph F. Hirschmann, Alan X. Huang, Choung U. Kim, Thorsten Kirschberg, Christopher P. Lee, William A. Lee, Richard L. Mackman, David Y. Markevitch, David A. Oare, Vidya K. Prasad, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoothi Swaninathan, William J. Watkins, Jenneifer Zhang
  • Patent number: 8022083
    Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: September 20, 2011
    Assignee: Gilead Sciences, Inc.
    Inventors: Constantine G. Boojamra, Carina Cannizzaro, James M. Chen, Xiaowu Chen, Aesop Cho, Lee S. Chong, Maria Fardis, Haolun Jin, Ralph F. Hirschmann, Alan X. Huang, Choung U. Kim, Thorsten Kirschberg, Christopher P. Lee, William A. Lee, Richard L. Mackman, David Y. Markevitch, David A. Oare, Vidya K. Prasad, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoorthi Swaminathan, William J. Watkins, Jennifer R. Zhang
  • Patent number: 7772159
    Abstract: The invention provides a new process for the preparation of polypyrrolinones (I) of various sizes which have found to be useful peptidomimetics. One aspect of the invention is a new process utilizing ?-amino-?-substituted-valerolactones as synthons. A second aspect of the invention is a process for the synthesis of polypyrrolinones using solid-phase techniques.
    Type: Grant
    Filed: July 20, 2004
    Date of Patent: August 10, 2010
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Amos B. Smith, III, Hu Liu, Hiroyuki Ikumura, Ralph F. Hirschmann
  • Patent number: 7645747
    Abstract: The invention is related to phosphorus substituted therapeutic agents, compositions containing such phosphorus substituted agents, and therapeutic methods that include the administration of such phosphorus substituted agents, as well as to processes and intermediates useful for preparing such agents.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: January 12, 2010
    Assignee: Gilead Sciences, Inc.
    Inventors: Constantine G. Boojamra, Carina E. Cannizzaro, James M. Chen, Xiaowu Chen, Aesop Cho, Lee S. Chong, Manoj Desai, Maria Fardis, Craig S. Gibbs, Ralph F. Hirschmann, Alan X. Huang, Haolun Jin, Choung U. Kim, Thorsten A. Kirschberg, Steven Krawczyk, Christopher P. Lee, William A. Lee, Kuei-Ying Lin, Richard L. Mackman, David Y. Markevitch, Peter H. Nelson, David A. Oare, Vidya K. Prasad, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoorthi Swaminathan, William J. Watkins, Jennifer R. Zhang, Lijun Zhang
  • Publication number: 20090275535
    Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: July 1, 2008
    Publication date: November 5, 2009
    Inventors: Constantine G. Boojamra, Carina Cannizzaro, James M. Chen, Xiaowu Chen, Aesop Cho, Lee S. Chong, Maria Fardis, Haolun Jin, Ralph F. Hirschmann, Alan X. Huang, Choung U. Kim, Thorsten Kirschberg, Christopher P. Lee, William A. Lee, Richard L. Mackman, David Y. Markevitch, David A. Oare, Vidya K. Prasad, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoorthi Swaminathan, William J. Watkins, Jennifer R. Zhang
  • Patent number: 7432261
    Abstract: The invention is related to phosphorus substituted anti-inflammatory compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: October 7, 2008
    Assignee: Gilead Sciences, Inc.
    Inventors: Carina Cannizzaro, James Chen, Xiaowu Chen, Aesop Cho, Lee Chong, Maria Fardis, Craig Gibbs, Ralph F. Hirschmann, Thorsten Kirschberg, Christopher P. Lee, Kuei-Ying Lin, Richard L. Mackman, Peter H. Nelson, David A. Oare, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoorthi Swaminathan, William J. Watkins, Jennifer R. Zhang
  • Patent number: 7429565
    Abstract: The invention is related to phosphorus substituted compounds with antiviral activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: September 30, 2008
    Assignee: Gilead Sciences, Inc.
    Inventors: Constantine G. Boojamra, Carina Cannizzaro, James M. Chen, Xiaowu Chen, Aesop Cho, Lee S. Chong, Maria Fardis, Haolun Jin, Ralph F. Hirschmann, Alan X. Huang, Choung U. Kim, Thorsten Kirschberg, Christopher P. Lee, William A. Lee, Richard L. Mackman, David Y. Markevitch, David A. Oare, Vidya K. Prasad, Hyung-Jung Pyun, Adrian S. Ray, Rosemarie Sherlock, Sundaramoorthi Swaminathan, William J. Watkins, Jennifer R. Zhang
  • Patent number: 6891046
    Abstract: The invention provides a new process for the preparation of polypyrrolinones (I) of various sizes which have found to be useful peptidomimetics. One aspect of the invention is a new process utilizing ?-amino-?-substituted-valerolactones as synthons. A second aspect of the invention is a process for the synthesis of polypyrrolinones using solid-phase techniques.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: May 10, 2005
    Inventors: Amos B. Smith, III, Ralph F. Hirschmann, Hu Liu, Hiroyuki Ikumura
  • Patent number: 6455570
    Abstract: A compound of the formula wherein: R1, R2, R3, R4, R5, R6 are as defined herein, useful for the inhibition of inhibition of matrix metalloproteases (MMPs)and for treating conditions mediated by elevated levels of MMPs such as osteoarthritis, rheumatoid arthritis, septic arthritis, periodontal disease, gingivitis, solid tumor growth and tumor invasion by secondary metastasis, corneal ulceration, dermal ulceration, epidermolysis bullosa, neural degeneration, multiple sclerosis and surgical wound healing.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: September 24, 2002
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Amos B. Smith, III, Ralph F. Hirschmann, Thomas Nittoli, Paul Sprengeler
  • Publication number: 20020133027
    Abstract: The invention provides a new process for the preparation of polypyrrolinones (I) of various sizes which have found to be useful peptidomimetics. One aspect of the invention is a new process utilizing &agr;-amino-&agr;-substituted-valerolactones as synthons. A second aspect of the invention is a process for the synthesis of polypyrrolinones using solid-phase techniques.
    Type: Application
    Filed: April 25, 2001
    Publication date: September 19, 2002
    Inventors: Amos B. Smith, Ralph F. Hirschmann, Hu Liu, Hiroyuki Ikumura
  • Publication number: 20020123635
    Abstract: A compound of the formula 1
    Type: Application
    Filed: October 9, 2001
    Publication date: September 5, 2002
    Inventors: Amos B. Smith, Ralph F. Hirschmann, Thomas Nittoli, Paul Sprengeler
  • Patent number: 6034247
    Abstract: Synthetic methods for pyrrolinone-based compounds are provided. Such compounds mimic or inhibit the biological and/or chemical activity of peptides.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: March 7, 2000
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Amos B. Smith, III, Ralph F. Hirschmann, Paul A. Sprengeler, Andrew B. Benowitz, David A. Favor
  • Patent number: 6030942
    Abstract: The invention relates to compositions which are useful for inhibiting ribonucleotide reductase enzymes, including the mammalian ribonucleotide reductase enzyme. The compositions include, but are not limited to, linear peptides, cyclic peptides, peptide analogs, and peptidomimetics. Methods of using the compositions of the invention to treat cancer and viral and bacterial infections are disclosed.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: February 29, 2000
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Barry S. Cooperman, Ralph F. Hirschmann, Amos B. Smith, III, Paul Laub, Setsuya Sasho, Paul A. Sprengeler, Bari A. Barwis, Alison Fisher, Shrikumar Nair
  • Patent number: 6001960
    Abstract: Relatively small cyclic peptides that mimic the biological and/or chemical activity of larger cyclic peptide such as somatostatin, as well as synthetic methods therefor. In certain embodiments, cyclic peptides of the invention have structure: ##STR1## wherein R.sub.NP1 is H, an amine protecting group, or a solid support and R.sub.NP2 is H or an amine protecting group.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: December 14, 1999
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Ralph F. Hirschmann, Rolando A. Spanevello, Ruth F. Nutt
  • Patent number: 5965694
    Abstract: Relatively small cyclic peptides that mimic the biological and/or chemical activity of larger cyclic peptide such as somatostatin, as well as synthetic methods therefor. In certain embodiments, cyclic peptides of the invention have structure: ##STR1## wherein R.sub.NP1 is H, an amine protecting group, or a solid support and R.sub.NP2 is H or an amine protecting group.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: October 12, 1999
    Assignee: The Trustees Of The University Of Pennsylvania
    Inventors: Ralph F. Hirschmann, Rolando A. Spanevello
  • Patent number: 5886046
    Abstract: This invention relates to chemical compounds that contain adjacent carbonyl groups, which effectively inhibit the biological, chemical, and/or physical properties of enzymes and other medicinally-significant proteins. In particular, the invention relates to dicarbonyl compounds that are capable of acting as enzyme inhibitors, including irreversible inhibitors of HIV-1 protease.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: March 23, 1999
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Ralph F. Hirschmann, Amos B. Smith, III, Paul Sprengeler, Wenqing Yao, Paul Anderson
  • Patent number: 5811512
    Abstract: Compounds are provided which are crossreactive with peptides such as those which bind G-protein-linked receptors, together with preparative and therapeutic methods therefor.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: September 22, 1998
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Ralph F. Hirschmann, Paul Sprengeler, Wenqing Yao
  • Patent number: 5770732
    Abstract: Novel pyrrolinone-based compounds mimic or inhibit the biological and/or chemical activity of peptides, including peptide .beta.-strand conformations. Certain compounds contain functionalized pyrrolinone units in place of one or more amino acids of a target peptide.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: June 23, 1998
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Ralph F. Hirschmann, Amos B. Smith, III, Paul Sprengeler, Ryan C. Holcomb, Terence Keenan, John L. Wood, Mark Guzman, Alexander Pasternak
  • Patent number: 5700905
    Abstract: Relatively small cyclic peptides that mimic the biological and/or chemical activity of larger cyclic peptide such as somatostatin, as well as synthetic methods therefor. In certain embodiments, cyclic peptides of the invention have structure: ##STR1## wherein R.sub.NP1 is H, an amine protecting group, or a solid support and R.sub.NP2 is H or an amine protecting group.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: December 23, 1997
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Ralph F. Hirschmann, Rolando A. Spanevello, Ruth F. Nutt
  • Patent number: 5612339
    Abstract: 2-Hydroxy-3-aminopropylsulfonamides are provided along with methods for synthesizing and using such compounds, and chemical intermediates employed in the synthetic methods.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: March 18, 1997
    Assignee: Trustees Of The University Of Pennsylvania
    Inventors: Paul Sprengeler, Amos B. Smith, III, Ralph F. Hirschmann, Akihisa Yokoyama