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).
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Publication number: 20110288053Abstract: 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: ApplicationFiled: July 20, 2011Publication date: November 24, 2011Applicant: 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
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Patent number: 8022083Abstract: 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: GrantFiled: July 1, 2008Date of Patent: September 20, 2011Assignee: 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
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Patent number: 7772159Abstract: 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: GrantFiled: July 20, 2004Date of Patent: August 10, 2010Assignee: The Trustees of the University of PennsylvaniaInventors: Amos B. Smith, III, Hu Liu, Hiroyuki Ikumura, Ralph F. Hirschmann
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Patent number: 7645747Abstract: 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: GrantFiled: October 25, 2005Date of Patent: January 12, 2010Assignee: 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
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Publication number: 20090275535Abstract: 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: ApplicationFiled: July 1, 2008Publication date: November 5, 2009Inventors: 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
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Patent number: 7432261Abstract: 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: GrantFiled: April 26, 2004Date of Patent: October 7, 2008Assignee: 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
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Patent number: 7429565Abstract: 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: GrantFiled: April 26, 2004Date of Patent: September 30, 2008Assignee: 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
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Patent number: 6891046Abstract: 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: GrantFiled: April 25, 2001Date of Patent: May 10, 2005Inventors: Amos B. Smith, III, Ralph F. Hirschmann, Hu Liu, Hiroyuki Ikumura
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Patent number: 6455570Abstract: 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: GrantFiled: October 9, 2001Date of Patent: September 24, 2002Assignee: The Trustees of the University of PennsylvaniaInventors: Amos B. Smith, III, Ralph F. Hirschmann, Thomas Nittoli, Paul Sprengeler
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Publication number: 20020133027Abstract: 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: ApplicationFiled: April 25, 2001Publication date: September 19, 2002Inventors: Amos B. Smith, Ralph F. Hirschmann, Hu Liu, Hiroyuki Ikumura
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Publication number: 20020123635Abstract: A compound of the formula 1Type: ApplicationFiled: October 9, 2001Publication date: September 5, 2002Inventors: Amos B. Smith, Ralph F. Hirschmann, Thomas Nittoli, Paul Sprengeler
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Patent number: 6034247Abstract: Synthetic methods for pyrrolinone-based compounds are provided. Such compounds mimic or inhibit the biological and/or chemical activity of peptides.Type: GrantFiled: April 11, 1997Date of Patent: March 7, 2000Assignee: The Trustees of the University of PennsylvaniaInventors: Amos B. Smith, III, Ralph F. Hirschmann, Paul A. Sprengeler, Andrew B. Benowitz, David A. Favor
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Patent number: 6030942Abstract: 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: GrantFiled: March 17, 1998Date of Patent: February 29, 2000Assignee: The Trustees of the University of PennsylvaniaInventors: Barry S. Cooperman, Ralph F. Hirschmann, Amos B. Smith, III, Paul Laub, Setsuya Sasho, Paul A. Sprengeler, Bari A. Barwis, Alison Fisher, Shrikumar Nair
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Patent number: 6001960Abstract: 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: GrantFiled: December 23, 1997Date of Patent: December 14, 1999Assignee: The Trustees of the University of PennsylvaniaInventors: Ralph F. Hirschmann, Rolando A. Spanevello, Ruth F. Nutt
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Patent number: 5965694Abstract: 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: GrantFiled: November 16, 1994Date of Patent: October 12, 1999Assignee: The Trustees Of The University Of PennsylvaniaInventors: Ralph F. Hirschmann, Rolando A. Spanevello
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Patent number: 5886046Abstract: 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: GrantFiled: January 19, 1996Date of Patent: March 23, 1999Assignee: The Trustees of the University of PennsylvaniaInventors: Ralph F. Hirschmann, Amos B. Smith, III, Paul Sprengeler, Wenqing Yao, Paul Anderson
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Patent number: 5811512Abstract: 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: GrantFiled: January 19, 1996Date of Patent: September 22, 1998Assignee: The Trustees of the University of PennsylvaniaInventors: Ralph F. Hirschmann, Paul Sprengeler, Wenqing Yao
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Patent number: 5770732Abstract: 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: GrantFiled: August 2, 1994Date of Patent: June 23, 1998Assignee: The Trustees of the University of PennsylvaniaInventors: Ralph F. Hirschmann, Amos B. Smith, III, Paul Sprengeler, Ryan C. Holcomb, Terence Keenan, John L. Wood, Mark Guzman, Alexander Pasternak
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Patent number: 5700905Abstract: 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: GrantFiled: November 14, 1994Date of Patent: December 23, 1997Assignee: The Trustees of the University of PennsylvaniaInventors: Ralph F. Hirschmann, Rolando A. Spanevello, Ruth F. Nutt
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Patent number: 5612339Abstract: 2-Hydroxy-3-aminopropylsulfonamides are provided along with methods for synthesizing and using such compounds, and chemical intermediates employed in the synthetic methods.Type: GrantFiled: January 17, 1995Date of Patent: March 18, 1997Assignee: Trustees Of The University Of PennsylvaniaInventors: Paul Sprengeler, Amos B. Smith, III, Ralph F. Hirschmann, Akihisa Yokoyama