Patents by Inventor Pingwah Tang

Pingwah Tang 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: 8895777
    Abstract: The present invention provides delivery agent compounds, compositions containing delivery agent compounds and an active agent and methods for delivering active agents, such as biologically or chemically active agents.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: November 25, 2014
    Assignee: Emisphere Technologies Inc
    Inventors: Jun Liao, Pingwah Tang, David Gschneidner, Jonathan Maeyer
  • Patent number: 8541362
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: September 24, 2013
    Assignee: Emisphere Technologies, Inc.
    Inventors: Pingwah Tang, Steven Dinh, Jongbin Lee, Puchun Liu, Gabriela Mustata
  • Patent number: 8410309
    Abstract: Phenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: April 2, 2013
    Assignee: Emisphere Technologies, Inc.
    Inventors: Andrea Leone-Bay, Kelly Kraft, Destardi Moye-Sherman, David Gschneidner, Maria Aurora P. Boyd, Puchun Liu, Pingwah Tang, Jun Liao, John Smart, John J. Freeman, Jr.
  • Patent number: 8383852
    Abstract: Compounds comprising cyclic moiety and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: February 26, 2013
    Assignee: Emisphere Technologies, Inc.
    Inventors: Pingwah Tang, Steven Dinh
  • Patent number: 8273794
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: September 25, 2012
    Assignee: Emisphere Technologies, Inc.
    Inventors: Maria Isabel Gomez-Orellana, David Gschneidner, Andrea Leone-Bay, Destardi Moye-Sherman, Stephen V. Pusztay, Parshuram Rath, Pingwah Tang, John J. Weidner, Jianfeng Song
  • Patent number: 7951971
    Abstract: Phenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: May 31, 2011
    Assignee: Emisphere Technologies, Inc.
    Inventors: Andrea Leone-Bay, Kelly Kraft, Destardi Moye-Sherman, David Gscheidner, Maria Aurora P. Boyd, Puchun Liu, Pingwah Tang, Jun Liao, John Smart, John J. Freeman, Jr.
  • Patent number: 7744910
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 29, 2010
    Assignee: Emisphere Technologies, Inc.
    Inventors: David Gschneidner, Andrea Leone-Bay, Eric Wang, Lynn Errigo, Koc-Kan Ho, Jeffrey Bruce Press, Nai Fang Wang, Pingwah Tang
  • Publication number: 20100074861
    Abstract: Compounds comprising cyclic moiety and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: February 19, 2008
    Publication date: March 25, 2010
    Applicant: Emisphere Technologies, Inc.
    Inventors: Pingwah Tang, Steven Dinh
  • Publication number: 20100015088
    Abstract: The present invention provides delivery agent compounds, compositions containing delivery agent compounds and an active agent and methods for delivering active agents, such as biologically or chemically active agents.
    Type: Application
    Filed: August 29, 2007
    Publication date: January 21, 2010
    Applicant: Emisphere Technologies Inc.
    Inventors: Jun Liao, Pingwah Tang, David Gschneider, Jonathan Maeyer
  • Publication number: 20090220451
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: August 21, 2006
    Publication date: September 3, 2009
    Applicant: EMISPHERE TECHNOLOGIES, INC.
    Inventors: Pingwah Tang, Steven Dinh, Jongbin Lee, Puchun Liu, Gabriela Mustata
  • Publication number: 20080255250
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: May 16, 2005
    Publication date: October 16, 2008
    Applicant: Emisphere Technologies, Inc.
    Inventors: Maria Isabel Gomez-Orellana, David Gschneidner, Andrea Leone-Bay, Destardi Moye-Sherman, Stephen V. Pusztay, Parshuram Rath, Pingwah Tang, John J. Weidner, Jianfeng Song
  • Patent number: 7186414
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: March 6, 2007
    Assignee: Emisphere Technologies, Inc
    Inventors: David Gschneidner, Andrea Leone-Bay, Eric Wang, Lynn Errigo, Koc-Kan Ho, Jeffrey Bruce Press, Nai Fang Wang, Pingwah Tang
  • Publication number: 20070010422
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: September 13, 2006
    Publication date: January 11, 2007
    Applicant: Emisphere Technologies, Inc.
    Inventors: David Gschneidner, Andrea Leone-Bay, Eric Wang, Lynn Errigo, Koc-Kan Ho, Jeffrey Press, Nai Wang, Pingwah Tang
  • Publication number: 20060264513
    Abstract: Phenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: July 18, 2006
    Publication date: November 23, 2006
    Applicant: Emisphere Technologies, Inc.
    Inventors: Andrea Leone-Bay, Kelly Kraft, Destardi Moye-Sherman, David Gschneidner, Maria Boyd, Puchun Liu, Pingwah Tang, Jun Liao, John Smart, John Freeman
  • Patent number: 7138546
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: November 21, 2006
    Assignee: Emisphere Technologies, Inc.
    Inventor: Pingwah Tang
  • Patent number: 7129274
    Abstract: Phenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: October 31, 2006
    Assignee: Emisphere Technologies Inc.
    Inventors: Andrea Leone-Bay, Kelly Kraft, Destardi Moye-Sherman, David Gschneidner, Maria A. P. Boyd, Puchun Liu, Pingwah Tang, Jun Liao, John J. Freeman, Jr., John E. Smart
  • Patent number: 6991798
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: January 31, 2006
    Assignee: Emisphere Technologies, Inc.
    Inventors: David Gschneidner, Andrea Leone-Bay, Eric Wang, Lynn Errigo, Koc-Kan Ho, Jeffrey Bruce Press, Nai Fang Wang, Pingwah Tang
  • Publication number: 20050272638
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Application
    Filed: June 30, 2005
    Publication date: December 8, 2005
    Applicant: Emisphere Technologies, Inc.
    Inventors: David Gschneidner, Andrea Leone-Bay, Eric Wang, Lynn Errigo, Koc-Kan Ho, Jeffrey Press, Nai Wang, Pingwah Tang
  • Patent number: 6846844
    Abstract: Compounds and compositions for the delivery of active agents are provided. Methods of administration and preparation are provided as well.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: January 25, 2005
    Assignee: Emisphere Technologies, Inc.
    Inventor: Pingwah Tang
  • Patent number: RE48164
    Abstract: The present invention provides delivery agent compounds, compositions containing delivery agent compounds and an active agent and methods for delivering active agents, such as biologically or chemically active agents.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: August 18, 2020
    Assignee: EMISPHERE TECHNOLOGIES INC.
    Inventors: Jun Liao, Pingwah Tang, David Gschneidner, Jonathan Maeyer