Patents by Inventor Hailin Zeng

Hailin Zeng 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).

  • Optionally substituted 3-amino-4-(thioxo or imino)-4,5-dihydro-2H-pyrazolo [3,4-d]pyrimidin-6(7H)-ones
    Patent number: 8697710
    Abstract: The present invention relates to optionally substituted 3-amino-4,5-dihydro-(1H or 2H)-pyrazolo[3,4-d]pyrimidin-6(7H)-ones and their 4-imino or 4-thioxo derivatives, e.g., 3-amino-4-(thioxo or imino)-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-ones, 3-amino-4-(thioxo or imino)-4,5-dihydro-2H-pyrazolo[3,4-d]pyrimidin-6(7H)-ones, 3-amino-4-(thioxo or imino)-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6(7H)-ones, processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: April 15, 2014
    Assignee: Intra-Cellular Therapies, Inc.
    Inventors: Peng Li, Jun Zhao, Hailin Zeng, Lawrence Wennogle
  • Organic compounds
    Patent number: 8633180
    Abstract: Optionally substituted 4,5,7,8-tetrahydro-(optionally 4-thioxo or 4-imino)-(1H or 2H)-imidazo[1,2-a]pyrazolo[4,3-e]pyrimidine or 4,5,7,8,9-pentahydro-(optionally 4-thioxo or 4-imino)-(1H or 2H)-pyrimido[1,2-a]pyrazolo[4,3-e]pyrimidine compounds or Compounds of Formula (I), processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: January 21, 2014
    Assignee: Intra-Cellular Therapies, Inc.
    Inventors: Peng Li, Jun Zhao, Hailin Zeng, Lawrence Wennogle
  • Organic compounds
    Patent number: 8536159
    Abstract: Optionally substituted 3-(thio, sulfonyl or sulfonyl)-7,8-dihydro-(1H or 2H)-imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5H)-one or a substituted 3-(thio, sulfinyl or sulfonyl)-7,8,9-trihydro-(1H or 2H)-pyrimido[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5H)-one compounds or Compounds of Formula (I), processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: September 17, 2013
    Assignee: Intra-Cellular Therapies, Inc.
    Inventors: Peng Li, Jun Zhao, Hailin Zeng, Lawrence Wennogle
  • ORGANIC COMPOUNDS
    Publication number: 20110245214
    Abstract: Optionally substituted 3-(thio, sulfonyl or sulfonyl)-7,8-dihydro-(1H or 2H)-imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5H)-one or a substituted 3-(thio, sulfinyl or sulfonyl)-7,8,9-trihydro-(1H or 2H)-pyrimido[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5H)-one compounds or Compounds of Formula (I), processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.
    Type: Application
    Filed: December 7, 2009
    Publication date: October 6, 2011
    Inventors: Peng Li, Jun Zhao, Hailin Zeng, Lawrence Wennogle
  • ORGANIC COMPOUNDS
    Publication number: 20110237561
    Abstract: Optionally substituted 4,5,7,8-tetrahydro-(optionally 4-oxo, 4-thioxo or 4-imino)-2H-imidazo[1,2-a]pyrrolo[3,4-e]pyrimidine or 4,5,7,8,9-pentahydro-(optionally 4-oxo, 4-thioxo or 4-imino)-2H-pyrimido[1,2-a]pyrrolo[3,4-e]pyrimidine compounds or Compounds of Formula (I), processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: December 7, 2009
    Publication date: September 29, 2011
    Inventors: Peng Li, Jun Zhao, Hailin Zeng, Lawrence Wennogle