Patents by Inventor Hing Leung Sham

Hing Leung Sham 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: 20220153739
    Abstract: The present disclosure relates to novel opioid receptor modulator compounds. Pharmaceutical compositions comprising such buprenorphine analog compound are also disclosed, and the use of such compound in the treatment of visceral hyperalgesia, diarrhea-predominant irritable bowel syndrome, and short bowel syndrome. The opioid receptor modulator compounds of the disclosure include Compound D.
    Type: Application
    Filed: February 2, 2022
    Publication date: May 19, 2022
    Inventors: Xiaoqi CHEN, Hing Leung Sham
  • Patent number: 7968707
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: June 28, 2011
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Patent number: 7279582
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: October 9, 2007
    Assignee: Abbott Laboratories
    Inventors: Eric J. Stoner, Arthur J. Cooper, Lawrence Kolaczkowski, Ketan M. Patel, Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Daniel A. Dickman, Patricia A. Oliver, Jien-Heh J. Tien
  • Patent number: 6667404
    Abstract: A retroviral protease inhibiting compound of the formula: is disclosed.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: December 23, 2003
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Anthony R. Haight
  • Publication number: 20030195362
    Abstract: A retroviral protease inhibiting compound of the formula: 1
    Type: Application
    Filed: February 7, 2003
    Publication date: October 16, 2003
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Anthony R. Haight
  • Publication number: 20030100755
    Abstract: A compound of the formula: 1
    Type: Application
    Filed: October 25, 2002
    Publication date: May 29, 2003
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Patent number: 6472529
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: October 29, 2002
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Publication number: 20020004503
    Abstract: A compound of the formula: 1
    Type: Application
    Filed: April 18, 2001
    Publication date: January 10, 2002
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Patent number: 6313296
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: November 6, 2001
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Patent number: 6284767
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: September 4, 2001
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Dale J. Kempf, Xiaoqi Chen, David A. Betebenner, Thomas R. Herrin, Gondi N. Kumar, John M. Lipari, Laman Alani, Soumojeet Ghosh, Rong R. Gao, Dilip Kaul
  • Patent number: 6150530
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: November 21, 2000
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Anthony R. Haight
  • Patent number: 6017928
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: January 25, 2000
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Anthony R. Haight
  • Patent number: 5990135
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 23, 1999
    Assignee: Abbott Laboratories
    Inventors: Daniel W. Norbeck, Hing Leung Sham, Dale J. Kempf, Chen Zhao
  • Patent number: 5914332
    Abstract: A compound of the formula: ##STR1## is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: June 22, 1999
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner
  • Patent number: 5892052
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: April 6, 1999
    Assignee: Abbott Labortories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao
  • Patent number: 5886036
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: March 23, 1999
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao
  • Patent number: 5846987
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: December 8, 1998
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao
  • Patent number: 5696270
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: December 9, 1997
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao, Thomas J. Sowin, Daniel S. Reno, Anthony R. Haight
  • Patent number: 5679797
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: October 21, 1997
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao
  • Patent number: 5674882
    Abstract: A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: October 7, 1997
    Assignee: Abbott Laboratories
    Inventors: Dale J. Kempf, Daniel W. Norbeck, Hing Leung Sham, Chen Zhao