Patents by Inventor Usha Ramesh

Usha Ramesh 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: 7566732
    Abstract: This invention describes compounds and pharmaceutical compositions useful as inhibitors of ubiquitination. The compounds and compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. In particular, the compounds and compositions are useful for treating diseases caused by viruses such as poxviruses and retroviruses. The invention further provides for methods of treating smallpox, Herpes virus and HIV infection in patients using the compounds and compositions of the invention.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: July 28, 2009
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Usha Ramesh, Sarkiz D. Issakani, Gary Charles Look
  • Publication number: 20090137644
    Abstract: This invention describes compounds and pharmaceutical compositions useful as inhibitors of ubiquitination. The compounds and compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. In particular, the compounds and compositions are useful for treating diseases caused by viruses such as poxviruses and retroviruses. The invention further provides for methods of treating smallpox, Herpes virus and HIV infection in patients using the compounds and compositions of the invention.
    Type: Application
    Filed: October 28, 2004
    Publication date: May 28, 2009
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Usha Ramesh, Sarkiz D. Issakani, Gary Charles Look
  • Publication number: 20080039629
    Abstract: This invention describes compounds and pharmaceutical compositions useful as ubiquitin agent inhibitors. The compounds and pharmaceutical compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. The invention also comprises the use of the compounds and pharmaceutical compositions of the invention for the treatment of conditions that require inhibition of ubiquitination. Furthermore, the invention comprises methods of inhibiting ubiquitination in a cell comprising contacting a cell in which inhibition of ubiquitination is desired with a pharmaceutical composition according to the invention.
    Type: Application
    Filed: August 30, 2007
    Publication date: February 14, 2008
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Usha Ramesh, Rajinder Singh, Donald Payan, Francesco Parlati, Raymond Lowe, Gary Look
  • Publication number: 20060276520
    Abstract: This invention describes rhodanine derivatives and pharmaceutical compositions useful as inhibitors of ubiquitination. The compounds and compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. In particular, the compounds and compositions are useful for treating cell proliferative diseases such as cancers.
    Type: Application
    Filed: November 13, 2003
    Publication date: December 7, 2006
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Usha Ramesh, Dane Goff, Sarkiz Issakani, Jianing Huang, Donald Payan, Jeffrey Clough
  • Publication number: 20060160869
    Abstract: This invention describes compounds and pharmaceutical compositions useful as ubiquitin agent inhibitors, particularly ubiquitin ligase inhibitors. The compounds and pharmaceutical compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved, such as signal transduction pathways. The invention also comprises the use of the compounds and pharmaceutical compositions of the invention for the treatment of conditions that require inhibition of ubiquitination. Furthermore, the invention comprises methods of inhibiting ubiquitination in a cell comprising contacting a cell in which inhibition of ubiquitination is desired with a compound or pharmaceutical composition according to the invention. Particularly, the compounds and pharmaceutical compositions are useful to inhibit the ubiquitin ligase activity of MDM2.
    Type: Application
    Filed: January 5, 2006
    Publication date: July 20, 2006
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Usha Ramesh, Sarkiz Issakani, Jianing Huang, Taisei Kinoshita, Tarikere Gururaja
  • Publication number: 20050282818
    Abstract: This invention describes compounds and pharmaceutical compositions useful as ubiquitin agent inhibitors, particularly ubiquitin ligase inhibitors. The compounds and pharmaceutical compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved, such as signal transduction pathways. The invention also comprises the use of the compounds and pharmaceutical compositions of the invention for the treatment of conditions that require inhibition of ubiquitination. Furthermore, the invention comprises methods of inhibiting ubiquitination in a cell comprising contacting a cell in which inhibition of ubiquitination is desired with a compound or pharmaceutical composition according to the invention. Particularly, the compounds and pharmaceutical compositions are useful to inhibit the ubiquitin ligase activity of TRAF6.
    Type: Application
    Filed: June 22, 2005
    Publication date: December 22, 2005
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Usha Ramesh, Gary Look, Jianing Huang, Rajinder Singh, Richard Mattis
  • Publication number: 20050130974
    Abstract: This invention describes compounds and pharmaceutical compositions useful as ubiquitin agent inhibitors. The compounds and pharmaceutical compositions of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. The invention also comprises the use of the compounds and pharmaceutical compositions of the invention for the treatment of conditions that require inhibition of ubiquitination. Furthermore, the invention comprises methods of inhibiting ubiquitination in a cell comprising contacting a cell in which inhibition of ubiquitination is desired with a pharmaceutical composition according to the invention.
    Type: Application
    Filed: October 18, 2004
    Publication date: June 16, 2005
    Inventors: Usha Ramesh, Rajinder Singh, Donald Payan, Francesco Parlati, Raymond Lowe, Gary Look
  • Publication number: 20050009871
    Abstract: This invention describes compounds useful as ubiquitin ligase inhibitors. The compounds of the invention are useful as inhibitors of the biochemical pathways of organisms in which ubiquitination is involved. The invention also provides for pharmaceutical compositions comprising the compounds described in the invention for the treatment of conditions that require inhibition of ubiquitin ligases. Furthermore, the invention provides for methods of inhibiting ubiquitination in a cell comprising contacting a cell in which inhibition of ubiquitination is desired with a compound according to the invention.
    Type: Application
    Filed: June 1, 2004
    Publication date: January 13, 2005
    Inventors: Usha Ramesh, Gary Look, Rajinder Singh, Sarkiz Issakani