Patents by Inventor Rajesh Singh Karan

Rajesh Singh Karan 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).

  • Modified release composition for highly soluble drugs
    Patent number: 8268352
    Abstract: A novel modified release dosage form comprising of a high solubility active ingredient, which utilizes dual retard technique to effectively reduce the quantity of release controlling agents. Present invention can optionally comprise additionally another active ingredient as an immediate release form or modified release form. Present invention also relates to a process for preparing the said formulation.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: September 18, 2012
    Assignee: Torrent Pharmaceuticals Limited
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Nadkarni, Vinod Kumar Gupta
  • Dosage form for high dose-high solubility active ingredients that provides for immediate release and modified release of the active ingredients
    Patent number: 8263125
    Abstract: A dosage form comprising of a high dose, high solubility active ingredient as modified release and a low dose active ingredient as immediate release where the weight ratio of immediate release active ingredient and modified release active ingredient is from 1:10 to 1:15000 and the weight of modified release active ingredient per unit is from 500 mg to 1500 mg; a process for preparing the dosage form.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: September 11, 2012
    Assignee: Torrent Pharmaceuticals Limited
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Nadkarni, Vinod Kumar Gupta
  • Modified release composition of highly soluble drugs
    Patent number: 8216609
    Abstract: A novel modified release dosage form comprising of a high solubility active ingredient, which utilizes dual retard technique to effectively reduce the quantity of release controlling agents; a process for preparing the dosage form.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: July 10, 2012
    Assignee: Torrent Pharmaceuticals Limited
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Nadkarni, Vinod Kumar Gupta
  • Dosage form
    Patent number: 7985422
    Abstract: A dosage form comprising of a high dose, high solubility active ingredient as modified release and a low dose active ingredient as immediate release where the weight ratio of immediate release active ingredient and modified release active ingredient is from 1:10 to 1:15000 and the weight of modified release active ingredient per unit is from 500 mg to 1500 mg; a process for preparing the dosage form.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: July 26, 2011
    Assignee: Torrent Pharmaceuticals Limited
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Nadkarni, Vinod Kumar Gupta
  • Modified release composition of highly soluble drugs
    Patent number: 7976871
    Abstract: A novel modified release dosage form comprising of a high solubility active ingredient, which utilizes dual retard technique to effectively reduce the quantity of release controlling agents. Present invention can optionally comprise additionally another active ingredient as an immediate release form or modified release form. Present invention also relates to a process for preparing the said formulation.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: July 12, 2011
    Assignee: Torrent Pharmaceuticals Limited
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Nadkarni, Vinod Kumar Gupta
  • Novel drug delivery system
    Publication number: 20040096501
    Abstract: A novel modified release dosage form comprising of a high solubility active ingredient, which utilizes dual retard technique to effectively reduce the quantity of release controlling agents; a process for preparing the dosage form.
    Type: Application
    Filed: July 29, 2003
    Publication date: May 20, 2004
    Inventors: Navin Vaya, Rajesh Singh Karan, Sunil Sadanand Madkarni, Vinod Kumar Gupta