Patents by Inventor Ashok Rampal

Ashok Rampal 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).

  • Extended release formulation of etodolac
    Patent number: 6586005
    Abstract: A sustained release formulation of etodolac for once daily administration is described.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: July 1, 2003
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Rajeev S. Raghuvanshi, Ashok Rampal, Himadri Sen
  • Controlled release tablets of metformin
    Publication number: 20030104059
    Abstract: Controlled-release metformin and processes for their preparation, using a combination of non-ionic and anionic hydrophilic polymers, wherein the total hydrophilic polymer concentration is at least about 16% by weight of the composition.
    Type: Application
    Filed: November 6, 2002
    Publication date: June 5, 2003
    Inventors: Manish Chawla, Rajeev S. Raghuvanshi, Ashok Rampal
  • Stable oral pharmaceutical composition containing omeprazole
    Publication number: 20020128293
    Abstract: The present invention relates to a stable oral pharmaceutical composition comprising omeprazole as the active ingredient and a carrier which acts as a stabilizing excipient. The invention also relates to a process for making the pharmaceutical composition.
    Type: Application
    Filed: October 9, 2001
    Publication date: September 12, 2002
    Inventors: Ashok Rampal, Pratik Kumar, Girish Kumar Jain, Dilipkumar Thacharodi
  • Controlled release formulations for oral administration
    Publication number: 20020119192
    Abstract: A pharmaceutical composition in the form of an oral controlled release solid dosage form comprising an effective amount of drug, or its pharmaceutically acceptable salts. It also relates to a pharmaceutically composition that is suitable for once-a-day dosing regimen.
    Type: Application
    Filed: September 21, 2001
    Publication date: August 29, 2002
    Inventors: Narayanan Badri Vishwanathan, Rajeev S. Raghuvanshi, Gour Mukherji, Ashok Rampal
  • Controlled release formulation of erythromycin or a derivative thereof
    Publication number: 20020081332
    Abstract: The present invention relates to a controlled release pharmaceutical composition, suitable for once daily administration, of erythromycin or a derivative thereof and the process for its preparation. More preferably, it relates to a controlled release pharmaceutical composition of clarithromycin suitable for once daily administration.
    Type: Application
    Filed: August 29, 2001
    Publication date: June 27, 2002
    Inventors: Ashok Rampal, Rajeev S. Raghuvanshi, Manoj Kumar
  • Process for the preparation of a controlled drug delivery system containing pseudoephedrine and a long acting antihistamine
    Patent number: 6267986
    Abstract: This invention relates to a process for the preparation of a controlled release pharmaceutical composition comprising two discrete zones wherein the first discrete zone comprises therapeutically effective amount of pseudoephedrine or its pharmaceutically acceptable salt as active ingredient and the second discrete zone comprises a therapeutically effective amount of a long-acting antihistamine selected from the group consisting of loratadine, azatidine, fexofenadine, terfenadine, cetirizine, astemizole, and levocabastine, or their pharmaceutically acceptable salt as active ingredient.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: July 31, 2001
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Girish Kumar Jain, Ashok Rampal, Himadri Sen