Patents by Inventor Ramesh C. Jhawar

Ramesh C. Jhawar 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).

  • Method for the preparation of a theophylline sustained release pharmaceutical composition and the composition prepared thereby
    Patent number: 5026709
    Abstract: A method for the preparation of a sustained release pharmaceutical composition comprising forming a fluidized ring of said particles and contacting said particles maintained suspended in said ring with a liquid composition containing a pharmaceutically active material and an alkali-soluble material.
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: June 25, 1991
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Richard J. Harwood, Gunvant N. Mehta, Ramesh C. Jhawar, Liang-Lii Huang, Wayne M. Grim, Shun P. Li