Patents by Inventor Prabhakar Ranchhordas Sheth

Prabhakar Ranchhordas Sheth 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).

  • Pharmaceutical lubricants
    Patent number: 3957662
    Abstract: Improved pharmaceutical lubricants comprising finely divided magnesium or calcium stearate coated with a surfactant are disclosed. The improved lubricants greatly enhance disintegration and dissolution time of tablets and capsules prepared therefrom without loss in essential pharmaceutical lubricant properties.
    Type: Grant
    Filed: August 8, 1972
    Date of Patent: May 18, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Surendra Anandrao Sangekar, Prabhakar Ranchhordas Sheth