Patents by Inventor Ashok C. Shah

Ashok C. Shah 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).

  • Grooved tablet for fractional dosing of sustained release medication
    Patent number: 4824677
    Abstract: A divisible matrix table structure with or without coating, having controlled and delayed release of the active substance, and having first and second body parts, each having top and bottom facing surfaces joined together at a perimeter of an edge means. A breakable connecting structure is provided for joining together the first and second body parts. The breakable connecting structure is formed by depressions in the top and bottom facing surfaces of the first and second body parts. Each of the depressions is directly opposite the other and have first and second score surfaces facing each other.
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: April 25, 1989
    Assignee: The Unjohn Company
    Inventors: Ashok C. Shah, Nancy J. Britten, Joseph N. Badalamenti
  • Stable pharmaceutical formulations
    Patent number: 4215117
    Abstract: Stable formulations of ketazolam containing 15 to 100 mg of ketazolam are prepared by admixing the ketazolam with either calcium lactate and a powdered edible vegetable fat or fatty oil, Sterotex.RTM., or with calcium carboxymethylcellulose and Sterotex.RTM..
    Type: Grant
    Filed: May 26, 1978
    Date of Patent: July 29, 1980
    Assignee: The Upjohn Company
    Inventors: Ashok C. Shah, Edward P. Strzelinski
  • Portable indirect lighting fixture
    Patent number: D270483
    Type: Grant
    Filed: April 20, 1981
    Date of Patent: September 6, 1983
    Assignee: Slater Electric Inc.
    Inventors: Robert C. Gardner, Ashok C. Shah