04167558 is referenced by 95 patents and cites 17 patents.

A novel sustained release formulation for the preparation of tablets for oral administration is disclosed. The formulation is hydrodynamically balanced to be buoyant in gastric juice thereby remaining in the stomach for an extended period of time.

Title
Novel sustained release tablet formulations
Application Number
559107
Publication Number
4167558
Application Date
November 6, 1978
Publication Date
September 11, 1979
Inventor
Jacques L Tossounian
Pine Brook
NJ, US
Prabhakar R Sheth
Pearl River
NY, US
Agent
R Hain Swope
George M Gould
Jon S Saxe
Assignee
Hoffmann La Roche
NJ, US
IPC
A61K 31/60
A61K 9/26
A61K 9/22
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