1. A pharmaceutical preparation for oral administration essentially comprising a multiplicity of small pellets consisting essentially of the following components: (a) polyvinylpyrrolidone; (b) a substantially water-insoluble agent meltin...
1. A compressed pharmaceutical preparation for timecontrolled oral administration consisting essentially of the following components: polyvinylpyrrolidone,...
A slow release formulation to be administered to humans or animals, comprising primary granules which contain an active ingredient and are in a secondary matrix of a water soluble/dispersible slow release material, the granules themselve...
A slow release formulation to be administered to humans or animals, comprising primary granules which contain an active ingredient and are in a secondary matrix of a water soluble/dispersible slow release material, the granules themselve...
A process for the preparation of matrix-type tablets with retarded liberation of the active agent. The liberation of the active agent from the tablets takes place at a speed that has been adjusted precisely in advance. In the granulation...
A process for the preparation of matrix-type tablets with retarded liberation of the active agent. The liberation of the active agent from the tablets take...
The present invention provides a pharmaceutical composition for controlled release of 4-(2-hydroxy-3-isopropylamino-propoxy) indole in the intestinal tract...
Delayed action pharmaceutical tablets are prepared from admixtures of active ingredient with talc, ethyl cellulose and magnesium stearate tableting lubricant, with twice as much talc present as ethyl cellulose.
A carrier system for a drug which allows the sustained and prolonged release of the drug which is comprised of (i) a porous carrier material which is insoluble or only slightly soluble in the body, which is in compacted form or powder fo...
A slow release formulation to be administered to humans or animals, comprising primary granules (1) which contain an active ingredient and are in a secondary matrix (2) of a water soluble/ dispersible slow release material, the granules ...
United States Patent COMPRESSIBLE SUSTAINED RELEASE PHARMA- CEUTICAL TABLET LIPID-COLLOIDAL SILICA GEL MATRIX FRAGMENT GRANULES Irwin Lippmann, Bon Air-Midlothian, Va., assignor to A. H. Robins Company, Inc., Richmond, Va., a corporation...
