Patent · US Expired

Controlled release therapeutic system for liquid pharmaceutical formulations

US5510119A · kind A · utility

14Cited by
11References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1995
Grant dateApr 23, 1996
Priority date
Expiry dateFeb 22, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/192
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed is a controlled release pharmaceutical dosage form, including: (a) microgranules of a pharmaceutical and an excipient; (b) a plurality of polymeric lipidic and wax-like coatings applied to the microgranules, the coated microgranules having dimensions which allow suspension of the coated microgranules in a liquid administration vehicle; and (c) a liquid administration vehicle for the coated microgranules, the vehicle including an effective amount of the pharmaceutical in a form immediately available upon ingestion. A process for the preparation of the controlled release therapeutic system is also described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.