Patent · US Expired

Quick release coated preparation

US5578322A · kind A · utility

19Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1995
Grant dateNov 26, 1996
Priority date
Expiry dateJun 2, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/5031
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A coated preparation prepared by coating drug particles having a disagreeable taste with a mixture comprising a hydrophobic substance with a melting point of 45.degree. to 90.degree. C. and a surfactant with a lower melting point and heat treating the coating layer at a temperature ranging from around the melting point of the surfactant up to the melting point of the hydrophobic substance to modify the nature of the coating layer. This preparation can release the drug quickly which sufficiently suppressing the disagreeable taste.

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