Quick release coated preparation
US5578322A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Jun 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.