Delayed-release form for pharmaceutical active compounds

US5693340A · kind A · utility

Assignee

• BASF SE

Inventors

• Klaus Harth · Altleiningen, DE
• Hartmut Hibst · Schriesheim, DE
• Juergen Dembowski · North Duke Street, DE
• Reinhard Spengler · Frankenthal (Pfalz), DE
• Ernst Flaig · Heidelberg, DE

Key dates

• Filing date: Oct 8, 1996
• Grant date: Dec 2, 1997
• Expiry date: Oct 8, 2016

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/5089
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A novel delayed-release form for pharmaceutical active compounds, characterized by a core containing the active compound and a diffusion-inhibiting, adhesive coating layer having a thickness in the range from 0.01 to 10 .mu.m, consisting of a chemical network which has been applied to the support in a plasma-assisted chemical deposition process, and a process for its production are described.