Process for producing active substances from unused or discarded devices for the transdermal administration

US5869652A · kind A · utility

Assignee

• LTS Lohmann Therapie-Systeme AG · DE

Inventors

• Bodo Asmussen · Bendorf, DE
• Hans-Rainer Hoffmann · Neuwied, DE
• Walter Muller · Neuwied, DE

Key dates

• Filing date: Jan 2, 1998
• Grant date: Feb 9, 1999
• Expiry date: Jan 2, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B09B2101/68
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

In a process for reprocessing devices for the transdermal application of active substances or their process waste, active substance-containing components are brought into solution and the active substances are recovered therefrom.