Apparatus with desiccant chamber and method of using

US6274304A · kind A · utility

Assignee

• Roche Diagnostics GMBH · DE

Inventors

• Herbert Buschek · Weilheim, DE
• Michael Kuehnl · Mannheim, DE
• Roland Ihrig · Lampertheim, DE
• Klaus Erler · Pöcking, DE
• Maria Cully · Krailling, DE

Key dates

• Filing date: Feb 14, 1994
• Grant date: Aug 14, 2001
• Expiry date: Feb 14, 2014

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01L3/50825
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

There is provided a system for the preparation of liquids from at least one solid and at least one liquid phase. The system is composed of a vessel in which the solid or solids are located and a drying chamber which is connected to the vessel or can be connected to the vessel. The drying chamber is separated from the vessel interior by a separating means which is permeable to water vapour but is impermeable to liquids. The system is suitable for the production of liquids from moisture-sensitive solids. These solids can be stored in the vessel since the air humidity in the interior is lowered by the desiccant. The preparation of the liquid by addition of a liquid phase can be carried out in one and the same vessel since the desiccant is separated from the vessel interior.