Fine screen and fine screen stack, their use and process for the manufacture of fine screens

US4655797A · kind A · utility

Assignees

• Kernforschungsanlage Lulich Gesellschaft mit beschrankter Haftung · DE
• Jochen Schoeller · DE

Inventors

• Nicolas Iniotakis · Jülich, DE
• Claus-Benedict von der Decken · Aachen, DE
• Werner Frohling · Düren, DE
• Jochen Schoeller · Bocholt, DE
• Hermann Grossman · Neuenbürg, DE

Key dates

• Filing date: Sep 10, 1984
• Grant date: Apr 7, 1987
• Expiry date: Sep 10, 2004

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2239/0471
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A fine mesh screen is coated with at least one metal, by galvanic or chemical deposition. Metals of the platinum group are especially advantageous. The mesh width may be as small as 0.1 micron or less. Several screens may be arranged in a stack and used to clean waste gases.