Carrier matrix with dissolvably impregnated reagent

US5403706A · kind A · utility

Assignee

• Boehringer Mannheim GmbH · DE

Inventors

• Hans-Erich Wilk · Mannheim, DE
• Dieter Mangold · Frankenthal (Pfalz), DE
• Rolf Lerch · Ilvesheim, DE
• Joachim Steinbiss · Lorsch, DE

Key dates

• Filing date: Jul 20, 1989
• Grant date: Apr 4, 1995
• Expiry date: Jul 20, 2009

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S530/815
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A carrier matrix of polyvinyl alcohol-coated glass is dissolvably impregnated with reagent. The matrix is manufactured by slurrying glass fibers in an excess of water and polyvinyl alcohol and forming a layer, which is then dried and impregnated with reagent.