Transparent test strip system

US4824640A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Karlheinz Hildenbrand · Krefeld, DE
• Hans-Hagen von Dohren · Witten, DE
• Hermann Perrey · Krefeld, DE
• Klaus Wehling · Wuppertal, DE

Key dates

• Filing date: Oct 27, 1986
• Grant date: Apr 25, 1989
• Expiry date: Oct 27, 2006

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N21/77
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A transparent reagent carrier layers in analytical agents for dry chemical detection of constituents of aqueous sample solutions, the reagent carrier layer consisting of a water-soluble or water-swellable component and a film-forming component.