Patent · US Expired

Process for the production of test strips by casting method

US4837043A · kind A · utility

3Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 1987
Grant dateJun 6, 1989
Priority date
Expiry dateApr 6, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/525
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Process for the production of a test devices using extruder casting machines or cascade casting machines is disclosed in which reagent zones are produced on a common surface with remaining portion of test device such that reagent zone is protected by being in the same plane as a portion of the test device. The process permits application of reagent material to matrix areas without interaction of the reagents or the loss of reagents due to extraction during the process of forming the test device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.