Patent · US Expired

Flow through assay apparatus and process

US5167924A · kind A · utility

21Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 22, 1990
Grant dateDec 1, 1992
Priority date
Expiry dateMay 22, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/25375
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Assay apparatus is provided which includes a filter such as a porous membrane, a volume that can contain an absorbent and flexible means for reducing the volume in order to effect passage of liquid sample through the membrane and into the volume. The assay apparatus can be produced by a continuous manufacturing process.

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