Patent · US Expired

Solid phase extraction plate

US5906796A · kind A · utility

17Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1997
Grant dateMay 25, 1999
Priority date
Expiry dateAug 4, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/2575
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A solid phase extraction plate includes a unitary tray having a plurality of spaced-apart discrete upstanding chambers molded therein with each chamber having a top opening and a bottom nozzle with downwardly tapering sidewalls extending between the top opening and the bottom nozzle. A plurality of solid phase extraction disks are provided and one secured in each of the plurality of chambers without the use of frits or retainer rings utilizing instead tapered sidewalls of the chamber for enabling a press fit of the disks therein.

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