Patent · US Active

Buoy suspension fractionation system

US7806276B2 · kind B2 · utility

84Cited by
328References
20Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 11, 2008
Grant dateOct 5, 2010
Priority date
Expiry dateApr 11, 2028

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01L2400/0409
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A separator that uses centrifugation to fractionate a suspension such as blood comprises a separation container and a buoy. The buoy is carried in the separation container and has a tuned density that is configured to reach an equilibrium position in a suspension. The guide surface is carried on the buoy upper surface and is inclined to an accumulation position near a buoy perimeter. The buoy suspension fractionation system can be used in a method of isolating a fraction from a suspension, and in a method for re-suspending particulates for withdrawal.

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