Patent · US Expired

Isolation of ultra small particles

US5503723A · kind A · utility

47Cited by
24References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 1995
Grant dateApr 2, 1996
Priority date
Expiry dateFeb 8, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/901
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention is a method and apparatus for further reducing the size of nanoparticles. Nanoparticles are defined as having an effective average particle size of less than about 400 nm. The present invention separates the nanoparticles further using electric fields.

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