Patent · US Expired

Optically active biological particle distinguishing apparatus

US4796995A · kind A · utility

21Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 1987
Grant dateJan 10, 1989
Priority date
Expiry dateSep 2, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/4792
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The disclosure is directed to organic particle sorting and identification. High frequency pulses of circularly polarized light, alternating between left and right, intersect a fast moving stream of organic particles. Circular intensity differential scattering and linear intensity differential scattering are monitored to uniquely identify a variety of organic particles.

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