Patent · US Expired

Method for testing for the presence of pathogens

US4233404A · kind A · utility

2Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 1979
Grant dateNov 11, 1980
Priority date
Expiry dateNov 9, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/803
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

Water and air are tested for biological agents by concentrating the biological substances at an air/water interface which permits natural cell multiplication during the concentrating process.

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