Patent · US Expired

In situ biofilm coupon device

US5641642A · kind A · utility

5Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1995
Grant dateJun 24, 1997
Priority date
Expiry dateSep 26, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/1866
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus for characterization of in-situ microbial biofilm populations in subsurface groundwater. The device permits biofilm-forming microorganisms to adhere to packing material while emplaced in a groundwater strata, so that the packing material can be later analyzed for quantity and type of microorganisms, growth rate, and nutrient requirements.

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