Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2006-12-19
2006-12-19
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Treatment by living organism
C210S616000, C210S617000, C210S170050
Reexamination Certificate
active
07150833
ABSTRACT:
Highly porous, beads are comprised of a polymer and a second compound mixed into it. The second compound, an amendment, is either a nutrient or a compound having high affinity to one or more nutrients. A plurality of these beads may be exposed to an aqueous environment, usually a body of water. Bacteria and other microorganisms rapidly enter and remain within the nutrient filled interior space of the beads. Any of a number of various detection methods may then be used to characterize, detect and/or identify the microorganisms.
REFERENCES:
patent: 4530763 (1985-07-01), Clyde et al.
patent: 5211848 (1993-05-01), Friday et al.
patent: 5486292 (1996-01-01), Bair et al.
patent: 6908556 (2005-06-01), Sublette
Barry Chester T.
Head Johnson & Kachigian
The University of Tulsa
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