Coated microbubbles for treating an aquifer or soil formations

Liquid purification or separation – Processes – Including geographic feature

Reexamination Certificate

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Details

C210S759000, C210S760000, C210S763000, C210S908000, C210S909000, C405S128500, C405S129250

Reexamination Certificate

active

06984329

ABSTRACT:
A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member. The diffuser has a second elongated member having a second sidewall having a plurality of microscopic openings, the second member being disposed through the hollow region of the first member. The diffuser includes an end cap to seal a first end of the microporous diffuser and an inlet cap disposed at a second end of microporous diffuser for receiving inlet fittings.

REFERENCES:
patent: 5126111 (1992-06-01), Al-Ekabi et al.
patent: 5425598 (1995-06-01), Pennington
patent: 5620593 (1997-04-01), Stagner
patent: 5967230 (1999-10-01), Cooper et al.
patent: 6436285 (2002-08-01), Kerfoot
patent: 6447676 (2002-09-01), Kerfoot
patent: 6582611 (2003-06-01), Kerfoot
patent: 6780329 (2004-08-01), Kerfoot
patent: 0402158 (1990-12-01), None
patent: 0546335 (1993-06-01), None
patent: WO 98/21152 (1998-05-01), None

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