Method for forming a capillary column for filtering,...

Details Method for forming a capillary column for filtering,... Method for forming a capillary column for filtering,...

2004-06-12

2008-12-30

Hug, Eric (Department: 1791)

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

Reexamination Certificate

active

07469557

ABSTRACT:
The column according to the present invention provides greatly increased effective length and tortuosity, per unit length of column material, by providing a smooth or textured, tight radius helical channel or channels within a silica monolith. The capillary according to the present invention is useful in enabling fully automated massively parallel analyses, syntheses, separations and concentrations at reduced costs and higher speed as well as in immobilization, filtration, and miniaturization/acceleration/automation of classical instrumentation for practicality of general deployment in environmental threat monitoring and other applications.

REFERENCES:
patent: 3319403 (1967-05-01), Rose et al.
patent: 4049413 (1977-09-01), French
patent: 4116836 (1978-09-01), DeAngelis
patent: 4263030 (1981-04-01), Kobayashi et al.
patent: 5951731 (1999-09-01), Tsunetomo et al.

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