Ampule with integral filter

Details Ampule with integral filter Ampule with integral filter

1997-09-12

1999-11-09

Le, Long V.

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

436174, 422 49, 422 81, 422101, 422102, 422103, B01L 1100

Patent

active

059812958

ABSTRACT:
A storage device containing a quantity of a liquid chemical substance which is used as a reactant in a chemical process, the device being composed of: a closed container holding the quantity of substance and having a wall provided with an inlet opening and an outlet opening; an inlet valve coupled to said inlet opening, the inlet valve being closeable to block said inlet opening; an outlet valve coupled to the outlet opening, the outlet valve being closeable to block the outlet opening; and a filter interposed between the quantity of liquid and said outlet valve.

REFERENCES:
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patent: 4026673 (1977-05-01), Russo
patent: 4436674 (1984-03-01), McMenamin
patent: 5156823 (1992-10-01), Hori et al.
patent: 5215717 (1993-06-01), Conant et al.
patent: 5268150 (1993-12-01), Burkitt
patent: 5288325 (1994-02-01), Gomi
patent: 5520858 (1996-05-01), Yamaguchi et al.
patent: 5639427 (1997-06-01), Chenevert et al.
patent: 5659130 (1997-08-01), Chung et al.
patent: 5709840 (1998-01-01), Juranas
Search Report issued in PCT/US98/18694 filed Sep. 8, 1998.

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