Liquid purification or separation – Processes – Separating
Patent
1991-01-02
1993-01-12
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
210249, 422101, 422104, B01D 29085, B01D 906
Patent
active
051787792
ABSTRACT:
Method and device for protecting against chemical spills due to breakage of disk filters use to filter chemicals comprising (A) a base having an upper surface with at least one vial well or groove adapted to allow sample vials to be inserted and to support said vials during a filter operation, said base having a front vertical shield portion at least as high as the top of the sample vials when said vials are inserted; (B) a rack having a rear side with at least one slot, each of said slots adapted to slidably engage the disk filter portion of a filter syringe apparatus and to prevent said disk filter from bursting during a filter operation, each of said slots positioned in said rack so that when said rack is fit on said base, every male portion of every disk filter which is engaged in one of said slots fits in a corresponding sample vial inserted in the corresponding vial well or groove.
REFERENCES:
patent: 4284603 (1981-08-01), Karom
patent: 4346057 (1982-08-01), Bowser
patent: 4642220 (1987-02-01), Bjorkman
patent: 4832842 (1989-05-01), Limb
patent: 4925630 (1990-05-01), Grunwald
patent: 4963493 (1990-10-01), Daftsios
Gironda Kevin F.
Letterio Francis T.
Dawson Robert A.
Fein Michael B.
Millard W. L.
Rohm and Haas Company
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