CA2105661A1 - A device and a method for separating liquid samples - Google Patents

A device and a method for separating liquid samples

Info

Publication number
CA2105661A1
CA2105661A1 CA002105661A CA2105661A CA2105661A1 CA 2105661 A1 CA2105661 A1 CA 2105661A1 CA 002105661 A CA002105661 A CA 002105661A CA 2105661 A CA2105661 A CA 2105661A CA 2105661 A1 CA2105661 A1 CA 2105661A1
Authority
CA
Canada
Prior art keywords
sample container
liquid samples
separating liquid
liquid
bottom wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002105661A
Other languages
French (fr)
Other versions
CA2105661C (en
Inventor
James E. Aysta
Metin Colpan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
James E. Aysta
Metin Colpan
Minnesota Mining And Manufacturing Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by James E. Aysta, Metin Colpan, Minnesota Mining And Manufacturing Company filed Critical James E. Aysta
Publication of CA2105661A1 publication Critical patent/CA2105661A1/en
Application granted granted Critical
Publication of CA2105661C publication Critical patent/CA2105661C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5025—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures for parallel transport of multiple samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5025—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures for parallel transport of multiple samples
    • B01L3/50255—Multi-well filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
    • B01L3/50855—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates using modular assemblies of strips or of individual wells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
    • Y10T436/25375—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.]
    • Y10T436/255—Liberation or purification of sample or separation of material from a sample [e.g., filtering, centrifuging, etc.] including use of a solid sorbent, semipermeable membrane, or liquid extraction

Abstract

A device (10) for separating liquid samples has a sample container (12), bottom wall (20) of which has an outlet opening (22) provided therein. The outlet opening (22) is joined by an outlet spout (24) extending in the axial direction of the sample container (12). On bottom wall (20) there is a separation layer (28). Below sample container (12), a collecting container (32) is arranged abutting sample container (12) such that an exchange of air between the interior of the collecting chamber (32) and the environment is possible, yet an escape of liquid is largely inhibited. The contact surface between collecting chamber (32) and sample container (12) and end (26) of the outlet spout (24) through which the liquid is discharged, are axially spaced apart.
CA002105661A 1991-03-19 1992-02-18 A device and a method for separating liquid samples Expired - Fee Related CA2105661C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/671,448 US5264184A (en) 1991-03-19 1991-03-19 Device and a method for separating liquid samples
US07/671,448 1991-03-19
PCT/US1992/001087 WO1992016294A1 (en) 1991-03-19 1992-02-18 A device and a method for separating liquid samples

Publications (2)

Publication Number Publication Date
CA2105661A1 true CA2105661A1 (en) 1992-09-20
CA2105661C CA2105661C (en) 2004-10-05

Family

ID=24694545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002105661A Expired - Fee Related CA2105661C (en) 1991-03-19 1992-02-18 A device and a method for separating liquid samples

Country Status (6)

Country Link
US (3) US5264184A (en)
EP (1) EP0576602B1 (en)
JP (1) JP2807090B2 (en)
CA (1) CA2105661C (en)
DE (3) DE4127276C2 (en)
WO (1) WO1992016294A1 (en)

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US5264184A (en) 1993-11-23
EP0576602B1 (en) 1995-11-15
US5620663A (en) 1997-04-15
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DE4127276C2 (en) 1993-10-07
US5464541A (en) 1995-11-07

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