US5620663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support plate accommodating and being integrally connected with a plurality of adjacent sample containers
Assignee: Qiagen GmbH
•
Filing: 1995-11-03
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Granted: 1997-04-15
•
Expires: 2015-11-03
Abstract
Abstract The support plate accommodating and being integrally connected with a plurality of adjacent sample containers is disclosed. Each sample container is suitable to accommodate a liquid sample to be separated into components and has an inlet opening and an outlet opening between which a separation layer is arranged. The sample container has a bottom wall in which the outlet opening is located and the outlet opening encloses an outlet spout having an inner diameter in the range of 0.1 to 1 mm and a length in the range of 5 to 20 mm. The ratio between the inner diameter of the outlet spout and its length is in the range of 0.005 to 0.2.
Inventors
- 👤 James E. Aysta
- 👤 Metin Colpan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 21:14
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5025; B01D; B01D61/00; B01D61/14; B01D61/18; B01L3/50255; B01L3/508; B01L3/5085; B01L3/50855; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25375; Y10T436/255
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
81 words
A support plate accommodating and being integrally connected with a plurality of adjacent sample containers, each sample container being suitable to accommodate a liquid sample to be separated into components, each sample container having an inlet opening and an outlet opening between which a separation layer is arranged, said sample container having a bottom wall in which said outlet opening is located, said outlet opening enclosing an outlet spout having an inner diameter in the range of 0.1 to 1 mm.
Claim 2
Dependent Claim
81 words
A support plate accommodating and being integrally connected with a plurality of adjacent sample containers, each sample container being suitable to accommodate a liquid sample to be separated into components, each sample container having an inlet opening and an outlet opening between which a separation layer is arranged, said sample container having a bottom wall in which said outlet opening is located, said outlet opening enclosing an outlet spout having an inner diameter in the range of 0.1 to 1 mm.
Claim 3
Dependent Claim
18 words
The plate according to claim 1 wherein said separation layer abuts the bottom wall of said sample container.
Claim 4
Dependent Claim
28 words
The plate according to claim 1 wherein said sample containers are arranged side by side in rows and columns and the containers are interconnected by said support plate.
Claim 5
Dependent Claim
16 words
The support plate according to claim 1 wherein each sample container has a generally tubular wall.
Claim 6
Dependent Claim
27 words
The support plate according to claim 1 wherein said separation layer is a filter paper, a glass frit, or a membrane or material with selective adsorption properties.
Claim 7
Dependent Claim
21 words
The support plate according to claim 1 wherein said separation layer is a fibrillated polytetrafluoroethylene matrix having sorptive particulate enmeshed therein.
Claim 8
Dependent Claim
22 words
The support plate according to claim 1 wherein said outlet spout has a length in the range of 5 to 20 mm.
Claim 9
Dependent Claim
18 words
The support plate according to claim 1 wherein said outlet spout has a length up to 2 cm.
Claim 10
Dependent Claim
24 words
The support plate according to claim 1 wherein said sample containers contain a retaining ring to keep said separation layer against said bottom wall.
Claim 11
Dependent Claim
18 words
The support plate according to claim 9 wherein said retaining ring is made of plastic or rubbery material.
Claim 12
Dependent Claim
14 words
The support plate according to claim 1 which is made of a plastic material.
Claim 13
Dependent Claim
22 words
The support plate according to claim 1 wherein said separation layer is arranged so as to be penetrated by said liquid sample.
Claim 14
Dependent Claim
113 words
A support plate accommodating and being integrally connected with a plurality of adjacent sample containers, each sample container being suitable to accommodate a liquid sample to be separated into components, each sample container having an inlet opening and an outlet opening between which a separation layer is arranged, said sample container having a bottom wall in which said outlet opening is located, said outlet opening enclosing an outlet spout having an inner diameter in the range of 0.1 to 1 mm and a length in the range of 5 to 20 mm, the ratio between the inner diameter of said outlet spout and its length being in the range of 0.005 to 0.2.
Claim 15
Dependent Claim
113 words
A support plate accommodating and being integrally connected with a plurality of adjacent sample containers, each sample container being suitable to accommodate a liquid sample to be separated into components, each sample container having an inlet opening and an outlet opening between which a separation layer is arranged, said sample container having a bottom wall in which said outlet opening is located, said outlet opening enclosing an outlet spout having an inner diameter in the range of 0.1 to 1 mm and a length in the range of 5 to 20 mm, the ratio between the inner diameter of said outlet spout and its length being in the range of 0.005 to 0.2.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-04-14 | 2000-10-14 | 2001-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-04-14 | 2004-10-14 | 2005-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-04-14 | 2008-10-14 | 2009-04-15 | $7700.00 | Window Closed / Lapsed |