US3342333A
Expired / Lapsed
US
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Apparatus for thin-layer chromatography
Assignee: European Atomic Energy Community Euratom
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Filing: 1963-12-26
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Granted: 1967-09-19
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Geiss Friedrich
- 👤 Schlitt Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/90; G01N30/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN APPARATUS FOR USE IN THIN-LAYER CHROMATOGRAPHY SEPARATIONS WITH REPRODUCIBLE RESULTS COMPRISING: A CLOSED AIR-CONDITIONING CHAMBER IN WHICH DESIRED CLIMATIC CONDITIONS CAN BE FORMED, SAID CHAMBER CONSISTING OF A BOXLIKE HOUSING AND A COVER; CONTAINER MEANS IN SAID CHAMBER WITH A DESICCANT ALLOWING TO FORM SAID DESIRED CLIMATIC CONDITIONS; AN ELUTION TANK IN SAID CHAMBER PROVIDED WITH AN OPENING THROUGH ITS TOP; A FLAT CHAMBER FORMED BY A THIN-LAYER CHROMATOGRAPHY PLATE AND A FRAME PLATE HELD
Claim 2
Independent Claim
76 words
AN APPARATUS FOR USE IN THIN-LAYER CHROMATOGRAPHY SEPARATIONS WITH REPRODUCIBLE RESULTS COMPRISING: A CLOSED AIR-CONDITIONING CHAMBER IN WHICH DESIRED CLIMATIC CONDITIONS CAN BE FORMED, SAID CHAMBER CONSISTING OF A BOXLIKE HOUSING AND A COVER; CONTAINER MEANS IN SAID CHAMBER WITH A DESICCANT ALLOWING TO FORM SAID DESIRED CLIMATIC CONDITIONS; AN ELUTION TANK IN SAID CHAMBER PROVIDED WITH AN OPENING THROUGH ITS TOP; A FLAT CHAMBER FORMED BY A THIN-LAYER CHROMATOGRAPHY PLATE AND A FRAME PLATE HELD
References Cited (Backward Citations)
US2214024A
Cited
US3189541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |