US3313419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in wash-through chromatography
Assignee: European Atomic Energy Community Euratom
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Filing: 1963-11-04
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Granted: 1967-04-11
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Schlitt Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:56
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/90; G01N30/92; B; B01; B01D; B01D15/00; B01D15/08; B01L; B01L3/00; B01L3/56; B01L3/569; G01N30/02; G01N30/60; G01N30/6052; G01N30/91; G01N30/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
APPARATUS FOR USE IN WASH-THROUGH THIN-LAYER CHROMATOGRAPHY COMPRISING: A CYLINDRICAL THROUGHFEED VESSEL HAVING AN INLET AND AN OUTLET; A RIGID CARRIER HAVING A SURFACE IN THE FORM OF AN UPRIGHT CYLINDER WITH A DOMED UPPER END, SAID CARRIER BEING LOOSELY FITTED IN SAID CYLINDRICAL THROUGHFEED VESSEL WITH AN INTERMEDIATE SPACE BEING LEFT BETWEEN SAID VESSEL AND SAID CARRIER; AND A THIN LAYER OF ADSORPTION MATERIAL PROVIDED ON SAID SURFACE.
Claim 2
Dependent Claim
69 words
APPARATUS FOR USE IN WASH-THROUGH THIN-LAYER CHROMATOGRAPHY COMPRISING: A CYLINDRICAL THROUGHFEED VESSEL HAVING AN INLET AND AN OUTLET; A RIGID CARRIER HAVING A SURFACE IN THE FORM OF AN UPRIGHT CYLINDER WITH A DOMED UPPER END, SAID CARRIER BEING LOOSELY FITTED IN SAID CYLINDRICAL THROUGHFEED VESSEL WITH AN INTERMEDIATE SPACE BEING LEFT BETWEEN SAID VESSEL AND SAID CARRIER; AND A THIN LAYER OF ADSORPTION MATERIAL PROVIDED ON SAID SURFACE.
References Cited (Backward Citations)
US3067132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |