US3074784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous chromatographic analysis apparatus
Assignee: Technicon Chromatography Corp
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Filing: 1959-05-05
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Granted: 1963-01-22
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Andres Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:49
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/80; G01N30/82; G01N21/00; G01N21/84; G01N21/85; G01N30/62; G01N30/74; G01N35/00; G01N35/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN CHROMATOGRAPHY ANALYSIS APPARATUS WHICH COMPRISES A CHROMATOGRAPHY COLUMN HAVING AN INLET FOR THE ELUTING LIQUID AND AN OUTLET FOR THE ELUENT LIQUID, AN AUTOMATIC ANALYZER INCLUDING A CONDUIT, A COLORIMETER RECORDER, AND MEANS FOR PUMPING THE ELUTING LIQUID TO THE INLET OF THE COLUMN AND THE ELUENT LIQUID TOGETHER WITH A COLOR REAGENT THROUGH SAID CONDUIT AND FROM THE CONDUIT THROUGH THE COLORIMETER, AND AN AUTOMATIC FRACTION COLLECTOR COMPRISING A MOVABLE SUPPORT FOR A SERIES OF FRACTION COLLECTION RECEPTACLES FOR MOVING SAID RECEPTACLES TO AN ELUENT RECEIVING POSITION FOR RECEIVING FRACTIONS OF THE ELUENT LIQUID FROM THE COLUMN SIMULTANEOUSLY WITH THE FLOW OF ELUENT FROM THE COLUMN THROUGH SAID CONDUIT AND IN CORRELATED RELATION TO SAID FLOW OF THE ELUENT, SAID FRACTION COLLECTOR INCLUDING CONTROLLED MEANS FOR INTERMITTENTLY MOVING SAID MOVABLE SUPPORT FOR MOVING THE RECEPTACLES SERIATIM TO SAID ELUENT RECEIVING POSITION.
Claim 2
Dependent Claim
143 words
IN CHROMATOGRAPHY ANALYSIS APPARATUS WHICH COMPRISES A CHROMATOGRAPHY COLUMN HAVING AN INLET FOR THE ELUTING LIQUID AND AN OUTLET FOR THE ELUENT LIQUID, AN AUTOMATIC ANALYZER INCLUDING A CONDUIT, A COLORIMETER RECORDER, AND MEANS FOR PUMPING THE ELUTING LIQUID TO THE INLET OF THE COLUMN AND THE ELUENT LIQUID TOGETHER WITH A COLOR REAGENT THROUGH SAID CONDUIT AND FROM THE CONDUIT THROUGH THE COLORIMETER, AND AN AUTOMATIC FRACTION COLLECTOR COMPRISING A MOVABLE SUPPORT FOR A SERIES OF FRACTION COLLECTION RECEPTACLES FOR MOVING SAID RECEPTACLES TO AN ELUENT RECEIVING POSITION FOR RECEIVING FRACTIONS OF THE ELUENT LIQUID FROM THE COLUMN SIMULTANEOUSLY WITH THE FLOW OF ELUENT FROM THE COLUMN THROUGH SAID CONDUIT AND IN CORRELATED RELATION TO SAID FLOW OF THE ELUENT, SAID FRACTION COLLECTOR INCLUDING CONTROLLED MEANS FOR INTERMITTENTLY MOVING SAID MOVABLE SUPPORT FOR MOVING THE RECEPTACLES SERIATIM TO SAID ELUENT RECEIVING POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |