US3230167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elution chromatography
Assignee: Applied Biosystems Inc
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Filing: 1962-07-06
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Granted: 1966-01-18
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Marcel J E Golay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/60; G01N30/6004; G01N30/6017; G01N30/26; G01N30/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
THE METHOD OF SEPARATING A MULTICOMPONENT FLUID INTO ITS COMPONENTS WHICH COMPRISES PASSING A FLUID CARRIER THROUGH A FIRST SECTION OF CHROMATOGRAPHIC COLUMN; INJECTING INTO SAID CARRIER A CONTROLLED VOLUME OF SAID SAMPLE FLUID; SELECTIVELY RETARDING THE FLOW OF AT LEAST SOME OF SAID COMPONENTS IN THEIR PASSAGE THROUGH SAID COLUMN; PASSING SAID CARRIER FROM SAID FIRST COLUMN SECTION INTO A SUBSTANTIALLY UNOBSTRUCTED ELONGATED PASSAGE; REALIGNING THE MOLECULES OF SAID SAMPLE FLUID IN SAID PASSAGE WHEREBY THE FROMT OF EACH COMPONENT IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID COLUMN; PASSING SAID COMPONENTS AND FLUID CARRIER FROM SAID PASSAGE THROUGH A SECOND CHROMATOGRAPHIC COLUMN SECTION; AND SELECTIVELY RETARDING THE FLOW OF AT LEAST SOME OF SAID COMPONENTS THROUGH SAID SECOND SECTION WHEREBY SAID EOMPONENTS ARE SELECTIVELY IMPEDED AND SEPARAED FROM EACH OTHER.
Claim 2
Independent Claim
133 words
THE METHOD OF SEPARATING A MULTICOMPONENT FLUID INTO ITS COMPONENTS WHICH COMPRISES PASSING A FLUID CARRIER THROUGH A FIRST SECTION OF CHROMATOGRAPHIC COLUMN; INJECTING INTO SAID CARRIER A CONTROLLED VOLUME OF SAID SAMPLE FLUID; SELECTIVELY RETARDING THE FLOW OF AT LEAST SOME OF SAID COMPONENTS IN THEIR PASSAGE THROUGH SAID COLUMN; PASSING SAID CARRIER FROM SAID FIRST COLUMN SECTION INTO A SUBSTANTIALLY UNOBSTRUCTED ELONGATED PASSAGE; REALIGNING THE MOLECULES OF SAID SAMPLE FLUID IN SAID PASSAGE WHEREBY THE FROMT OF EACH COMPONENT IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID COLUMN; PASSING SAID COMPONENTS AND FLUID CARRIER FROM SAID PASSAGE THROUGH A SECOND CHROMATOGRAPHIC COLUMN SECTION; AND SELECTIVELY RETARDING THE FLOW OF AT LEAST SOME OF SAID COMPONENTS THROUGH SAID SECOND SECTION WHEREBY SAID EOMPONENTS ARE SELECTIVELY IMPEDED AND SEPARAED FROM EACH OTHER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |