US3306347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid storage method and apparatus therefor
Assignee: Phillips Petroleum Co
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Filing: 1963-05-23
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Granted: 1967-02-28
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Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 John A Favre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:34
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/30; G01N1/00; G01N1/28; G01N1/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A METHOD OF ISOLATING AND STORING MULTIPLE VAPOROUS CONSTITUENTS IN A STORAGE ZONE CONTAINING AN INERT MATERIAL THROUGHOUT THE LENGTH OF SAID STORAGE ZONE AFTER THE ELUTION OF SAID COMPONENTS IN SPACED SEQUENCE FROM A CHROMATOGRAPHIC SEPARATION COLUMN WHICH COMPRISES PASSING EACH OF SAID VAPOROUS CONSTITUENTS SEPARATELY AND SEQUENTIALLY INTO THE INLET OF THE SAID STORAGE ZONE, AND DURING THE PASSAGE OF SAID VAPOROUS CONSTITUENTS INTO THE STORAGE ZONE COOLING SAID STORAGE ZONE TO A UNIFORM TEMPERATURE PROGRESSIVELY FROM THE OUTLET OF SAID STORAGE ZONE TO THE INLET UNTIL THE SAID STORAGE ZONE REACHES A UNIFORM TEMPERATURE BELOW THE CONDENSATION TEMPERATURE OF EACH OF THE SAID CONSTITUENTS SO AS TO SEQUENTIALLY CONDENSE EACH OF THE SAID CONSTITUENTS IN SAID INERT PACKING MATERIAL AND PREVENT THE MIXING OF SAID VAPOROUS CONSTITUENTS.
References Cited (Backward Citations)
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Cited
GB860406A
Cited
US2891630A
Cited
US3070377A
Cited
US3053077A
Cited
US3016107A
Cited
US3069176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |