US2709678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation control system
Assignee: Phillips Petroleum Co
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Filing: 1952-08-26
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Granted: 1955-05-31
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Expires: 1972-08-26
Abstract
No abstract record available.
Inventors
- 👤 Donald E Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4255; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SEPARATION SYSTEM INCLUDING A FRACTIONATOR COLUMN HAVING AN INPUT FEED LINE, AN OVERHEAD PRODUCT LINE AND A BOTTOM PRODUCT LINE; APPARATUS TO CONTROL THE SEPARATION OF AN INPUT FEED MIXTURE CONTAINING A FIRST COMPONENT HAVING A VOLATILITY AT THE SEPARATION CONDITIONS INTERMEDIATE THAT OF THE PRINCIPAL COMPONENTS BEING SEPARATED, COMPRISING, A PLURALITY OF SAMPLE STREAM LINES COMMUNICATING WITH SELECTED SPACED REGIONS OF SAID COLUMN, AN ANALYZER ADAPTED TO MEASURE THE CONCENTRATION OF SAID FIRST COMPONENT IN SAMPLE STREAMS PASSED THERETO, A VALVE SYSTEM TO SEQUENTIALLY PASS SAMPLES
Claim 2
Dependent Claim
89 words
IN A SEPARATION SYSTEM INCLUDING A FRACTIONATOR COLUMN HAVING AN INPUT FEED LINE, AN OVERHEAD PRODUCT LINE AND A BOTTOM PRODUCT LINE; APPARATUS TO CONTROL THE SEPARATION OF AN INPUT FEED MIXTURE CONTAINING A FIRST COMPONENT HAVING A VOLATILITY AT THE SEPARATION CONDITIONS INTERMEDIATE THAT OF THE PRINCIPAL COMPONENTS BEING SEPARATED, COMPRISING, A PLURALITY OF SAMPLE STREAM LINES COMMUNICATING WITH SELECTED SPACED REGIONS OF SAID COLUMN, AN ANALYZER ADAPTED TO MEASURE THE CONCENTRATION OF SAID FIRST COMPONENT IN SAMPLE STREAMS PASSED THERETO, A VALVE SYSTEM TO SEQUENTIALLY PASS SAMPLES
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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |