US3255161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of conversion in reaction train
Assignee: Phillips Petroleum Co
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Filing: 1963-06-10
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Granted: 1966-06-07
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph R Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:18
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0335; Y10T137/2496; Y10T137/2499; Y10T137/2504; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR CONTROLLING CONVERSION IN A PLURALITY OF REACTORS OPERATED IN SERIES WHEREIN (1) REACTANTS ARE CONTINUOUSLY FED AT A CONSTANT RATE TO THE FIRST REACTOR IN THE SERIES, (2) THE UPSTREAM REACTORS IN THE SERIES ARE OPERATED LIQUID-FULL, (3) THE LAST REACTOR IN THE SERIES IS OPERATED PARTIALLY LIQUID-FULL, AND (4) PRODUCT IS WITHDRAWN FROM THE LAST REACTOR IN THE SERIES, WHICH COMPRISES: MEASURING THE LIQUID LEVEL IN THE LAST REACTOR IN SAID SERIES AND PRODUCING A CONTROL SIGNAL RELATED THERETO; AND CONTROLLING THE RATE OF WITHDRAWAL OF PRODUCT FROM SAID LAST REACTOR IN SAID SERIES RESPONSIVE TO CHANGES IN
Claim 2
Independent Claim
102 words
A METHOD FOR CONTROLLING CONVERSION IN A PLURALITY OF REACTORS OPERATED IN SERIES WHEREIN (1) REACTANTS ARE CONTINUOUSLY FED AT A CONSTANT RATE TO THE FIRST REACTOR IN THE SERIES, (2) THE UPSTREAM REACTORS IN THE SERIES ARE OPERATED LIQUID-FULL, (3) THE LAST REACTOR IN THE SERIES IS OPERATED PARTIALLY LIQUID-FULL, AND (4) PRODUCT IS WITHDRAWN FROM THE LAST REACTOR IN THE SERIES, WHICH COMPRISES: MEASURING THE LIQUID LEVEL IN THE LAST REACTOR IN SAID SERIES AND PRODUCING A CONTROL SIGNAL RELATED THERETO; AND CONTROLLING THE RATE OF WITHDRAWAL OF PRODUCT FROM SAID LAST REACTOR IN SAID SERIES RESPONSIVE TO CHANGES IN
References Cited (Backward Citations)
US2897247A
Cited
US2886616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |