US2590436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling chemical reactions
Assignee: Shell Development Co
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Filing: 1948-06-21
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Granted: 1952-03-25
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Expires: 1968-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Daniel B Luten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:31
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C1/0482; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00083; B01J2219/00087; B01J2219/00094; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y02P20/582; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A PROCESS OF CARRYING OUT A REVERSIBLE EXOTHERMIC CHEMICAL REACTION, THE IMPROVEMENT WHICH COMPRISES CONTROLLING THE TEMPERATURE OF A POSITIONED PORTION OF THE REACTION MIXTURE BY THE METHOD COMPRISING: ISOLATING AND TRANSFERRING TWO SMALL PORTIONS OF THE REACTION MIXTURE OF SAID POSITIONED PORTION INTO ADIABATIC REACTION ZONES; IMPARTING AN INCREMENTAL TEMPERATURE CHANGE TO AT LEAST ONE OF THE ISOLATED PORTIONS SO THAT ONE ISOLATED PORTION IS AT A HIGHER TEMPERATURE THAN THE OTHER ISOLATED PORTION; CONTINUING THE SAME CHEMICAL REACTION IN EACH ISOLATED PORTION IN SAID ADIABATIC REACTION ZONES UNDER SUBSTANTIALLY THE SAME CONDITIONS AS THOSE OF THE SAID POSITIONED PORTION EXCEPT FOR SAID IMCREMENTAL TEMPERATURE DIFFERENCE TO THEREBY PRODUCE IN EACH OF SAID PORTIONS A MEASURABLE CHANGE IN THE VALUE OF A MEASURABLE PROPERTY OF THE REACTION MIXTURE WHICH CHANGES PROGRES-
Claim 2
Dependent Claim
133 words
IN A PROCESS OF CARRYING OUT A REVERSIBLE EXOTHERMIC CHEMICAL REACTION, THE IMPROVEMENT WHICH COMPRISES CONTROLLING THE TEMPERATURE OF A POSITIONED PORTION OF THE REACTION MIXTURE BY THE METHOD COMPRISING: ISOLATING AND TRANSFERRING TWO SMALL PORTIONS OF THE REACTION MIXTURE OF SAID POSITIONED PORTION INTO ADIABATIC REACTION ZONES; IMPARTING AN INCREMENTAL TEMPERATURE CHANGE TO AT LEAST ONE OF THE ISOLATED PORTIONS SO THAT ONE ISOLATED PORTION IS AT A HIGHER TEMPERATURE THAN THE OTHER ISOLATED PORTION; CONTINUING THE SAME CHEMICAL REACTION IN EACH ISOLATED PORTION IN SAID ADIABATIC REACTION ZONES UNDER SUBSTANTIALLY THE SAME CONDITIONS AS THOSE OF THE SAID POSITIONED PORTION EXCEPT FOR SAID IMCREMENTAL TEMPERATURE DIFFERENCE TO THEREBY PRODUCE IN EACH OF SAID PORTIONS A MEASURABLE CHANGE IN THE VALUE OF A MEASURABLE PROPERTY OF THE REACTION MIXTURE WHICH CHANGES PROGRES-
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) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |