Patent US2902436A successfully refreshed from Google Patents.
US2902436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenative conversion of hydrocarbons
Assignee: Houdry Process Corp
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Filing: 1951-11-20
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Granted: 1959-09-01
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Expires: 1971-11-20
Abstract
No abstract record available.
Inventors
- 👤 Mills George Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:21
CPC Classifications
C; C10; C10G; C10G47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
THE METHOD OF HYDROGENATIVE CONVERSION OF HYDROCARBONS TO MORE DESIRABLE PRODUCTS WHICH COMPRISES EFFECTING HYDROGENATIVE CONVERSION OF ONE KIND OF HYDROCARBONS IN ONE REACTION ZONE CONTAINING CATALYST HAVING HYDROGEN ACTIVATING PROPERTIES AT EXOTHERMIC CONDITIONS AND SIMULTANEOUSLY IN AT LEAST ONE OTHER SEPARATE REACTION ZONE CONTINING CATALYST HAVING HYDROGEN ACTIVATING PROPERTIES IN ATHE SAME SYSTEM EFFECTING HYDROGENATIVE CONVERSION OF A DIFFERENT KIND OF HYDROCARBONS AT ENDOTHERMIC CONDITIONS DIFFERING AS TO AT LEAST ONE OF THE VARIABLES SELECTED FROM PRESSURE, SPACE RATE, TEMPERATUARE AND REACTANT RATIO, SWITCHING CHARGES AND CONDITIONS FOR EACH OF SAID REACTION ZONES AND THEREAFTER EFFECTING IN SAID SECOND REACTION ZONE THE REACTION PREVIOUSLY CONDUCTED IN THE FIRST REACTION ZONE AND SIMULTANEOUSLY EFFECTING IN SAID FIRST REACTION ZONE THE REACTION PREVIOUSLY CONDUCTED IN THE SECOND REACTION ZONE, THEREBY UTILIZIANG AND CONTROLLING THE TEMPERATURE EFFECTS OF THE IMMEDIATELY PRECEDING REACTION PERIOD, AND CONTINUING THE CYCLE OPERATION PERIODICALLY TO UTILIZE AND CONTROL THE TEMPERATURES OF THE SEVERAL REACTIONS.
Claim 2
Independent Claim
157 words
THE METHOD OF HYDROGENATIVE CONVERSION OF HYDROCARBONS TO MORE DESIRABLE PRODUCTS WHICH COMPRISES EFFECTING HYDROGENATIVE CONVERSION OF ONE KIND OF HYDROCARBONS IN ONE REACTION ZONE CONTAINING CATALYST HAVING HYDROGEN ACTIVATING PROPERTIES AT EXOTHERMIC CONDITIONS AND SIMULTANEOUSLY IN AT LEAST ONE OTHER SEPARATE REACTION ZONE CONTINING CATALYST HAVING HYDROGEN ACTIVATING PROPERTIES IN ATHE SAME SYSTEM EFFECTING HYDROGENATIVE CONVERSION OF A DIFFERENT KIND OF HYDROCARBONS AT ENDOTHERMIC CONDITIONS DIFFERING AS TO AT LEAST ONE OF THE VARIABLES SELECTED FROM PRESSURE, SPACE RATE, TEMPERATUARE AND REACTANT RATIO, SWITCHING CHARGES AND CONDITIONS FOR EACH OF SAID REACTION ZONES AND THEREAFTER EFFECTING IN SAID SECOND REACTION ZONE THE REACTION PREVIOUSLY CONDUCTED IN THE FIRST REACTION ZONE AND SIMULTANEOUSLY EFFECTING IN SAID FIRST REACTION ZONE THE REACTION PREVIOUSLY CONDUCTED IN THE SECOND REACTION ZONE, THEREBY UTILIZIANG AND CONTROLLING THE TEMPERATURE EFFECTS OF THE IMMEDIATELY PRECEDING REACTION PERIOD, AND CONTINUING THE CYCLE OPERATION PERIODICALLY TO UTILIZE AND CONTROL THE TEMPERATURES OF THE SEVERAL REACTIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |