Patent US2658859A successfully refreshed from Google Patents.
US2658859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbons
Assignee: Houdry Process Corp
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Filing: 1949-03-05
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Granted: 1953-11-10
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Expires: 1969-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jack C Dart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:49
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/003; B01J38/00; B01J38/04; B01J38/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
THE PROCESS WHICH COMPRISES CONTACING A HOT HYDRATABLE ADSORBENT CONTACT MASS WHILE IN HYDRATABLE CONDITION WITH TRANSPORTING HYDROCARBON VAPORS TO TRANSPORT SAID MASS TO A FIXED LOCATION ABOVE A REACTION ZONE, SAID VAPORS COMPRISING HYDROCARBONS SUBJECT TO ENDOTHERMIC CONVERSION IN THE PRESENCE OF THE CONTACT MASS AND SAID CONTRACT MASS HAVING THE PROPERTY OF PROVIDING EXOTHERMIC HEAT OF HYDRATION AT ELEVATED TEMPERATURES, MAINTAINING OPERAITNG CONDITION DURING SUCH TRANSPORTATION TO EFFECT CONVERSION OF HYDROCARBONS IN SAID VAPORS BY ENDOTHERMIC REACTIONS, SEPARATING SAID CONTACT MASS FROM SAID TRANSPORTING HYDROCARBON VAPORS AT SAID LOCOATION, INTRODUCING THE THUS SEPARTATED CONTACT WITH HYINTO A REACTION ZONE FOR FURTHER CONTACT WITH HYDROCARBONS TO BE PROCESSED IN CONTACT THEREWITH AT ELEVATED TEMPERATURE, AND HYDROTING SAID CONTACT MASS WHILE STILL AT AN ELEVATED TEMPERATURE BY ADSORPTION OF STEAM THEREON INTERMEDIATE SAID LOCATION AND SAID REACTION ZONE, THEREBY RAISING THE TEMPERATURE OF THE CONTACT MASS MATERIALLY ABOVE THE TEMPERATURE OF SIAD MAS WHEN INITIALLY SEPARATED FROM THE TRANSPORTING HYDROCARBON VAPORS AT SAID LOCATION, AND THEREBY ALSO RESORTING TO THE CONTACT MASS AT LEAST IN PART SENSIBLE HEAT GIVEN UP TO SAID MASS DURING TRANSPORTATION BY SAID HYDROCARBON VAPORS.
Claim 2
Dependent Claim
189 words
THE PROCESS WHICH COMPRISES CONTACING A HOT HYDRATABLE ADSORBENT CONTACT MASS WHILE IN HYDRATABLE CONDITION WITH TRANSPORTING HYDROCARBON VAPORS TO TRANSPORT SAID MASS TO A FIXED LOCATION ABOVE A REACTION ZONE, SAID VAPORS COMPRISING HYDROCARBONS SUBJECT TO ENDOTHERMIC CONVERSION IN THE PRESENCE OF THE CONTACT MASS AND SAID CONTRACT MASS HAVING THE PROPERTY OF PROVIDING EXOTHERMIC HEAT OF HYDRATION AT ELEVATED TEMPERATURES, MAINTAINING OPERAITNG CONDITION DURING SUCH TRANSPORTATION TO EFFECT CONVERSION OF HYDROCARBONS IN SAID VAPORS BY ENDOTHERMIC REACTIONS, SEPARATING SAID CONTACT MASS FROM SAID TRANSPORTING HYDROCARBON VAPORS AT SAID LOCOATION, INTRODUCING THE THUS SEPARTATED CONTACT WITH HYINTO A REACTION ZONE FOR FURTHER CONTACT WITH HYDROCARBONS TO BE PROCESSED IN CONTACT THEREWITH AT ELEVATED TEMPERATURE, AND HYDROTING SAID CONTACT MASS WHILE STILL AT AN ELEVATED TEMPERATURE BY ADSORPTION OF STEAM THEREON INTERMEDIATE SAID LOCATION AND SAID REACTION ZONE, THEREBY RAISING THE TEMPERATURE OF THE CONTACT MASS MATERIALLY ABOVE THE TEMPERATURE OF SIAD MAS WHEN INITIALLY SEPARATED FROM THE TRANSPORTING HYDROCARBON VAPORS AT SAID LOCATION, AND THEREBY ALSO RESORTING TO THE CONTACT MASS AT LEAST IN PART SENSIBLE HEAT GIVEN UP TO SAID MASS DURING TRANSPORTATION BY SAID HYDROCARBON VAPORS.
References Cited (Backward Citations)
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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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |