US2921845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reforming of hydrocarbons
Assignee: GAS MACHINERY CO
•
Filing: 1956-01-23
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Granted: 1960-01-19
•
Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Robert T Kyle
- 👤 Nilsen Arve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; B; B01; B01J; B01J19/00; B01J19/30; B01J8/00; B01J8/02; B01J8/06; B01J8/065; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/46; C10G11/00; C10G11/12; B01J2208/00; B01J2208/02; B01J2208/023; B01J2208/024; B01J2208/025; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30223; B01J2219/30242; B01J2219/30296; B01J2219/304; B01J2219/30416; B01J2219/30475; B01J2219/308; B01J2219/3081; B01J2219/3085; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/0822; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1247; C01B2203/16; C01B2203/169; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PROCESS FOR CATALYTICALLY REFORMING LIQUID AND GASEOUS HYDROCARBONS IN A PAIR OF SHELLS HAVING A CORSS-OVER ZONE CONNECTING THE TOP PORTIONS THEREOF AND EACH HAVING A POROUS CATALYST BED INTERMEDIATE ITS UPPER AND LOWER ENDS AND A SEPARATE, POROUS, REFRACTORY, HEAT STORAGE BED BELOW THE CATALYST BED, SAID PROCESS COMPRISING THE STEPS OF, HEATING A FIRST ONE OF SAID SHELLS AND THE CATALYST BED AND HEAT STORAGE BED THEREIN BY PASSING AIR UPWARDLY THROUGH THE SECOND ONE OF SAID SHELLS AND THE HEAT STORAGE BED ABD CATALYST BED THEREIN TO PROVIDE A GASEOUS STREAM FLOWING ALONG A PATH THROUGH SAID CROSS-OVER AND DOWNWARD THROUGH THE CATALYST BED AND HEAT STORAGE BED IN SAID FIRST SHELL, INTRODUCING A FLUID FUEL INTO SAID STREAM BETWEEN THE TOW CATALYST BED FOR ADMIXTURE AND COMBUSTION WITH SAID AIR, AND CONDUCTING COMBUSTION PRODUCTS OF SAID FUEL AND AIR DOWNWARD THROUGH THE CATALYST BED AND HEAT STORAGE BED IN SAID FIRST SHELL TO HEAT THE SAME, PASSING A STREAM OF A GASEOUS VEHICLE ALONG SAID
Claim 2
Dependent Claim
170 words
A PROCESS FOR CATALYTICALLY REFORMING LIQUID AND GASEOUS HYDROCARBONS IN A PAIR OF SHELLS HAVING A CORSS-OVER ZONE CONNECTING THE TOP PORTIONS THEREOF AND EACH HAVING A POROUS CATALYST BED INTERMEDIATE ITS UPPER AND LOWER ENDS AND A SEPARATE, POROUS, REFRACTORY, HEAT STORAGE BED BELOW THE CATALYST BED, SAID PROCESS COMPRISING THE STEPS OF, HEATING A FIRST ONE OF SAID SHELLS AND THE CATALYST BED AND HEAT STORAGE BED THEREIN BY PASSING AIR UPWARDLY THROUGH THE SECOND ONE OF SAID SHELLS AND THE HEAT STORAGE BED ABD CATALYST BED THEREIN TO PROVIDE A GASEOUS STREAM FLOWING ALONG A PATH THROUGH SAID CROSS-OVER AND DOWNWARD THROUGH THE CATALYST BED AND HEAT STORAGE BED IN SAID FIRST SHELL, INTRODUCING A FLUID FUEL INTO SAID STREAM BETWEEN THE TOW CATALYST BED FOR ADMIXTURE AND COMBUSTION WITH SAID AIR, AND CONDUCTING COMBUSTION PRODUCTS OF SAID FUEL AND AIR DOWNWARD THROUGH THE CATALYST BED AND HEAT STORAGE BED IN SAID FIRST SHELL TO HEAT THE SAME, PASSING A STREAM OF A GASEOUS VEHICLE ALONG SAID
References Cited (Backward Citations)
US1841201A
Cited
US2071286A
Cited
US2205554A
Cited
US2311498A
Cited
US2289922A
Cited
US2592591A
Cited
US2605176A
Cited
US2714058A
Cited
US2665979A
Cited
US2720450A
Cited
US2743171A
Cited
GB693724A
Cited
US2829034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |