Patent US2756188A successfully refreshed from Google Patents.
US2756188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid hydroforming process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-08-28
•
Granted: 1956-07-24
•
Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Arnold F Kaulakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:43
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF CATALYTICALLY CONVERTING A HYDROCARBON FRACTION BOILING WITHIN THE MOTOR FUEL BOILING RANGE WHICH COMPRISES PASSING NAPHTHA VAPOR IN ADMIXTURE WITH HYDROGEN-RICH GAS THROUGH A DENSE, FLUIDIZED, BED OF FINELY DIVIDED HYDROFORMING CATALYST IN A REACTION ZONE AT TEMPERATURES OF 850* -1050* F. AND AT PRESSURES OF 100-500 LBS. PER SQ. INCH AT A CATALYST TO OIL RATIO OF 5 TO 20 AND AT A THROUGHPUT 0.2 TO 2.0 W./HR./W., WITHDRAWING A STREAM OF REACTION PRODUCTS SUBSTANTIALLY FREE OF CATALYST PARTICLES OVERHEAD FROM THE REACTION ZONE, WITHDRAWING A STREAM OF CATALYST PARTICLES DIRECTLY FROM THE DENSE FLUIDIZED BED IN SAID REACTION ZONE STRIPPING ABSORBED HYDROGEN AND HYDROCARBON MATERIAL FROM THE WITHDRAWN CATA-
Claim 2
Independent Claim
114 words
A METHOD OF CATALYTICALLY CONVERTING A HYDROCARBON FRACTION BOILING WITHIN THE MOTOR FUEL BOILING RANGE WHICH COMPRISES PASSING NAPHTHA VAPOR IN ADMIXTURE WITH HYDROGEN-RICH GAS THROUGH A DENSE, FLUIDIZED, BED OF FINELY DIVIDED HYDROFORMING CATALYST IN A REACTION ZONE AT TEMPERATURES OF 850* -1050* F. AND AT PRESSURES OF 100-500 LBS. PER SQ. INCH AT A CATALYST TO OIL RATIO OF 5 TO 20 AND AT A THROUGHPUT 0.2 TO 2.0 W./HR./W., WITHDRAWING A STREAM OF REACTION PRODUCTS SUBSTANTIALLY FREE OF CATALYST PARTICLES OVERHEAD FROM THE REACTION ZONE, WITHDRAWING A STREAM OF CATALYST PARTICLES DIRECTLY FROM THE DENSE FLUIDIZED BED IN SAID REACTION ZONE STRIPPING ABSORBED HYDROGEN AND HYDROCARBON MATERIAL FROM THE WITHDRAWN CATA-
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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |