US2962431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated carbon catalyst radiochemical hydrocarbon conversions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-06-28
•
Granted: 1960-11-29
•
Expires: 1976-06-28
Abstract
No abstract record available.
Inventors
- 👤 Gladrow Elroy Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:59
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/16; C10G15/00; C10G15/10; Y; Y10; Y10S; Y10S204/00; Y10S204/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A HYDROCARBON RADIOCHEMICAL CONVERSION PROCESS WHICH COMPRISES IRRADIATING A HYDROCARBON BOILING IN THE RANGE OF 150* TO 950*F. WITH HIGHLY IONIZING RADIATION IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ACTIVATED CARBON CATALYST HAVING A SURFACE AREA ABOVE 50 M2/GR., A PORE VOLUME GREATER THAN 0.20 CC./GR., A BULK DENSITY OF GREATER THAN 25 LBS./FT. 3 AND A TOTAL NEUTRON ABSORPTION CROSS-SECTION OF THE CARBON PLUS IMPURITIES OF LESS THAN 75 BARNS, SAID RADIATION CONSISTING OF GAMMA RAYS AT AN AVERAGE FLUX IN THE REACTION ZONE ABOVE 10**5 ROENTGENS/HR., AND NEUTRONS AT AN AVERAGE FLUX IN THE REACTION ZONE ABOVE 10**10 NEUTRONS/CM.2/SEC., AND THE TOTAL DOSAGE RECEIVED BEING ABOVE 10**7 ROENTGENS.
Claim 2
Dependent Claim
112 words
A HYDROCARBON RADIOCHEMICAL CONVERSION PROCESS WHICH COMPRISES IRRADIATING A HYDROCARBON BOILING IN THE RANGE OF 150* TO 950*F. WITH HIGHLY IONIZING RADIATION IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ACTIVATED CARBON CATALYST HAVING A SURFACE AREA ABOVE 50 M2/GR., A PORE VOLUME GREATER THAN 0.20 CC./GR., A BULK DENSITY OF GREATER THAN 25 LBS./FT. 3 AND A TOTAL NEUTRON ABSORPTION CROSS-SECTION OF THE CARBON PLUS IMPURITIES OF LESS THAN 75 BARNS, SAID RADIATION CONSISTING OF GAMMA RAYS AT AN AVERAGE FLUX IN THE REACTION ZONE ABOVE 10**5 ROENTGENS/HR., AND NEUTRONS AT AN AVERAGE FLUX IN THE REACTION ZONE ABOVE 10**10 NEUTRONS/CM.2/SEC., AND THE TOTAL DOSAGE RECEIVED BEING ABOVE 10**7 ROENTGENS.
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |