Patent US2905607A successfully refreshed from Google Patents.
US2905607A
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Conversion of hydrocarbons in the presence of neutron radiation and a cracking catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-04-08
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Granted: 1959-09-22
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Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Robert B Long
- 👤 Henry J Hibshman
- 👤 John P Longwell
- 👤 Robert W Houston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:45
CPC Classifications
C; C10; C10G; C10G15/00; C10G15/10; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/084; Y; Y10; Y10S; Y10S204/00; Y10S204/90; Y10S204/902; Y10S204/903; Y10S204/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN ISOMERIZATION PROCESS COMPRISING EXPOSING A DISTILLATE HYDROCARBON BOILING IN A RANGE OF 400* TO 1150* F. IN THE PRESENCE OF A CATALYZING AMOUNT OF AN ACID CENTER CRACKING CATALYST HAVING A SURFACE AREA IN THE RANGE OF 50 TO 600 M.2/GR. AND A PORE SIZE IN THE RANGE OF 20 TO 150 A., TO RADIATING COMPRISING NEUTRONS AT A NEUTRON FLUX IN THE RANGE OF 10**11 TO 10**15N/CM.2/SEC. AND AT A TEMPERATURE IN THE RANGE OF 0* TO 700* F. UNTIL 0.3 TO 3000 B.T.U.''S/LB. OF IRRADIATION HAVE BEEN RECEIVED AND THE CONVERSION OF SAID DISTILLATE HYDROCARBON IS AT LEAST 10 WT PERCENT, AND RECOVERING A LIQUIOD PRODUCT IN YIELDS ABOVE 80 WT. PERCENT, BASED ON CONVERTED FEED, SAID PRODUCT HAVING AN I=C5/N=C5 RATIO ABOVE 1.
Claim 2
Dependent Claim
127 words
AN ISOMERIZATION PROCESS COMPRISING EXPOSING A DISTILLATE HYDROCARBON BOILING IN A RANGE OF 400* TO 1150* F. IN THE PRESENCE OF A CATALYZING AMOUNT OF AN ACID CENTER CRACKING CATALYST HAVING A SURFACE AREA IN THE RANGE OF 50 TO 600 M.2/GR. AND A PORE SIZE IN THE RANGE OF 20 TO 150 A., TO RADIATING COMPRISING NEUTRONS AT A NEUTRON FLUX IN THE RANGE OF 10**11 TO 10**15N/CM.2/SEC. AND AT A TEMPERATURE IN THE RANGE OF 0* TO 700* F. UNTIL 0.3 TO 3000 B.T.U.''S/LB. OF IRRADIATION HAVE BEEN RECEIVED AND THE CONVERSION OF SAID DISTILLATE HYDROCARBON IS AT LEAST 10 WT PERCENT, AND RECOVERING A LIQUIOD PRODUCT IN YIELDS ABOVE 80 WT. PERCENT, BASED ON CONVERTED FEED, SAID PRODUCT HAVING AN I=C5/N=C5 RATIO ABOVE 1.
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |