US2868632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the catalytic conversion of hydrocarbons
Assignee: United Gas Improvement Co
•
Filing: 1955-03-03
•
Granted: 1959-01-13
•
Expires: 1975-03-03
Abstract
No abstract record available.
Inventors
- 👤 Milbourne Charles Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:49
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C01B3/46; C10; C10G; C10G11/00; C10G11/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN THE CYCLIC CATALYTIC CONVERSION OF NORMALLY LIQUID PETROLEUM HYDROCARBONS INTO A COMBUSTIBLE GAS RICH IN OIL GAS AND HAVING A HEATING VALUE OF AT LEAST ABOUT 700 B. T. U. PER CUBIC FOOT (N2 FREE BASIS) COMPRISING, IN ONE PART OF THE CYCLE, INTERNALLY HEATING AN ENCLOSED PATH LINED WITH HEAT STORAGE REFRACTORY MATERIAL AND COMPRISING A CATALYST ZONE BY PASSING HOT GASES THERETHROUGH, AND, IN ANOTHER PART OF THE CYCLE, PASSING A NORMALLY LIQUID PETROLEUM HYDROCARBON THROUGH SAID PATH AND THROUGH SAID CATALYST ZONE WHEREIN CONVERSION TAKES PLACE, THE IMPROVEMENT WHICH COMPRISES PREHEATING SAID
Claim 2
Dependent Claim
96 words
IN THE CYCLIC CATALYTIC CONVERSION OF NORMALLY LIQUID PETROLEUM HYDROCARBONS INTO A COMBUSTIBLE GAS RICH IN OIL GAS AND HAVING A HEATING VALUE OF AT LEAST ABOUT 700 B. T. U. PER CUBIC FOOT (N2 FREE BASIS) COMPRISING, IN ONE PART OF THE CYCLE, INTERNALLY HEATING AN ENCLOSED PATH LINED WITH HEAT STORAGE REFRACTORY MATERIAL AND COMPRISING A CATALYST ZONE BY PASSING HOT GASES THERETHROUGH, AND, IN ANOTHER PART OF THE CYCLE, PASSING A NORMALLY LIQUID PETROLEUM HYDROCARBON THROUGH SAID PATH AND THROUGH SAID CATALYST ZONE WHEREIN CONVERSION TAKES PLACE, THE IMPROVEMENT WHICH COMPRISES PREHEATING SAID
References Cited (Backward Citations)
US1738620A
Cited
US1973851A
Cited
US2404574A
Cited
US2665979A
Cited
FR1053937A
Cited
US2743171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |