US2772225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for effecting conversion of hydrocarbons
Assignee: ExxonMobil Oil Corp
•
Filing: 1952-05-24
•
Granted: 1956-11-27
•
Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Eric V Bergstrom
- 👤 Edward J Sorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD OF WITHDRAWING GRANULAR CONTACT MTERIAL FROM A HIGH TEMPERATURE REACTION ZONE IN WHICH HYDROCARBONS ARE CONVERTED TO GASIFORM PRODUCTS WHICH COMPRISES: WITHDRAWING A DOWNWARDLY MOVING STREAM OF CONTACT MATERIAL IN SUBSTANTIALLY COMPACTED COLUMNAR FORM, OF RESTRICTED CROSS-SECTION AND OF SUFFICIENT LENGHT TO INHABIT THE TRANSFER OF GAS INTO OR OUT OF THE REACTION ZONE, INTRODUCTING A FIRST GAS, WHICH IS NOT REACTIVE UNDER THE CONDITIONS IN THE REACTION ZONE, INTO THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE REACTION ZONE, AT A PRESSURE SLIGHTLY HIGHER THAN THEPRESSURE IN THE REACTION ZONE, INTRODUCING A SECOND GAS, WHICH IS REACTIVE UNDER THE CONDITIONS IN THE REACTION ZONE, INTO THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE LEVEL AT WHICH THE FIRST IS INTRODUCED AT A PRESSURE WHICH IS SLIGHTLY LOWER THAN THE PRESSURE OF THE FIRST GAS, AND WITHDRAWING A MIXTURE OF THE FIRST AND SECOND GASES FROM THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE LEVEL AT WHICH THE SECOND GAS IS INTRODUCED.
Claim 2
Independent Claim
170 words
A METHOD OF WITHDRAWING GRANULAR CONTACT MTERIAL FROM A HIGH TEMPERATURE REACTION ZONE IN WHICH HYDROCARBONS ARE CONVERTED TO GASIFORM PRODUCTS WHICH COMPRISES: WITHDRAWING A DOWNWARDLY MOVING STREAM OF CONTACT MATERIAL IN SUBSTANTIALLY COMPACTED COLUMNAR FORM, OF RESTRICTED CROSS-SECTION AND OF SUFFICIENT LENGHT TO INHABIT THE TRANSFER OF GAS INTO OR OUT OF THE REACTION ZONE, INTRODUCTING A FIRST GAS, WHICH IS NOT REACTIVE UNDER THE CONDITIONS IN THE REACTION ZONE, INTO THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE REACTION ZONE, AT A PRESSURE SLIGHTLY HIGHER THAN THEPRESSURE IN THE REACTION ZONE, INTRODUCING A SECOND GAS, WHICH IS REACTIVE UNDER THE CONDITIONS IN THE REACTION ZONE, INTO THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE LEVEL AT WHICH THE FIRST IS INTRODUCED AT A PRESSURE WHICH IS SLIGHTLY LOWER THAN THE PRESSURE OF THE FIRST GAS, AND WITHDRAWING A MIXTURE OF THE FIRST AND SECOND GASES FROM THE COLUMN OF CONTACT MATERIAL AT A LEVEL BELOW THE LEVEL AT WHICH THE SECOND GAS IS INTRODUCED.
References Cited (Backward Citations)
US2344449A
Cited
US2548286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |