US2770583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the conversion of liquid hydrocarbons in the presence of a granular contact material
Assignee: ExxonMobil Oil Corp
•
Filing: 1952-07-05
•
Granted: 1956-11-13
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 James H Haddad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:54
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/085; B01J8/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PROCESS FOR THE CONVERSION OF HIGH BOILING LIQUID HYDROCARBONS TO LOWER BOILING GASEOUS PRODUCTS IN THE PRESENCE OF A GRANULAR CONTACT MATERIAL, WHICH COMPRISES: MAINTAINING A SUBSTANTIALLY COMPACT COLUMN OF GRANULAR CONTACT MATERIAL THROUGHOUT THE LOWER SECTION OF A CONFINED CONVERSION ZONE, MAINTAINING A GAS SPACE ABOVE SAID COLUMN IN THE UPPER SECTION OF SAID CONVERSION ZONE, REMOVING CONTACT MATERIAL FROM THE LOWER SECTION OF SAID COLUMN SO AS TO PROMOTE THE DOWNWARD MOVEMENT OF CONTACT MATERIAL GRANULES IN SAID COLUMN, PASSING CONTACT MATERIAL INTO THE UPPER SECTION OF SAID GAS SPACE AND DOWNWARDLY THROUGH SAID GAS SPACE AND ONTO THE UPPER SURFACE OF SAID COLUMN AS A TUBULAR SHOWER, PASSING ADDITIONAL CONTACT MATERIAL INTO SAID GAS SPACE AND DOWNWARDLY THROUGH SAID GAS SPACE AND ONTO THE UPPER SURFACE OF SAID COLUMN AS A SECOND TUBULAR SHOWER POSITIONED CON-
Claim 2
Dependent Claim
140 words
A PROCESS FOR THE CONVERSION OF HIGH BOILING LIQUID HYDROCARBONS TO LOWER BOILING GASEOUS PRODUCTS IN THE PRESENCE OF A GRANULAR CONTACT MATERIAL, WHICH COMPRISES: MAINTAINING A SUBSTANTIALLY COMPACT COLUMN OF GRANULAR CONTACT MATERIAL THROUGHOUT THE LOWER SECTION OF A CONFINED CONVERSION ZONE, MAINTAINING A GAS SPACE ABOVE SAID COLUMN IN THE UPPER SECTION OF SAID CONVERSION ZONE, REMOVING CONTACT MATERIAL FROM THE LOWER SECTION OF SAID COLUMN SO AS TO PROMOTE THE DOWNWARD MOVEMENT OF CONTACT MATERIAL GRANULES IN SAID COLUMN, PASSING CONTACT MATERIAL INTO THE UPPER SECTION OF SAID GAS SPACE AND DOWNWARDLY THROUGH SAID GAS SPACE AND ONTO THE UPPER SURFACE OF SAID COLUMN AS A TUBULAR SHOWER, PASSING ADDITIONAL CONTACT MATERIAL INTO SAID GAS SPACE AND DOWNWARDLY THROUGH SAID GAS SPACE AND ONTO THE UPPER SURFACE OF SAID COLUMN AS A SECOND TUBULAR SHOWER POSITIONED CON-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |