US2574503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for hydrocarbon conversion
Assignee: ExxonMobil Oil Corp
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Filing: 1946-02-12
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Granted: 1951-11-13
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Expires: 1966-02-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:45
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A PROCESS FOR CONVERTING LIQUID HYDROCARBONS TO VALUABLE GASIFORM PRODUCTS IN THE PRESENCE OF A PARTICLE-FORM CONTACT MATERIAL WHICH COMPRISES, MAINTAINING A SUBSTANTIALLY COMPACT BED OF PARTICLE-FORM CONTACT MATERIAL IN A CONFINED CONVERSION ZONE, BRINGING THE LIQUID HYDROCARBON CHARGE IN THE LIQUID PHASE INTO AN INITIAL CONTACT WITH PARTICLE-FORM CONTACT MATERIAL EXISTING AT A SUITABLE CONVERSION SUPPORTING TEMPERATURE IN A REGION APART FROM SAID BED AND THEN DELIVERING THE INITIALLY CONTACTED CONTACT MATERIAL AND HYDROCARBONS TO SAID BED, WITHDRAWING CONTACT MATERIAL FROM THE BOTTOM OF SAID BED TO PROMOTE DOWNWARD FLOW OF THE PARTICLES IN SAID BED, FLOWING THE LIQUID HYDROCARBONS DOWNWARDLY THROUGH A SUBSTANTIAL PORTION OF SAID BED TO EFFECT COMPLETION OF THE DESIRED CONVERSION TO GASIFORM PRODUCTS AND WITHDRAWING GASIFORM PRODUCTS FROM SAID BED.
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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) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |