US2799625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the conversion of liquid hydrocarbons
Assignee: ExxonMobil Oil Corp
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Filing: 1951-07-18
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Granted: 1957-07-16
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Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Robert D Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:51
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR THE CONVERSION OF LIQUID HYDROCARBONS IN THE PRESENCE OF A MOVING CONTACT MATERIAL WHICH COMPRISES: GRAVITATING A STREAM OF PARTICLE-FORM CONTACT MATERIAL AT A TEMPERATURE SUITABLE FOR CONVERSION DOWNWARDLY OVER AN INCLINED SURFACE, SUPPLYING LIQUID HYDROCARBON CHARGE AS A LOW VELOCITY NON-ATOMIZED STREAM TO THE UNDER SIDE OF SAID CONTACT MATERIAL STREAM SO THAT CONTACT MATERIAL PARTICLES AND LIQUID CHARGE ARE MIXED AS THEY PASS DOWNWARDLY OVER SAID SURFACE, PASSING THE MIXED LIQUID CHARGE AND CONTACT MATERIAL TO A SUBSTANTIALLY COMPACT BED OF CONTACT MATERIAL MAINTAINED WITHIN A CONFINED CONVERSION ZONE, PASSING CONTACT MATERIAL AND LIQUID CHARGE DOWNWARDLY THROUGH SAID BED TO EFFECT THE
Claim 2
Independent Claim
107 words
A METHOD FOR THE CONVERSION OF LIQUID HYDROCARBONS IN THE PRESENCE OF A MOVING CONTACT MATERIAL WHICH COMPRISES: GRAVITATING A STREAM OF PARTICLE-FORM CONTACT MATERIAL AT A TEMPERATURE SUITABLE FOR CONVERSION DOWNWARDLY OVER AN INCLINED SURFACE, SUPPLYING LIQUID HYDROCARBON CHARGE AS A LOW VELOCITY NON-ATOMIZED STREAM TO THE UNDER SIDE OF SAID CONTACT MATERIAL STREAM SO THAT CONTACT MATERIAL PARTICLES AND LIQUID CHARGE ARE MIXED AS THEY PASS DOWNWARDLY OVER SAID SURFACE, PASSING THE MIXED LIQUID CHARGE AND CONTACT MATERIAL TO A SUBSTANTIALLY COMPACT BED OF CONTACT MATERIAL MAINTAINED WITHIN A CONFINED CONVERSION ZONE, PASSING CONTACT MATERIAL AND LIQUID CHARGE DOWNWARDLY THROUGH SAID BED TO EFFECT THE
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |