US2837467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion systems
Assignee: Sunoco Inc
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Filing: 1953-09-21
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Granted: 1958-06-03
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Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 William L Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:31
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
METHOD FOR INTRODUCING CONVERSION-SUPPORTING GRANULAR SOLIDS INTO A VESSEL IN A HYDROCARBON CONVERSION SYSTEM WHICH METHOD COMPRISES: PASSING GRANULAR SOLIDS COMPRISING PARTICLES HAVING SIZE WITHIN THE RANGE 4 TO 20 MESH DOWNWARDLY AS A COMPACT MOVING BED THROUGH A CONFINED ZONE, PASSING SAID SOLIDS DOWNWARDLY THROUGH AN UPPER ORIFICE AND VERTICALLY THROUGH AN ENCLOSED ZONE AS A FALLING STREAM OF SILIDS PASSING THROUGH A WELL-DEFINED SUBSTANTIALLY UNOBSTRUCTED PATH DIRECTLY INTO AND VERTICALLY THROUGH A LOWER ORIFICE INTO SAID VESSEL, SAID LOWER ORIFICE HAVING CROSS-SECTIONAL AREA APPROXIMATELY EQUAL TO THE NATURAL CROSS-SECTIONAL AREA OF SAID FALLING STREAM AT THE LEVEL OF SAID LOWER ORIFICE, MAINTAINING THE PRESSURE IN SAID VESSEL ABOVE THE PRESSURE IN SAID ENCLOSED ZONE PASSING A GASIFORM MATERIAL DOWNWARDLY THROUGH SAID ENCLOSED ZONE AND THROUGH SAID LOWER ORIFICE WITH SAID SOLIDS, AND DISCHARGING GASIFORM MATERIAL DOWNWARDLY INTO SAID VESSEL FROM A POSITION ADJACENT TO AND EXTERNAL OF SAID FALLING STREAM OF SOLIDS AS IT EMERGES FROM SAID LOWER ORIFICE.
Claim 2
Dependent Claim
161 words
METHOD FOR INTRODUCING CONVERSION-SUPPORTING GRANULAR SOLIDS INTO A VESSEL IN A HYDROCARBON CONVERSION SYSTEM WHICH METHOD COMPRISES: PASSING GRANULAR SOLIDS COMPRISING PARTICLES HAVING SIZE WITHIN THE RANGE 4 TO 20 MESH DOWNWARDLY AS A COMPACT MOVING BED THROUGH A CONFINED ZONE, PASSING SAID SOLIDS DOWNWARDLY THROUGH AN UPPER ORIFICE AND VERTICALLY THROUGH AN ENCLOSED ZONE AS A FALLING STREAM OF SILIDS PASSING THROUGH A WELL-DEFINED SUBSTANTIALLY UNOBSTRUCTED PATH DIRECTLY INTO AND VERTICALLY THROUGH A LOWER ORIFICE INTO SAID VESSEL, SAID LOWER ORIFICE HAVING CROSS-SECTIONAL AREA APPROXIMATELY EQUAL TO THE NATURAL CROSS-SECTIONAL AREA OF SAID FALLING STREAM AT THE LEVEL OF SAID LOWER ORIFICE, MAINTAINING THE PRESSURE IN SAID VESSEL ABOVE THE PRESSURE IN SAID ENCLOSED ZONE PASSING A GASIFORM MATERIAL DOWNWARDLY THROUGH SAID ENCLOSED ZONE AND THROUGH SAID LOWER ORIFICE WITH SAID SOLIDS, AND DISCHARGING GASIFORM MATERIAL DOWNWARDLY INTO SAID VESSEL FROM A POSITION ADJACENT TO AND EXTERNAL OF SAID FALLING STREAM OF SOLIDS AS IT EMERGES FROM SAID LOWER ORIFICE.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |