Patent US2530645A successfully refreshed from Google Patents.
US2530645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst contacting apparatus
Assignee: Universal Oil Products Co
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Filing: 1947-12-30
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Granted: 1950-11-21
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Expires: 1967-12-30
Abstract
No abstract record available.
Inventors
- 👤 Bockman Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:17
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
AN IMPROVED APARATUS FOR CONTACTING AND STRIPPING FINELY DIVIDED SOLID PARTICLES, WHICH COMPRISES IN COMBINATION, AN ENCLOSED VERTICAL CHAMBER, A CONTINUOUS PARTIONING WALL EXTENDING FROM THE BOTTOM OF SAID CHAMBER TO AN INTERMEDIATE POINT THEREIN, SAID WALL FORMING THEREBY A CENTRALLY POSITIONED COLUMNAR STRIPPING SECTION AND AN ANNULAR SHAPED CONTACTING SECTION, VERTICALLY SPACED THIERS OF OPENINGS IN THE UPPER PORTION OF SAID PARTITIONING WALL WITH THE OPENINGS IN EACH TIER SPACED AROUND THE PERIPHERY OF SAID WALL, SWINGING CHECK DOORS HAVING PIVOTED SUPPORTING MEANS AT THE UPPER END THEREOF AND MOUNTED ON THE INSIDE OF SAID OPENINGS IN THE UPPER PORTION OF SAID STRIPPING SECTION, SAID DOORS BEING OPERATIVE TO SWING FREELY INWARD ONLY AND THEREBY PREVENT THE FLOW OF SOLID PARTICLES OUTWARDLY FROMT HE INTERIOR OF SAID STRIPPING SECTION INTO SAID CONTACTING SECTION, INLET MEANS FOR INTRODUCING A FLUIDIZED PARTICLE STREAM TO THE LOWER END OF SAID ANNULAR CONTACTING SECTION WHEREBY TO MAINTAIN A DENSE PHASE PARTICLE BED THEREIN, ADDITONAL INLET MEANS FOR INTRODUCING A
Claim 2
Dependent Claim
166 words
AN IMPROVED APARATUS FOR CONTACTING AND STRIPPING FINELY DIVIDED SOLID PARTICLES, WHICH COMPRISES IN COMBINATION, AN ENCLOSED VERTICAL CHAMBER, A CONTINUOUS PARTIONING WALL EXTENDING FROM THE BOTTOM OF SAID CHAMBER TO AN INTERMEDIATE POINT THEREIN, SAID WALL FORMING THEREBY A CENTRALLY POSITIONED COLUMNAR STRIPPING SECTION AND AN ANNULAR SHAPED CONTACTING SECTION, VERTICALLY SPACED THIERS OF OPENINGS IN THE UPPER PORTION OF SAID PARTITIONING WALL WITH THE OPENINGS IN EACH TIER SPACED AROUND THE PERIPHERY OF SAID WALL, SWINGING CHECK DOORS HAVING PIVOTED SUPPORTING MEANS AT THE UPPER END THEREOF AND MOUNTED ON THE INSIDE OF SAID OPENINGS IN THE UPPER PORTION OF SAID STRIPPING SECTION, SAID DOORS BEING OPERATIVE TO SWING FREELY INWARD ONLY AND THEREBY PREVENT THE FLOW OF SOLID PARTICLES OUTWARDLY FROMT HE INTERIOR OF SAID STRIPPING SECTION INTO SAID CONTACTING SECTION, INLET MEANS FOR INTRODUCING A FLUIDIZED PARTICLE STREAM TO THE LOWER END OF SAID ANNULAR CONTACTING SECTION WHEREBY TO MAINTAIN A DENSE PHASE PARTICLE BED THEREIN, ADDITONAL INLET MEANS FOR INTRODUCING A
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |