US2644800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped catalyst for packed catalytic reactor
Assignee: Standard Oil Development Co
•
Filing: 1949-06-01
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Granted: 1953-07-07
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Expires: 1969-06-01
Abstract
No abstract record available.
Inventors
- 👤 Henry O Mottern
- 👤 Wesley N Philo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/50; B01J35/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A SHAPED CATALYST MATERIAL, ADAPTED FOR EMPOLYMENT AS PACKING IN A PACKED CATALYTIC REACTOR, COMPRISING A METAL SUPPORT ELEMENT UP TO ABOUT 3 INCHES IN LENGTH HAVING AN ELONGATED GENERALLY CYLINDRICAL BODY PORTION HAVING AN OUTSIDE DIAMETER OF 1/2 TO 3/4 INCHES AND A PLURALITY OF ANNULAR FLANGES CONCENTRIC WITH SAID BODY PORTION AND DISPOSED IN SPACED RELATION ONE TO ANOTHER LONGITUDINALLY OF SAID BODY PORTION FORMING A PLURALITY OF SPACED ANNULAR POCKETS BETWEEN SAID FLANGES IN WHICH SAID FLANGES HAVE A WIDTH SUBSTANTIALLY EQUAL FROM ABOUT 1/3 TO 2/3 THE DIAMETER OF SAID SUPPORT ELEMENT, AND A SOLID CATALYST MATERIAL DEPOSITED ON SAID ELEMENT COMPLETELY FILLING SAID ANNULAR POCKETS AND FORMING ON SAID ELEMENT A CATALYST SURFACE COATING.
Claim 2
Dependent Claim
119 words
A SHAPED CATALYST MATERIAL, ADAPTED FOR EMPOLYMENT AS PACKING IN A PACKED CATALYTIC REACTOR, COMPRISING A METAL SUPPORT ELEMENT UP TO ABOUT 3 INCHES IN LENGTH HAVING AN ELONGATED GENERALLY CYLINDRICAL BODY PORTION HAVING AN OUTSIDE DIAMETER OF 1/2 TO 3/4 INCHES AND A PLURALITY OF ANNULAR FLANGES CONCENTRIC WITH SAID BODY PORTION AND DISPOSED IN SPACED RELATION ONE TO ANOTHER LONGITUDINALLY OF SAID BODY PORTION FORMING A PLURALITY OF SPACED ANNULAR POCKETS BETWEEN SAID FLANGES IN WHICH SAID FLANGES HAVE A WIDTH SUBSTANTIALLY EQUAL FROM ABOUT 1/3 TO 2/3 THE DIAMETER OF SAID SUPPORT ELEMENT, AND A SOLID CATALYST MATERIAL DEPOSITED ON SAID ELEMENT COMPLETELY FILLING SAID ANNULAR POCKETS AND FORMING ON SAID ELEMENT A CATALYST SURFACE COATING.
References Cited (Backward Citations)
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Cited
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Cited
US2128457A
Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |