US2549844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation catalyst
Assignee: Standard Oil Development Co
•
Filing: 1948-08-23
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Granted: 1951-04-24
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Expires: 1968-08-23
Abstract
No abstract record available.
Inventors
- 👤 Henry O Mottern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:40
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/06; B01J21/00; B01J23/02; B01J23/04; B01J23/10; B01J23/70; B01J23/74; B01J23/75; B01J23/76; B01J35/00; B01J35/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A DEHYDROGENATION CATALYST CONISISTING ESSENTIALLY OF A MIXTURE OF COMPONENT A SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MAGNESIUM OXIDE AND BERYLLIUM OXIDE, 1 TO 15% OF COMPONENT B SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM OXIDE, CERIUM OXIDE, AND THORIUM OXIDE BASED ON THE TOTAL WEIGHT OF THE MIXTURE, AND 6 TO 10% OF AT LEAST ONE COMPONENT C SELECTED FROM THE GROUP CONSISTING OF SILICON OXIDE, IRON OXIDE AND ALUMINUM OXIDE BASED ON THE WEIGHT OF COMPONENT B.
Claim 2
Dependent Claim
81 words
A DEHYDROGENATION CATALYST CONISISTING ESSENTIALLY OF A MIXTURE OF COMPONENT A SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MAGNESIUM OXIDE AND BERYLLIUM OXIDE, 1 TO 15% OF COMPONENT B SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM OXIDE, CERIUM OXIDE, AND THORIUM OXIDE BASED ON THE TOTAL WEIGHT OF THE MIXTURE, AND 6 TO 10% OF AT LEAST ONE COMPONENT C SELECTED FROM THE GROUP CONSISTING OF SILICON OXIDE, IRON OXIDE AND ALUMINUM OXIDE BASED ON THE WEIGHT OF COMPONENT B.
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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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |