Patent US2947623A successfully refreshed from Google Patents.
US2965583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic structure
Assignee: Oxy Catalyst Inc
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Filing: 1957-10-14
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Granted: 1960-12-20
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
- 👤 Wilfred M Adey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:12
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/406; G01N27/407; G01N27/4075; B; B01; B01J; B01J37/00; B01J37/02; B01J37/024
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
A CATALYTIC STRUCTURE COMPRISING A SUPPORT OF A MATERIAL WHICH IS ESSENTIALLY DEVOID OF SURFACE POROSITY AND IS A MEMBER SELECTED FROM THE GROUP CONSITING OF METAL AND GLASS, PROVIDED WITH A THIN, ADHERENT, SUPERFICIAL FILM COMPRISED OF A MIXTURE OF CATALYTIC ALUMINA WITH ANOTHER OXIDE SELECTED FROM THE GROUP CONSISTING OF CATALYTIC BERYLLIA AND CATALYTIC ZIRCONIA, THE MOLE RATIO OF THE CATALYTIC ALUMINA TO SAID OTHER OXIDE BEING IN THE RANGE OF FROM 1:10 TO 10:1.
Claim 2
Dependent Claim
77 words
A CATALYTIC STRUCTURE COMPRISING A SUPPORT OF A MATERIAL WHICH IS ESSENTIALLY DEVOID OF SURFACE POROSITY AND IS A MEMBER SELECTED FROM THE GROUP CONSITING OF METAL AND GLASS, PROVIDED WITH A THIN, ADHERENT, SUPERFICIAL FILM COMPRISED OF A MIXTURE OF CATALYTIC ALUMINA WITH ANOTHER OXIDE SELECTED FROM THE GROUP CONSISTING OF CATALYTIC BERYLLIA AND CATALYTIC ZIRCONIA, THE MOLE RATIO OF THE CATALYTIC ALUMINA TO SAID OTHER OXIDE BEING IN THE RANGE OF FROM 1:10 TO 10:1.
Claim 3
Dependent Claim
112 words
A CATALYTIC STRUCTURE ADAPTED FOR PROMOTING OXIDATION REACTION COMPRISING A SUPPORT OF A MATERIAL WHICH IS ESSENTIALLY DEVOID OF SURFACE POROSITY AND IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF METAL AND GLASS PROVIDED WITH A THIN, ADHERENT, SUPERFICIAL FILM COMPRISED OF A MIXTURE OF CATALYTIC ALUMINA WITH ANOTHER OXIDE SELECTED FROM THE GROUP CONSISTING OF CATALYTIC BERYLLIA AND CATALYTIC ZIRCONIA, THE MOLE RATIO OF OF THE CATALYTIC ALUMINA TO SAID OTHER OXIDE BEING IN THE RANGE OF FROM 1:10 TO 10:1 AND SAID FILM BEING IMPREGNATED WITH A FINELY DIVIDED CATALYTICALLY ACTIVE METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM, RUTHENIUM, PALLADIUM, SILVER, CHROMIUM, COPPER, NICKEL, COBALT AND MIXTURES THEREOF
Claim 4
Dependent Claim
112 words
A CATALYTIC STRUCTURE ADAPTED FOR PROMOTING OXIDATION REACTION COMPRISING A SUPPORT OF A MATERIAL WHICH IS ESSENTIALLY DEVOID OF SURFACE POROSITY AND IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF METAL AND GLASS PROVIDED WITH A THIN, ADHERENT, SUPERFICIAL FILM COMPRISED OF A MIXTURE OF CATALYTIC ALUMINA WITH ANOTHER OXIDE SELECTED FROM THE GROUP CONSISTING OF CATALYTIC BERYLLIA AND CATALYTIC ZIRCONIA, THE MOLE RATIO OF OF THE CATALYTIC ALUMINA TO SAID OTHER OXIDE BEING IN THE RANGE OF FROM 1:10 TO 10:1 AND SAID FILM BEING IMPREGNATED WITH A FINELY DIVIDED CATALYTICALLY ACTIVE METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM, RUTHENIUM, PALLADIUM, SILVER, CHROMIUM, COPPER, NICKEL, COBALT AND MIXTURES THEREOF
References Cited (Backward Citations)
US2742437A
Cited
US2580806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |