US2944032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst manufacturing
Assignee: Universal Oil Products Co
•
Filing: 1959-08-07
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Granted: 1960-07-05
•
Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 William G Nixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/00; B01J21/02; B01J27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS FOR MANUFACTURING A CATALYST WHICH COMPRISES TREATING ALUMINA WITH ALUMINUM NITRATE IN A AMOUNT OF FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF THE AFUMINA, IMPREGNATING SAID ALUMINA WITH A PLATINUM COMPOUND TO FROM AN ALUMINA-PLATINUM COMPOSITE, AND TREATING SAID ALUMINA-PLATINUM COMPOSITE WITH A LEAST ONE OXIDE OF NITROGEN SELECTED FROM THE GROUP CONSISTING OF NITRIC OXIDE AND NITROGEN PEROXIDE.
Claim 2
Dependent Claim
63 words
A PROCESS FOR MANUFACTURING A CATALYST WHICH COMPRISES TREATING ALUMINA WITH ALUMINUM NITRATE IN A AMOUNT OF FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF THE AFUMINA, IMPREGNATING SAID ALUMINA WITH A PLATINUM COMPOUND TO FROM AN ALUMINA-PLATINUM COMPOSITE, AND TREATING SAID ALUMINA-PLATINUM COMPOSITE WITH A LEAST ONE OXIDE OF NITROGEN SELECTED FROM THE GROUP CONSISTING OF NITRIC OXIDE AND NITROGEN PEROXIDE.
References Cited (Backward Citations)
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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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |