US2964480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of platinum metalcontaining catalyst
Assignee: ExxonMobil Oil Corp
•
Filing: 1958-05-29
•
Granted: 1960-12-13
•
Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Albert B Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:39
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J37/00; B01J37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A METHOD OF MANUFACTURING A CATALYST WHICH COMPRISES BRINGING AN INORGANIC REFRACTORY OXIDE SUPPORT INTO CONTACT WITH AN AQUEOUS SOLUTION OF A PLATINUM COMPOUND AND A NON-IONIC, NON-BASIC, SULFUR-CONTAINING COMPOUND CHARACTERIZED BY THE FORMULA:
Claim 2
Independent Claim
34 words
A METHOD OF MANUFACTURING A CATALYST WHICH COMPRISES BRINGING AN INORGANIC REFRACTORY OXIDE SUPPORT INTO CONTACT WITH AN AQUEOUS SOLUTION OF A PLATINUM COMPOUND AND A NON-IONIC, NON-BASIC, SULFUR-CONTAINING COMPOUND CHARACTERIZED BY THE FORMULA:
References Cited (Backward Citations)
US2623860A
Cited
US2659701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |