US2930763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion catalyst
Assignee: Universal Oil Products Co
•
Filing: 1956-03-05
•
Granted: 1960-03-29
•
Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:13
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, FORM ABOUT 0.01% TO ABOUT 1% BY WEIGHT OF PLATINUM, FROM ABOUT 0.01% TO ABOUT 1% BY WEIGHT OF COMBINED HALOGEN, AND FROM ABOUT 0.01% TO ABOUT 1% BY WEIGHT OF AN ALKALI METAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |