US2861959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Promoted hydroforming catalyst
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-05-03
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Granted: 1958-11-25
•
Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 John P Thorn
- 👤 Walter R F Guyer
- 👤 Arundale Erving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A CATALYST FOR HYDROCARBON CONVERSION PROCESSES WHICH CONSISTS ESSENTIALLY OF 0.1 TO 1% BY WEIGHT OF METALLIC PLATINUM FINELY DISPERSED ON AN ALUMINA CARRIER, PROMOTED BY THE ADDITION OF LESS THAN 0.5% BY WEIGHT OF MOYBYLIC OXIDE SAID AMOUNT OF MOLYBDIC OXIDE BEING BELOW THE MINIMUM AT WHICH THE OXIDE ITSELF FORMS AN EFFECTIVE CONVERSION CATALYST WITH SAID ALUMINA IN THE ABSENCE OF SAID PLATINUM.
Claim 2
Dependent Claim
65 words
A CATALYST FOR HYDROCARBON CONVERSION PROCESSES WHICH CONSISTS ESSENTIALLY OF 0.1 TO 1% BY WEIGHT OF METALLIC PLATINUM FINELY DISPERSED ON AN ALUMINA CARRIER, PROMOTED BY THE ADDITION OF LESS THAN 0.5% BY WEIGHT OF MOYBYLIC OXIDE SAID AMOUNT OF MOLYBDIC OXIDE BEING BELOW THE MINIMUM AT WHICH THE OXIDE ITSELF FORMS AN EFFECTIVE CONVERSION CATALYST WITH SAID ALUMINA IN THE ABSENCE OF SAID PLATINUM.
References Cited (Backward Citations)
US2288336A
Cited
GB577008A
Cited
US2317683A
Cited
US2472844A
Cited
US2441297A
Cited
US2479110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |