US3230179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of a platinum catalyst by oxidation and treatment with a hydrogen containing gas
Assignee: Pullman Inc
•
Filing: 1963-01-28
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Granted: 1966-01-18
•
Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Schwarzenbek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:20
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/22; B; B01; B01J; B01J23/00; B01J23/90; B01J23/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS WHICH COMPRISES CONTACTING A PLATINUM CATALYST CONTAINING OXYGEN WITH A FREE HYDROGEN CONTAINING GAS IN A ZONE MAINTAINED AT A HYDROGEN PARTIAL PRESSURE OF ABOUT 0.05 TO 1.0 P.S.I.A. AND AT AN ELEVATED TEMPERATURE OF AT LEAST ABOUT 400*F.
Claim 2
Dependent Claim
41 words
A PROCESS WHICH COMPRISES CONTACTING A PLATINUM CATALYST CONTAINING OXYGEN WITH A FREE HYDROGEN CONTAINING GAS IN A ZONE MAINTAINED AT A HYDROGEN PARTIAL PRESSURE OF ABOUT 0.05 TO 1.0 P.S.I.A. AND AT AN ELEVATED TEMPERATURE OF AT LEAST ABOUT 400*F.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |