US3201355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactivation of noble metal catalysts with anhydrous gaseous halogens
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-10-05
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Granted: 1965-08-17
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Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
- 👤 Elroy M Gladrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:56
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96; Y; Y10; Y10S; Y10S502/00; Y10S502/50; Y10S502/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
METHOD OF REACTIVATING A PLATINUM-CONTAINING CATALYST WHICH HAS BECOME DEACTIVATED IN A PROCESS FOR CONVERTING HYDROCARBONS WHICH COMPRISES CONTACTING THE DEACIVATED PLATINUM-CONTAINING CATALYST WITH GASEOUS NITROSYL CHLORIDE.
Claim 2
Dependent Claim
27 words
METHOD OF REACTIVATING A PLATINUM-CONTAINING CATALYST WHICH HAS BECOME DEACTIVATED IN A PROCESS FOR CONVERTING HYDROCARBONS WHICH COMPRISES CONTACTING THE DEACIVATED PLATINUM-CONTAINING CATALYST WITH GASEOUS NITROSYL CHLORIDE.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |