Patent US3247128A successfully refreshed from Google Patents.
US3247128A
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Regeneration of catalysts
Assignee: BP PLC
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Filing: 1962-09-18
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Granted: 1966-04-19
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 White Peter Thomas
- 👤 O'may Thomas Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:58
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13; B01J21/00; B01J21/20; B01J23/00; B01J23/90; B01J23/96; B01J27/28; B01J27/32; B01J37/00; B01J37/22; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A METHOD OF REGENERATING A CATALYST WHICH HAS BEEN PREPARED BY REACTING A HALOGENATABLE REFRACTORY INORGANIC OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA, TITANIA, BERYLLIA, BORIA, ZIRCONIA AND MAGNESIA WITH A COMPOUND OF GENERAL FORMULA
Claim 2
Independent Claim
37 words
A METHOD OF REGENERATING A CATALYST WHICH HAS BEEN PREPARED BY REACTING A HALOGENATABLE REFRACTORY INORGANIC OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA, TITANIA, BERYLLIA, BORIA, ZIRCONIA AND MAGNESIA WITH A COMPOUND OF GENERAL FORMULA
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |