Patent US3240718A successfully refreshed from Google Patents.
US3240718A
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Regeneration and recovery of catalyst from sludge
Assignee: Universal Oil Products Co
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Filing: 1963-11-13
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Granted: 1966-03-15
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 John G Gatsis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:23
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/20; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/40; B01J31/4015; C; C10; C10G; C10G45/00; C10G45/02; C10G45/14; C10G45/16; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J23/24; B01J23/28; B01J23/30; B01J2531/00; B01J2531/50; B01J2531/56; B01J2531/60; B01J2531/64; B01J2531/66; Y; Y10; Y10S; Y10S502/00; Y10S502/515; Y10S502/516; Y10S502/517
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN THE PROCESS FOR THE REGENERATION AND RECOVERY OF A CATALYST DEGRADATION PRODUCT FROM SLUDGE CONTAINING THE SAME OBTAINED FROM THE HYDROFINING OF A PETROLEUM CRUDE WITH A DECOMPOSED ORGAN-METALLIC CATALYST, THE STEPS OF SEPARATING LIQUID HYDROFINING PRODUCT FROM THE SLUDGE, EXTRACTING ORGANIC SOLUBLE MATERIAL FROM THE SLUDGE WITH A SOLVENT THEREFOR, OXIDIZING THE REMAINDING PORTION OF SAID SLUDGE IN THE PRESENCE OF WATER, AND RECYCLING THE EXTRACTED ORGANIC SOLUBLE MATERIAL AND THE OXIDIZED PORTION OF THE SLUDGE TO UNTREATED CHARGE STOCK.
Claim 2
Dependent Claim
82 words
IN THE PROCESS FOR THE REGENERATION AND RECOVERY OF A CATALYST DEGRADATION PRODUCT FROM SLUDGE CONTAINING THE SAME OBTAINED FROM THE HYDROFINING OF A PETROLEUM CRUDE WITH A DECOMPOSED ORGAN-METALLIC CATALYST, THE STEPS OF SEPARATING LIQUID HYDROFINING PRODUCT FROM THE SLUDGE, EXTRACTING ORGANIC SOLUBLE MATERIAL FROM THE SLUDGE WITH A SOLVENT THEREFOR, OXIDIZING THE REMAINDING PORTION OF SAID SLUDGE IN THE PRESENCE OF WATER, AND RECYCLING THE EXTRACTED ORGANIC SOLUBLE MATERIAL AND THE OXIDIZED PORTION OF THE SLUDGE TO UNTREATED CHARGE STOCK.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |