US2945910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum chloride-hydrocarbon complex sludge catalyst separation
Assignee: Phillips Petroleum Co
•
Filing: 1958-06-09
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Granted: 1960-07-19
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Ivan A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:48
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2786; C07C5/2789
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE RECOVERY OF AN ALUMINUM CHLORIDE-HYDROCARBON COMPLEX SLUDGE CATALYST BY GRAVITY SEPARATION FROM ITS ADMIXTURE WITH LIQUID HYDROCARBONS CONTAINED IN THE EFFLUENT FROM A REACTION ZONE FOR THE ISOMERIZATION OF N-HEXANE TO ISOHEXANES AND WHEREIN THE SLUDGE IS RECYCLED TO THE REACTION ZONE, THE STEP OF AGGLOMERATING SAID SLUDGE CATALYST BY ADMIXING THEREWITH A FINELY DIVIDED BARIUM SULFATE.
Claim 2
Dependent Claim
59 words
IN THE RECOVERY OF AN ALUMINUM CHLORIDE-HYDROCARBON COMPLEX SLUDGE CATALYST BY GRAVITY SEPARATION FROM ITS ADMIXTURE WITH LIQUID HYDROCARBONS CONTAINED IN THE EFFLUENT FROM A REACTION ZONE FOR THE ISOMERIZATION OF N-HEXANE TO ISOHEXANES AND WHEREIN THE SLUDGE IS RECYCLED TO THE REACTION ZONE, THE STEP OF AGGLOMERATING SAID SLUDGE CATALYST BY ADMIXING THEREWITH A FINELY DIVIDED BARIUM SULFATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |