US2924629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization process
Assignee: Universal Oil Products Co
•
Filing: 1956-10-19
•
Granted: 1960-02-09
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Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 George R Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/271; C07C5/2718; C07C5/2721; C07C5/2206; C07C5/2226; C07C5/2246; C07C5/2253; C07C7/00; C07C7/005; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/125; C07C2527/126; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON CONTAINING ISOMERIZATION CATALYST DEACTIVATING QUANTITIES OF COMPOUNDS OF OXYGEN, NITROGEN, AND SULFUR WHICH COMPRISES TREATING SAID HYDROCARBON WITH A DRYING AGENT AT TREATING CONDITIONS, AND CONTACTING SAID HYDROCARBON AT ISOMERIZATION CONDITIONS, INCLUDING AN ISOMERIZING TEMPERATURE NOT IN EXCESS OF ABOUT 300*C., WITH A CATALYST PREPARED BY VAPORIZING A FRIEDEL-CRAFTS METAL HALIDE ONTO A COMPOSITE OF A REFRACTORY OXIDE CONTAINING A HYDROGENATION COMPONENT, AND HEATING SAID THUS FORMED COPMPOSITE AT A TEMPERATURE ABOVE ABOUT 300*C. FOR A TIME SUFFICIENT TO REMOVE THEREFROM ANY UNREACTED FRIEDEL-CRAFTS METAL HALIDE.
Claim 2
Dependent Claim
95 words
A PROCESS FOR THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON CONTAINING ISOMERIZATION CATALYST DEACTIVATING QUANTITIES OF COMPOUNDS OF OXYGEN, NITROGEN, AND SULFUR WHICH COMPRISES TREATING SAID HYDROCARBON WITH A DRYING AGENT AT TREATING CONDITIONS, AND CONTACTING SAID HYDROCARBON AT ISOMERIZATION CONDITIONS, INCLUDING AN ISOMERIZING TEMPERATURE NOT IN EXCESS OF ABOUT 300*C., WITH A CATALYST PREPARED BY VAPORIZING A FRIEDEL-CRAFTS METAL HALIDE ONTO A COMPOSITE OF A REFRACTORY OXIDE CONTAINING A HYDROGENATION COMPONENT, AND HEATING SAID THUS FORMED COPMPOSITE AT A TEMPERATURE ABOVE ABOUT 300*C. FOR A TIME SUFFICIENT TO REMOVE THEREFROM ANY UNREACTED FRIEDEL-CRAFTS METAL HALIDE.
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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) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |