US2925447A
Expired / Lapsed
US
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Alkylation of saturated hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1957-12-30
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Granted: 1960-02-16
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Appell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:14
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; B; B01; B01J; B01J27/00; B01J27/06; C07C2521/00; C07C2521/02; C07C2523/00; C07C2523/14; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/75; C07C2523/755; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/125; C07C2527/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A MIXTURE OF A FRIEDEL-CRAFTS METAL HALIDE AND ALUMINUM PLATED WITH A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, AND TIN.
Claim 2
Dependent Claim
48 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A MIXTURE OF A FRIEDEL-CRAFTS METAL HALIDE AND ALUMINUM PLATED WITH A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL, AND TIN.
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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |