US2882325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of aromatic compounds
Assignee: Universal Oil Products Co
•
Filing: 1957-12-26
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Granted: 1959-04-14
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 John P Luvisi
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:29
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C07C2521/00; C07C2521/06; C07C2523/00; C07C2523/16; C07C2523/20; C07C2523/22; C07C2523/24; C07C2523/28; C07C2523/30; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C07C2527/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR THE NUCLEAR ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND CONTAINING A REPLACEABLE HYDROGEN ATOM WHICH COMPRISES TREATING AN ALKYLATABLE AROMATIC COMPOUND WITH A MIXTURE OF A FRIEDEL-CRAFTS METAL HALIDE AND AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUPS VB AND VIB OF THE PERIODIC TABLE, THEREAFTER REACTING THE RESULTANT MIXTURE WITH AN ALKYLATING AGENT AT ALKYLATING CONDITIONS, AND RECOVERING THE RESULTANT ALKYLATED AROMATIC COMPOUND.
Claim 2
Dependent Claim
70 words
A PROCESS FOR THE NUCLEAR ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND CONTAINING A REPLACEABLE HYDROGEN ATOM WHICH COMPRISES TREATING AN ALKYLATABLE AROMATIC COMPOUND WITH A MIXTURE OF A FRIEDEL-CRAFTS METAL HALIDE AND AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUPS VB AND VIB OF THE PERIODIC TABLE, THEREAFTER REACTING THE RESULTANT MIXTURE WITH AN ALKYLATING AGENT AT ALKYLATING CONDITIONS, AND RECOVERING THE RESULTANT ALKYLATED AROMATIC COMPOUND.
References Cited (Backward Citations)
US2384295A
Cited
US2423045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |