Patent US2916532A successfully refreshed from Google Patents.
US2916532A
Expired / Lapsed
US
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Nuclear alkylation of aromatic compounds
Assignee: Universal Oil Products Co
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Filing: 1956-12-28
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Granted: 1959-12-08
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
- 👤 John P Luvisi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:45
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/861; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE NUCLEAR ALKYLATION OF AN AROMATIC COMPOUND WHICH COMPRISES ALKYLATING AN ALKYLATABLE AROMATIC COMPOUND WITH A HALOGENATED ALKYLATING AGENT IN THE PRESENCE OF AN ALKYLATION CATALYST CONSISTING OF AN ALKALI METAL-ALUMINUM HYDRIDE, AND RECOVERING THE RESULTANT NUCLEARLY ALKYLATED AROMATIC COMPOUND.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE NUCLEAR ALKYLATION OF AN AROMATIC COMPOUND WHICH COMPRISES ALKYLATING AN ALKYLATABLE AROMATIC COMPOUND WITH A HALOGENATED ALKYLATING AGENT IN THE PRESENCE OF AN ALKYLATION CATALYST CONSISTING OF AN ALKALI METAL-ALUMINUM HYDRIDE, AND RECOVERING THE RESULTANT NUCLEARLY ALKYLATED AROMATIC COMPOUND.
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |