US2767230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: Standard Oil Co
•
Filing: 1954-03-04
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Granted: 1956-10-16
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Expires: 1974-03-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
- 👤 Willard S Higley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:52
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/861; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C07C2/862; C07C2/864; C07C2527/00; C07C2527/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN AROMATIC COMPOUND HAVING AT LEAST ONE ALKYLATABLE NUCLEAR CARBON ATOM WITH AN OLEFIN-ACTING COMPOUND CONTAINING AT LEAST THREE CARBON ATOMS IN THE ALKYLATING GROUP WITH PF6 UNDER ALKYLATION REACTION CONDITIONS.
Claim 2
Dependent Claim
37 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN AROMATIC COMPOUND HAVING AT LEAST ONE ALKYLATABLE NUCLEAR CARBON ATOM WITH AN OLEFIN-ACTING COMPOUND CONTAINING AT LEAST THREE CARBON ATOMS IN THE ALKYLATING GROUP WITH PF6 UNDER ALKYLATION REACTION CONDITIONS.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |