US2742516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of hydrocarbons
Assignee: Sunoco Inc
•
Filing: 1953-09-22
•
Granted: 1956-04-17
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
PROCESS OF ALKYLATION WHICH COMPRISES REACTING A MONONUCLEAR AROMATIC HYDROCARBON HAVING FROM 0 TO 4 METHYL GROUPS ATTACHED TO THE AROMATIC NUCLEUS WITH A MONOALKYL BENZENE HAVING THE FORMULA
Claim 2
Dependent Claim
29 words
PROCESS OF ALKYLATION WHICH COMPRISES REACTING A MONONUCLEAR AROMATIC HYDROCARBON HAVING FROM 0 TO 4 METHYL GROUPS ATTACHED TO THE AROMATIC NUCLEUS WITH A MONOALKYL BENZENE HAVING THE FORMULA
References Cited (Backward Citations)
US2671815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |