US2834818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of saturated hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1955-12-16
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Granted: 1958-05-13
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Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:40
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2523/00; C07C2523/02; C07C2523/04; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATING CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A FREE ALKALI METAL AND A MINOR PROMOTING AMOUNT OF AN ORGANIC COMPOUND CAPABLE OF REACTING WITH A PORTION OF SAID FREE ALKALI METAL TO FORM A METALLIZED ORGANIC COMPOUND.
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATING CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A FREE ALKALI METAL AND A MINOR PROMOTING AMOUNT OF AN ORGANIC COMPOUND CAPABLE OF REACTING WITH A PORTION OF SAID FREE ALKALI METAL TO FORM A METALLIZED ORGANIC 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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |