US2903490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of saturated hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1957-03-14
•
Granted: 1959-09-08
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Appell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:44
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; B; B01; B01J; B01J27/00; B01J27/06; C07C2521/00; C07C2521/02; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755; C07C2525/00; C07C2525/02; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/125; C07C2527/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A PHYSICAL MIXTURE OF A FRIEDELCRAFTS METAL HALIDE AND A RANEY NICKEL ALLOY.
Claim 2
Dependent Claim
37 words
AN ALKYLATION PROCESS WHICH COMPRISES CONTACTING AN ALKYLATABLE SATURATED HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING A PHYSICAL MIXTURE OF A FRIEDELCRAFTS METAL HALIDE AND A RANEY NICKEL ALLOY.
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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |