US3293315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process and catalyst therefor
Assignee: Universal Oil Products Co
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Filing: 1964-01-24
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Granted: 1966-12-20
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 William G Nixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:24
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/70; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; C07C2527/00; C07C2527/02; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE ALKALATION OF AN ALKYLTABLE AROMATIC HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A SUBSTANTIALLY ANHYDROUS CATALYST COMPRISING A PHOSPHORIC ACID-CONTAINING COMPOSITE IN WHICH THE PHOSPHORIC ACID PORTION IS CHEMICALLY COMBINED WITH AN OXIDE OF SULFUR.
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE ALKALATION OF AN ALKYLTABLE AROMATIC HYDROCARBON WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A SUBSTANTIALLY ANHYDROUS CATALYST COMPRISING A PHOSPHORIC ACID-CONTAINING COMPOSITE IN WHICH THE PHOSPHORIC ACID PORTION IS CHEMICALLY COMBINED WITH AN OXIDE OF SULFUR.
References Cited (Backward Citations)
US2843640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |