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Patent US3336410A successfully refreshed from Google Patents.
US3336410A
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Alkylation process and catalyst therefor
Assignee: Universal Oil Products Co
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Filing: 1964-11-13
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Granted: 1967-08-15
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
- 👤 William G Nixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:29
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/70; C07C2521/00; C07C2521/02; C07C2521/04; C07C2527/00; C07C2527/02; C07C2527/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A SUBSTANTIALLY ANHYDROUS HALOGEN-CONTAINING CATALYST PREPARED BY COMBINING A REFRACTORY INORGANIC OXIDE WITH A HALOSULFONIC ACID TO EFFECT CHEMICAL COMBINATION OF SAID REFRACTORY INORGANIC OXIDE WITH SAID HALOSULFONIC ACID.
Claim 2
Dependent Claim
50 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND WITH AN OLEFIN-ACTING COMPOUND AT ALKYLATION CONDITIONS IN THE PRESENCE OF A SUBSTANTIALLY ANHYDROUS HALOGEN-CONTAINING CATALYST PREPARED BY COMBINING A REFRACTORY INORGANIC OXIDE WITH A HALOSULFONIC ACID TO EFFECT CHEMICAL COMBINATION OF SAID REFRACTORY INORGANIC OXIDE WITH SAID HALOSULFONIC ACID.
References Cited (Backward Citations)
US3248444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |