US3201486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation of alkylatable organic compounds
Assignee: Universal Oil Products Co
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Filing: 1960-12-19
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Granted: 1965-08-17
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Mitchell S Bielawski
- 👤 Julian M Mavity
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:38
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/11; C07C37/14; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/70; C07C2521/00; C07C2521/06; C07C2521/08; C07C2527/00; C07C2527/14; C07C2527/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND CONTAINING A REPLACEABLE HYDROGEN ATOM WHICH COMPRISES CONDENSING THE NUCLEUS OF SAID COMPOUND WITH AN OLEFIN AT A TEMPERATURE IN THE RANGE OF FROM ABOUT ROOM TEMPERATURE TO ABOUT 400*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 100 ATMOSPHERES IN THE PRESENCE OF A CATALYST CONSISTING OF A MIXTURE OF FROM ABOUT 25 TO ABOUT 10% BY WEIGHT OF A SILICEOUS ADSORBENT AND FROM ABOUT 75 TO ABOUT 90% BY WEIGHT OF AN OXYGEN ACID OF PHOSPHORUS HAVING A P2O5 CONTENT OF FROM ABOUT 79 TO ABOUT 85 WEIGHT PERCENT, SAID MIXTURE HAVING BEEN CALCINED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 550* TO ABOUT 900*C., SAID CATALYST BEING CHARACTERIZED BY CONTAINING A MOLE RATIO OF P2O5 TO SIO2 OF FROM ABOUT 1.0 TO ABOUT 3.0, AND RECOVERING THE RESULTANT ALKYLATED AROMATIC COMPOUND.
Claim 2
Dependent Claim
151 words
A PROCESS FOR THE ALKYLATION OF AN ALKYLATABLE AROMATIC COMPOUND CONTAINING A REPLACEABLE HYDROGEN ATOM WHICH COMPRISES CONDENSING THE NUCLEUS OF SAID COMPOUND WITH AN OLEFIN AT A TEMPERATURE IN THE RANGE OF FROM ABOUT ROOM TEMPERATURE TO ABOUT 400*C. AND AT A PRESSURE IN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 100 ATMOSPHERES IN THE PRESENCE OF A CATALYST CONSISTING OF A MIXTURE OF FROM ABOUT 25 TO ABOUT 10% BY WEIGHT OF A SILICEOUS ADSORBENT AND FROM ABOUT 75 TO ABOUT 90% BY WEIGHT OF AN OXYGEN ACID OF PHOSPHORUS HAVING A P2O5 CONTENT OF FROM ABOUT 79 TO ABOUT 85 WEIGHT PERCENT, SAID MIXTURE HAVING BEEN CALCINED AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 550* TO ABOUT 900*C., SAID CATALYST BEING CHARACTERIZED BY CONTAINING A MOLE RATIO OF P2O5 TO SIO2 OF FROM ABOUT 1.0 TO ABOUT 3.0, AND RECOVERING THE RESULTANT ALKYLATED AROMATIC COMPOUND.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |