US2519099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyl-aromatic compounds
Assignee: Phillips Petroleum Co
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Filing: 1947-11-28
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Granted: 1950-08-15
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Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Grant C Bailey
- 👤 James A Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR PRODUCING AN ALKYL-AROMATIC HYDROCARBON COMPOUND IN A SINGLE STEP COMPRISING CONTACTING A POLYMERIZABLE ALIPHATIC OLEFIN HYDROCARBON AND A MONONUCLEAR ALKYLATABLE AROMATIC HYDROCARBON IN THE PRESENCE OF A CATALYST COMPRISING NICKEL-OXIDE AND SILICA-ALUMINA UNDER POLYMERIZATION AND ALKYATION REACTION CONDITIONS OF TEMPERATURE AND PRESSURE SUCH THAT AN ALKYL-AROMATIC HYDROCARBON IS PRODUCED IN WHICH THE ALKYL RADICAL HAS A GREATER NUMBER OF CARBON ATOMS THAN SAID ALIPHATIC OLEFIN HYDROCARBON.
Claim 2
Dependent Claim
69 words
A PROCESS FOR PRODUCING AN ALKYL-AROMATIC HYDROCARBON COMPOUND IN A SINGLE STEP COMPRISING CONTACTING A POLYMERIZABLE ALIPHATIC OLEFIN HYDROCARBON AND A MONONUCLEAR ALKYLATABLE AROMATIC HYDROCARBON IN THE PRESENCE OF A CATALYST COMPRISING NICKEL-OXIDE AND SILICA-ALUMINA UNDER POLYMERIZATION AND ALKYATION REACTION CONDITIONS OF TEMPERATURE AND PRESSURE SUCH THAT AN ALKYL-AROMATIC HYDROCARBON IS PRODUCED IN WHICH THE ALKYL RADICAL HAS A GREATER NUMBER OF CARBON ATOMS THAN SAID ALIPHATIC OLEFIN HYDROCARBON.
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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |