US2997433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of tertiary butylated aromatic compounds
Assignee: Standard Oil Co
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Filing: 1959-03-24
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Granted: 1961-08-22
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Nevitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; C; C07; C07C; C07C2/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR PREPARING A TERTIARY-BUTYLATED AROMATIC COMPOUND WHICH COMPRISES REACTING AN AROMATIC REACTANT TO BE TERTIARY-BUTYLATED WITH A NEOPENTANE WHILE BOTH SAID AROMATIC REACTANT AND SAID NEOPENTANE ARE IN THE VAPOR PHASE IN THE PRESENCE OF A SUFFICIENT DOSAGE BETWEEN ABOUT 10**4 AND 10**10 REP OF HIGH ENERGY IONIZING RADIATION TO EFFECT SUBSTANTIAL CONVERSION OF THE AROMATIC REACTANT TO THE TERTIARY-BUTYLATED AROMATIC PRODUCT AND RECOVERING A TERTIARY BUTYLATED AROMATIC PRODUCT.
Claim 2
Dependent Claim
71 words
A PROCESS FOR PREPARING A TERTIARY-BUTYLATED AROMATIC COMPOUND WHICH COMPRISES REACTING AN AROMATIC REACTANT TO BE TERTIARY-BUTYLATED WITH A NEOPENTANE WHILE BOTH SAID AROMATIC REACTANT AND SAID NEOPENTANE ARE IN THE VAPOR PHASE IN THE PRESENCE OF A SUFFICIENT DOSAGE BETWEEN ABOUT 10**4 AND 10**10 REP OF HIGH ENERGY IONIZING RADIATION TO EFFECT SUBSTANTIAL CONVERSION OF THE AROMATIC REACTANT TO THE TERTIARY-BUTYLATED AROMATIC PRODUCT AND RECOVERING A TERTIARY BUTYLATED AROMATIC PRODUCT.
References Cited (Backward Citations)
FR1148720A
Cited
US2872396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |