US3192278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of methylating and aromatizing cyclohexenes
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-09-19
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Granted: 1965-06-29
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Sam H Hastings
- 👤 Prentiss S Viles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/06; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF METHYLATING AND AROMATIZING WHICH COMPRISES REACTING A CYCLOHEXENE WITH A SYNTHESIS GAS IN THE PRESENCE OF A ZINC OXIDE CATALYST, SAID SYNTHESIS GAS COMPRISING HYDROGEN AND CARBON MONOXIDE IN A MOL RATIO FROM ABOUT 1:1 TO ABOUT 9:1, WHEREBY AN AROMATIC COMPOUND HAVING AT LEAST ONE CARBON ATOM IN EXCESS OF THAT POSSESSED BY THE CYCLOHEXENE FEED STOCK IS OBTAINED.
Claim 2
Independent Claim
63 words
A METHOD OF METHYLATING AND AROMATIZING WHICH COMPRISES REACTING A CYCLOHEXENE WITH A SYNTHESIS GAS IN THE PRESENCE OF A ZINC OXIDE CATALYST, SAID SYNTHESIS GAS COMPRISING HYDROGEN AND CARBON MONOXIDE IN A MOL RATIO FROM ABOUT 1:1 TO ABOUT 9:1, WHEREBY AN AROMATIC COMPOUND HAVING AT LEAST ONE CARBON ATOM IN EXCESS OF THAT POSSESSED BY THE CYCLOHEXENE FEED STOCK IS OBTAINED.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |