Patent US2991319A successfully refreshed from Google Patents.
US2991319A
Expired / Lapsed
US
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Conversion of organic oxygen compounds to aromatics
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-04-07
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Granted: 1961-07-04
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:35
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/28; C07C2529/00; C07C2529/04; C07C2529/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR CONVERTING ORGANIC OXYGEN COMPOUNDS TO AROMATIC COMPOUNDS WHICH COMPRISES CONTACTING AN ORGANIC OXYGEN COMPOUND HAVING A HETEROCYCLIC RING CONTAINING 3 TO 4 MEMBERS IN WHICH OXYGEN IS THE HEREO ATOM WITH A CATALYST CONTAINING A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, CRYSTALLINE ALUMINOSILICATES, SILICA AND MIXTURES THEREOF AT TEMPERATURES ABOVE 250*F.
Claim 2
Dependent Claim
56 words
A PROCESS FOR CONVERTING ORGANIC OXYGEN COMPOUNDS TO AROMATIC COMPOUNDS WHICH COMPRISES CONTACTING AN ORGANIC OXYGEN COMPOUND HAVING A HETEROCYCLIC RING CONTAINING 3 TO 4 MEMBERS IN WHICH OXYGEN IS THE HEREO ATOM WITH A CATALYST CONTAINING A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, CRYSTALLINE ALUMINOSILICATES, SILICA AND MIXTURES THEREOF AT TEMPERATURES ABOVE 250*F.
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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |