US2950332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of ketones to aromatics
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-11-26
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Granted: 1960-08-23
•
Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:32
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/207; C07C1/2072; C07C1/2074; C07C2529/00; C07C2529/04; C07C2529/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS FOR THE PREPARATION OF POLYALYKYLATED AROMATIC COMPOUND WHICH COMPRISES REACTING A KETONE HAVING A FORMULA
Claim 2
Dependent Claim
17 words
A PROCESS FOR THE PREPARATION OF POLYALYKYLATED AROMATIC COMPOUND WHICH COMPRISES REACTING A KETONE HAVING A FORMULA
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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |