Patent US2993074A successfully refreshed from Google Patents.
US2993074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of phenols by decomposition of aralkyl hydroperoxides
Assignee: Hooker Chemical Corp
•
Filing: 1958-02-10
•
Granted: 1961-07-18
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:27
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/08; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE PROCESS FOR THE PRODUCTION OF A PHENOL AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF KETONES AND ALDEHYDES WHICH COMPRISES DECOMPOSING THE PEROXIDATION PRODUCT OF A HYDROCARBON HAVING THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
33 words
THE PROCESS FOR THE PRODUCTION OF A PHENOL AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF KETONES AND ALDEHYDES WHICH COMPRISES DECOMPOSING THE PEROXIDATION PRODUCT OF A HYDROCARBON HAVING THE GENERAL STRUCTURE:
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |