US2838524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidation process
Assignee: EIDP Inc
•
Filing: 1955-09-20
•
Granted: 1958-06-10
•
Expires: 1975-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ii Joseph D C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:29
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/04; C07D301/00; C07D301/02; C07D301/03; C07D301/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
THE PROCESS FOR THE EPOXIDATION OF A MONTERMINAL ALIPHATIC DOUBLE BOND OF A HYDROCARBON COMPOUND CONTAINING THE SAME WHICH COMPRISES PREPARING A REACTION MASS BY ADDING A PERALKANOIC ACID CONTAINING NOT TO EXCEED FOUR CARBON ATOMS TO A COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
43 words
THE PROCESS FOR THE EPOXIDATION OF A MONTERMINAL ALIPHATIC DOUBLE BOND OF A HYDROCARBON COMPOUND CONTAINING THE SAME WHICH COMPRISES PREPARING A REACTION MASS BY ADDING A PERALKANOIC ACID CONTAINING NOT TO EXCEED FOUR CARBON ATOMS TO A COMPOUND REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
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US2692271A
Cited
US2687406A
Cited
US2730531A
Cited
US2776301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |